The order of marbles can be Aluminum, Nickel, Silver, and Rhenium.
What is volume?If volume is the amount of three-dimensional space contained by a closed surface, such as the amount of space within a given cube, cylinder, or other three-dimensional shape.
Liquid volume is a way to measure an amount of liquid by describing how much three-dimensional space it occupies.
The mass of something is the amount of stuff it is made of. The volume of an object is the amount of space it usually takes up.
Density provides an easy way to calculate a body's mass from its volume or vice versa.
The mass is equal to the volume multiplied by the density (M = Vd), and the volume is equal to the mass divided by the density (V = M/d).
As per the density given, the volume of aluminum can be 1.11mL, Silver is 0.286mL, Rhenium is 0.144mL, Nickel is 0.337mL.
Thus, the order from largest to smallest will be Aluminum, Nickel, Silver, and Rhenium.
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Suppose you wanted to cause Pb2+ ions to come out of solution as solid Pb. Which metal(s) could you use to accomplish this? Au Zn Ca Ni Ag AlFe
Answer:
Ca, Zn, Ni, Al, Fe
Explanation:
The activity series is an arrangement of metals in order of decreasing reactivity.
Metals that are high up in the activity series are very reactive. They displace metals that are lower in the activity series from an aqueous solution of their salts.
The metals; Ca, Zn, Ni, Al, Fe are all above Pb in the activity series hence they will cause Pb2+ ions to come out of solution as solid Pb.
A more reactive metal displaces the less reactive metals in the solution. Ca, Al, Zn, and Fe can be accomplished to take out the [tex]\bold{ Pb^2^+}[/tex] from the solution as solid Pb.
Metal displacement Reaction:
In this type of reaction a more reactive metal displaces the less reactive metals in the solution.
The metal reactivity series
Ca > Al > Zn > Fe > Ni > Pb > Ag > Au
The lead ( Pb) is less reactive than the Ca, Al, Zn, and Fe.
Therefore, Ca, Al, Zn, and Fe can be accomplished to take out the [tex]\bold{ Pb^2^+}[/tex] from the solution as solid Pb.
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Consider two compounds. Compound A contains 15.7 g of sulfur and 18.6 g of fluorine. Compound B contains 25.4 g of sulfur and 60.2 g of fluorine. For Compound A, the ratio of fluorine to sulfur is 1.18. For Compound B, the ratio of fluorine to sulfur is 2.37. Using the Law of Definite Proportions (also called the Law of Constant Composition), could Compound A and Compound B be the same compound
Answer:
No, compound A and B are not the same compound
Explanation:
According to the law of definite proportion "every chemical compound contains fixed and constant proportions (by mass) of its constituent elements." (Encyclopedia Britannica)
We can see in the question that the ratio of flourine to sulphur in compound A is 1.18 while the ratio of flourine to sulphur in compound B is 2.37.
The two chemical compounds do not contain a fixed proportion by mass of their constituent elements therefore, they can not be same compound according to the law of definite proportions.
A 1.00 L of a solution is prepared by dissolving 125.6 g of NaF in it. What would be the molarity of this solution?
Answer:
2.99 M
Explanation:
In order to solve this problem we need to keep in mind the definition of molarity:
Molarity = moles of solute / liters of solutionIn order to calculate the moles of solute, we convert 125.6 g of NaF into moles using its molar mass:
125.6 g NaF ÷ 42 g/mol = 2.99 mol NaFAs the volume is already given, we can proceed to calculate the molarity:
Molarity = 2.99 mol / 1.00 L = 2.99 MIs anyone good at 10th grade chemistry if so can someone help me please ?
If I have 5 moles of a gas at a pressure of 6.5 atm and a volume of 14 liters, what is the temperature?
PV=nRT
Answer: 190.9K
Explanation:
5.6(14) = 5(.0821)T or (5.6*14)/(5(.0821))
78.4 = 0.4105T
190.9K = T
the generator is connected to a _____, which supplies our _____ with electricity.
Answer:
neutral and current
Explanation:
sorry if im wrong ;(
Which of the following statements correctly explain the relationship between the solubility of a gas and its pressure?
A. As pressure is increased, the rate at which gas molecules enter the solution decreases.
B. More gas molecules are soluble as pressure is increased.
C. The solubility of a gas decreases with a decrease in pressure.
D. The solubility of nitrogen gas at 2.00 atmatm is twice the solubility of the gas at 1.00 atmatm.
E. The concentration of gas particles in the solution is higher at 4.25 atmatm than at 1.00 atmatm.
F. Fewer gas molecules are soluble at higher pressures.
G. As pressure decreases, the concentration of gas molecules in the solution increases.
Answer:
B, C, D, E
Explanation:
According to Henry's law, as the pressure is increased, the solubility of a given gas increases. So, solubility is directly proportional to pressure.
Thus, the following statements are correct:
B. More gas molecules are soluble as pressure is increased.
Is correct because as the pressure is increased, the solubility increases.
C. The solubility of a gas decreases with a decrease in pressure.
Is correct because solubility and pressure are directly proportional: if the pressure is decreased, the solubility will be decreased.
D. The solubility of nitrogen gas at 2.00 atm is twice the solubility of the gas at 1.00 atm.
Is correct because 2.00 atm is twice 1.00 atm, so if the pressure is increased twice, the solubility is increased twice.
E. The concentration of gas particles in the solution is higher at 4.25 atm than at 1.00 atm.
Is correct because 4.25 atm>1.00 atm (the higher the pressure, the higher the solubility, and therefore the concentration of gas particles in solution).
The remaining options (A, G) are incorrect. They contradict Henry's law.
Can you think of an example where hydrogen and oxygen combine and release energy with little or no release of heat energy?
When hydrogen and oxygen combine, they form water or hydrogen peroxide, and energy is released in the process.
What are oxygen and hydrogen?
Oxygen and hydrogen are the chemical elements of the periodic table, and they both are gas. Oxygen is the most important gas, which is needed for breathing. It is present at 21% in the atmosphere.
Hydrogen is another gas present in nature. It is the lightest gas, and it has diatomic molecules. It remains gas at normal pressure and temperature, but it becomes liquid at low temperature.
The oxygen and hydrogen readily react and for water, and hydrogen peroxide, the process of reaction of hydrogen and oxygen releases an amount of energy.
Hence, Energy is released during the creation of water or hydrogen peroxide when hydrogen and oxygen mix.
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HELPPPPPPP PLZZZ
An apple is growing in the top branches of an apple tree. The stem breaks and the apple falls, moving faster and faster until it hits the ground.
Where is the energy to increase the speed of the apple coming from?
Energy is being created as the apple falls
Energy is not related to the speed of an object
The potential energy the apple had due to its height is converted to kinetic energy
The force from the wind that broke the stem is also pushing the apple down
Answer:
The potential energy the apple had due to its height is converted to kinetic energy
Explanation:
When an apple falls from the tree to the ground, its energy of position stored as gravitational potential energy is converted to kinetic energy, the energy of motion, as it falls. When the apple hits the ground, kinetic energy is transformed into heat energy.
Which of the following 0.250 m solutions has the greatest freezing-point depression?
CH2O
CaCl2
KCl
Answer:
CaCl2
Explanation:
Cacl2 would have greatest freezing point depression because in this case the vant Hoff factor is 2
More will be the value of vant Hoff factor more will be the depression in freezing point when concentration of all electrolyte is same
dream holiday in sweden essey
Answer:
Sweden is the largest of the Nordic countries which are Denmark, Finland, Iceland, Norway, and, of course, Sweden. Sweden's three major cities are Stockholm which is the capital of the country, Gothenburg in the western coast, and Malmö down south.
Sweden is said to have more space to enjoy and relax than most other country. It is a place for people who love to be with nature to seek peace of mind to people who lives by adventure. A perfect vacation spot, Sweden boast of peaceful countryside, lakes and forest, a long coastline of islands good for water sports activities such as sailing and perfect Swedish mountains for skiing during winter. Sweden also has a lot to offer culture vultures and tourist with their rich culture. There are cathedrals and old houses and universities to visit, plus, a smorgasbord of food choices to fill the hungry traveler's stomach. The cities have great pubs and clubs for younger travelers who wants to experience nightlife in Sweden. And there are shopping malls and souvenir shops for everyone to enjoy. Other places of interest are Esrange, a racket launching
facility, Gotland, Sweden's largest island and Kebnekaise, the country's highest mountain.
Answer:
Ferries are sea transport in the form of boat or ship that carries passengers, cargo and sometimes vehicles. It is a type of public transportation that has been around for centuries. It is a cheaper way to travel from one point to another, but lately a trip through a ferry is made not only for financial consideration but for leisure as well. Today's ferries or cruise ships are more efficient and mostly built with the passenger's convenience in mind, and some big ones can accommodate hundreds of passengers, baggage and vehicles in one time. Ferries usually operate on frequent return service. Ferry rides are a relaxing way to travel and to see the sights along the way. One of the world's best ferry destinations is Sweden.
Sweden is the largest of the Nordic countries which are Denmark, Finland, Iceland, Norway, and, of course, Sweden. Sweden's three major cities are Stockholm which is the capital of the country, Gothenburg in the western coast, and Malmö down south.
Sweden is said to have more space to enjoy and relax than most other country. It is a place for people who love to be with nature to seek peace of mind to people who lives by adventure. A perfect vacation spot, Sweden boast of peaceful countryside, lakes and forest, a long coastline of islands good for water sports activities such as sailing and perfect Swedish mountains for skiing during winter. Sweden also has a lot to offer culture vultures and tourist with their rich culture. There are cathedrals and old houses and universities to visit, plus, a smorgasbord of food choices to fill the hungry traveler's stomach. The cities have great pubs and clubs for younger travelers who wants to experience nightlife in Sweden. And there are shopping malls and souvenir shops for everyone to enjoy. Other places of interest are Esrange, a racket launching facility, Gotland, Sweden's largest island and Kebnekaise, the country's highest mountain.
There are just so much outdoor and recreational activities in Sweden, and it is also child-friendly that it has become an ideal family vacation destination. Truly, a trip to Sweden is a rejuvenating experience. But the best way to start the Swedish vacation is by riding a ferry to Sweden.
Riding a Ferry to Sweden
Sweden is a country that can be visited through a ferry from different parts of Europe. There are regular ferry rides from Belgium, Denmark, Estonia, Finland, Latvia, Germany, Norway, Poland, Russia, and United Kingdom. It has become very accessible for travelers and tourist to enjoy the natural beauty and distinct cultural heritage of Sweden. There are a number of sea transport companies that carries passengers, cargo and vehicles that offers regular trips to and from Sweden. Some of the popular ones are Stena Lines, Silja Lines, Birka Cruises, Tallink Lines, Viking Lines, Scandlines, and DFDS. There are ports in major cities of Sweden as well as in Varberg, Helsingborg, Trelleborg, Visby, Ystad among others. Travelers and tourist can book their ferry to Sweden trips through their local travel agents, but they can also conveniently book their travels through the internet.
A luxurious ferry to Sweden usually has suites for honeymooners or multi-cabin that is ideal for family or group of friends making a trip via a ferry an enjoyable experience.
Explanation:
hope it's help you
Which of the following wavelength does NOT belong to visible light?
A.
690 nm
B.
900 nm
C.
500 nm
D.
390 nm
Answer:
I think is A 690 nm or c 500 nm
The wavelength that does not belong to visible light is 900 nm. The correct option is B.
What is visible light?Visible light is the electromagnetic spectrum that an eye can see. The wavelength of visual light is 382 700 nanometers. The daylight is the most visible light whose wavelength is 515 NM and whose color is green and yellow. The infrared, the range of spectrums of visible light, falls between infrared and ultraviolet light.
Wavelength is the distance of 1 wave to another wave full stop as light moves in the form of waves, that difference between one crust to another crust is called the wavelength of the light.
As the wavelength of visible light is 382 700 NM option b 900 NM will be will not fall under the spectrum of visible light.
Thus, the correct option is B. 900 nm.
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Consider the reaction between an alcohol and tosyl chloride, followed by a nucleophile. Write the condensed formula of the expected main organic product.
Answer:
RCl
Explanation:
Here, let us take ROH to represent the formula of our alcohol where R is the alkyl group.
The reaction of ROH with tosyl chloride yields an ester called a tosylate. It is the O-H bond not the C-O bond that is cleaved when the tosylate is formed.
Tosylates are good leaving groups, attack of a nucleophile such as Cl^- completes the mechanism leading to the formation of RCl.
What is the volume of 3.5 moles of carbon dioxide (CO2) gas at STP?
0 6.40 |
0.16 L
0 78.4 L
Cannot be determined from the information given
Answer:
78.4
Explanation:
what is the molar mass of Disodium sulfide nonahydrate
(Compound)
I'm confused about the number of moles per element
Answer:
240 g/mol
Explanation:
We'll begin by writing the chemical formula of Disodium sulfide nonahydrate. This is illustrated below:
The molecular formula of disodium sulfide nonahydrate is Na₂S.9H₂O
Finally, we shall determine the molar mass of disodium sulfide nonahydrate, Na₂S.9H₂O. This can be obtained by adding the individual molar mass of the element present in the compound as illustrated below:
Molar mass of Na₂S.9H₂O = (23×2) + 32 + 9[(2×1) + 16]
= 46 + 32 + 9[2 + 16]
= 46 + 32 + 9[18]
= 46 + 32 + 162
= 240 g/mol
Thus, the molar mass of disodium sulfide nonahydrate, Na₂S.9H₂O is 240 g/mol
Draw the products formed from 2-methyl-1-pentene by sequences (1.) and (2.).
1. hydroboration followed by oxidation with alkaline hydrogen peroxide.
2. acid-catalyzed hydration.
Answer:
See explanation and image attached
Explanation:
The mechanism for both the hydroboration of 2-methyl-1-pentene and acid-catalyzed hydration are shown i the image attached to this answer.
The both processes involve addition reaction. Hydroboration is similar to hydration but the orientation of addition is anti - Markovnikov in nature.
The acid-catalyzed hydration of 2-methyl-1-pentene yields a minor product and a major product. The major product is an accordance with Markovnikov rule as shown by the reaction mechanism. The minor product is anti - Markovnikov.
A cough syrup has a density of 1.20 g/mL. A doctor orders 48.0 of the syrup for a sick child. How many teaspoons will you administer to the child
Answer:
because I want to save life
What is the apparent bond energy of a carbon–sulfur bond in cos?
This question is incomplete, the complete question is;
The enthalpy change for the reaction between two molecules of carbon oxysulfide (COS) to form one molecule of CO₂ and one molecule of CS₂, as shown below, is -3.2 x 10⁻²⁴ kJ per molecule of COS.
The bond energy for the C-S bond in C=S has been determined to be 552 kJ/mol.
What is the apparent bond energy of a carbon-sulfur bond in COS?
NOTE: A C=O bond adjacent to another double bond is not the same as a C=O bond that is not adjacent to another double bond.
Answer:
The apparent bond energy of a carbon–sulfur bond is 550.1 kJ/mole
Explanation:
Given the data in the question and the figure 8.122 in the image below;
the given reaction can be written as follows;
2COS -----→ CO₂ + CS₂
Δ[tex]H_{rxn}[/tex] = ∑ Bond Energy ( reactants) - ∑ Bond Energy (products)
= [ (2 × C=O) + (2 × C=S) ] - [ (2 × C=O) + ( 2 × C=S) ]
we know that;
Δ[tex]H_{rxn}[/tex] = -3.2 x 10⁻²⁴ kJ per molecule
= -3.2 x 10⁻²⁴ kJ × 2 × 6.023 × 10²³ kJ/mole
= -3.85 kJ/mole
Hence;
-3.85 kJ/mole = (2 × C=S)[tex]_{reactant}[/tex] - ( 2 × C=S)[tex]_{product}[/tex]
-3.85 kJ/mole = (2 × C=S)[tex]_{reactant}[/tex] - ( 2 × 552 kJ/mole)
(2 × C=S)[tex]_{reactant}[/tex] = -3.85 kJ/mole + 1104 kJ /mole
(2 × C=S)[tex]_{reactant}[/tex] = 1100.15 kJ/mole
2 × ( C=S)[tex]_{reactant}[/tex] = 1100.15 kJ/mole
( C=S)[tex]_{reactant}[/tex] = 1100.15 kJ/mole / 2
( C=S)[tex]_{reactant}[/tex] = 550.1 kJ/mole
Therefore, the apparent bond energy of a carbon–sulfur bond is 550.1 kJ/mole
The apparent bond energy of a carbon-sulfur bond in COS is equal to 550.08 kJ/mol.
Given the following data:
Enthalpy change of reaction = [tex]-3.2 \times 10^{-24}\;kJ/mol.[/tex]Bond energy of C=S = 552 kJ/mol.Scientific data:
Avogadro's number = [tex]6.02 \times 10^{23}[/tex]To determine the apparent bond energy of a carbon-sulfur bond in COS:
First of all, we would write a balanced chemical equation for the chemical reaction as follows:
[tex]2COS \rightarrow CO_2 + CS_2[/tex]
The enthalpy change of two (2) moles of COS is:
[tex]\Delta H_{rxn} = -3.2 \times 10^{-24}\times 2 \times 6.02 \times 10^{23}\\\\\Delta H_{rxn} =-3.85\;kJ/mol.[/tex]
Mathematically, the enthalpy change of a chemical reaction is given by this equation:
[tex]\Delta H_{rxn} = \sum Bond\;Energy_{(reactansts)} - \sum Bond\;Energy_{(products)}\\\\\Delta H_{rxn} = [(2\times C=O)+ (2\times C=S)]- [(2\times C=O)+ (2\times C=S)][/tex]
Substituting the parameters into the equation, we have;
[tex]-3.85 = (2\times C=S)- [2\times 552]\\\\(2\times C=S)=1104-3.85\\\\(2\times C=S)=1100.15\\\\(C=S)=\frac{1100.15}{2} \\\\(C=S)=550.08\;kJ/mol[/tex]
Therefore, the apparent bond energy of a carbon-sulfur bond in COS is equal to 550.08 kJ/mol.
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Complete Question:
The enthalpy change for the reaction between two molecules of carbon oxysulfide (COS) to form one molecule of [tex]CO_2[/tex] and one molecule of [tex]CS_2[/tex], as shown below, is [tex]-3.2 \times 10^{-24}[/tex] kJ per molecule of COS. The bond energy for the C-S bond in C=S has been determined to be 552 kJ/mol. What is the apparent bond energy of a carbon-sulfur bond in COS?
[Note: A C=O bond adjacent to another double bond is not the same as a C=O bond that is not adjacent to another double bond.]
It is the highest point in a wave.
Answer:
Crest is the highest point of a wave
Select the statement that best describes components of complete and incomplete metamorphosis. (2 points)
a. During incomplete metamorphosis, the nymph molts its exoskeleton. During complete metamorphosis, the larva forms a chrysalis or cocoon.
Selected:b. During incomplete metamorphosis, the pupa molts its exoskeleton. During complete metamorphosis, the nymph wraps itself in a chrysalis.This answer is incorrect.
c. Incomplete and complete metamorphosis both have four major stages.
d. Incomplete and complete metamorphosis both have three major stages. btw b was wrong
Answer:
a. During incomplete metamorphosis, the nymph molts its exoskeleton. During complete metamorphosis, the larva forms a chrysalis or cocoon.
Explanation:
The first stage of incomplete metamorphosis is the egg. During this time, the insect will hatch into a form called a nymph. The nymph is basically a small version of the adult insect. This is very similar to how a child looks like his or her parents.
The correct statement that describes components of complete and incomplete metamorphosis is: d. Incomplete and complete metamorphosis both have three major stages.
What is metamorphosis ?Metamorphosis is a biological process that some animals undergo to transform from one developmental stage to another, typically from a juvenile form to an adult form. This process involves a series of physical and physiological changes that can be dramatic and even complete.
Incomplete metamorphosis consists of three stages: egg, nymph, and adult. The nymph hatches from the egg and looks similar to the adult but lacks wings and reproductive organs. The nymph molts its exoskeleton several times and gradually develops into an adult.
Complete metamorphosis also consists of three stages: egg, larva, pupa, and adult. The larva hatches from the egg and looks completely different from the adult, often worm-like in appearance. The larva undergoes a series of molts and grows larger, then forms a pupa or chrysalis. Inside the pupa or chrysalis, the larva undergoes a complete transformation and emerges as an adult.
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Ammonia reacts with oxygen to form nitrogen dioxide and water according to the
following equation:
4NH71875) + 70212) ---> 4NO2/2) + 6H2013)
You react ammonia and oxygen, and at the end of the experiment you find that you
produced 23 g of water and have 8.52 g of ammonia left over. Determine the mass of
oxygen reacted.
17.66 g 02
40.85 g 02
O 47.66 g 02
71.49 g 02
35.02 g 02
B
What volume (mL) of 0.250 M HNO3 is required to titrate (neutralize) a solution containing 0.276 g of KOH?
Answer:
Volume = 19.68 ml
Explanation:
The equation of the reaction is given as;
HNO3 + KOH ---> KNO3 + H2O
1 mol of HNO3 reacts 1 mol of KOH
Converting 0.276 g of KOH to mol;
Number of moles = Mass / Molar mass
Number of moles = 0.276g / 56.1056 g/mol
Number of moles = 0.00492
Since the mole relationship is 1 = 1;
This means 0.00492 mol of HNO3 reacts with 0.00492 mol of KOH
The relationship between molarity and volume id given as;
Molarity = Number of moles / Volume
Volume = Number of moles / Molarity = 0.00492 mol / 0.250 M
Volume = 0.01968 L
Volume = 19.68 ml
when an object kinetic energy changes what happens to the object??
Answer:
2. A 3.C
Explanation:
From what did Oceans form?
Answer:
God
Explanation:
PLEASE HELP PLEASE HELP PLEASE HELP PLEASE HELP PLEASE HELP PLEASE HELP PLEASE HELP PLEASE HELP PLEASE HELP PLEWSE HELP PLEASE HELP ANYBODY!!! CHEMISTRY DUE IN 5 MINUTES!! DIMENSIONAL ANALYSIS
How many moles of O2 are in the sample of 3.6 kilograms of air if 21% of the air is oxygen, O2, by mass?
WILL GIVE BRAINLIEST PLEASE ANYONE WHO KNOWS HOW TO DO MOLE CONVERSIONS AND DIMENSIONAL ANALYSIS
Answer:
23.6 moles
Explanation:
From the question given above, the following data were obtained:
Mass of air = 3.6 Kg
Mass percentage of O₂ = 21%
Number of mole of O₂ =?
Next, we shall convert 3.6 Kg of air to grams (g). This can be obtained as follow:
1 kg = 1000 g
Therefore,
3.6 Kg = 3.6 Kg × 1000 / 1 kg
3.6 Kg = 3600 g
Next, we shall determine the mass of O₂ in the air. This can be obtained as follow:
Mass of air = 3600 g
Mass percentage of O₂ = 21%
Mass of O₂ =?
Mass of O₂ = 21% × 3600
Mass of O₂ = 21/100 × 3600
Mass of O₂ = 756 g
Finally, we shall determine the number of mole of O₂ in the sample of air. This can be obtained as follow:
Mass of O₂ = 756 g
Molar mass of O₂ = 2 × 16 = 32 g/mol
Number of mole of O₂ =?
Mole = mass /Molar mass
Number of mole of O₂ = 756 / 32
Number of mole of O₂ = 23.6 moles
Thus, the number of mole of O₂ in the
sample of air is 23.6 moles
what tranports oxygen into the cells?
Answer:
il got this from goglle
Explanation:
hope it helps
Examine the peptide. Peptide with three amino acid residues. The first residue contains a methyl group side chain. The second residue contains a hydrogen atom side chain. The third residue contains a hydroxymethyl group side chain. The amino group of the first side chain binds to the unshown remainder of the peptide. The carboxyl group of the third side chain binds to the unshown remainder of the peptide. Determine which amino acids are present in the peptide.
Answer:
The peptide is composed of Alanine, Glycine and Serine and is written in shorthand as: Ala-Gly-Ser.
Explanation:
Amino acids contain an α-carboxyl group, an α-amino group, and an R side chain which distinguishes one amino acid from another.
Peptides are chains of amino acids which are covalently bonded together through substituted amide linkages known as peptide bonds. The reaction occurs between an amino group of one amino acid and the carboxyl group of another amino acid with the removal of a water molecule.
A tripeptide is a peptide composed of three amino acids linked together by peptide bonds.
In the given peptide, the first residue contains a methyl group side chain. The second residue contains a hydrogen atom side chain. The third residue contains a hydroxymethyl group side chain.
The amino acid that contains a methyl group side chain is Alanine (Ala).
The amino acid that contains a hydrogen atom side chain is Glycine, Gly.
The amino acid that contains a hydroxymethyl group side chain is Serine, Ser.
Therefore, the peptide is composed of Alanine, Glycine and Serine and is written in shorthand as: Ala-Gly-Ser.
1. What is the frequency of the following:
a. radio waves with wavelength 50 m?
b. gamma-ray with a wavelength of 45 m?
2.What is the wavelength of the following?
a. infrared light with frequency of 3 .5x 10° Hz?
b. ultraviolet light with frequency of 4.0x 10 * Hz
Answer:
its soooooo ezy
Explanation:
82828I 87is 818373773622771829383746171948468328933737373737378364737272828374736367181i3i46738100104848070792761527484930201834728the 8585949476425675666
forms of energy reflection
Answer:
any of these
Explanation:
kinetic energy: kinetic is motion, or released energy
Potential energy: porential energy is the energy of position or stored energy.
Thermal energy: is heat energy, it is stored energy that creats heat.
Please solve this i will mark brainlist
the tense..........used to describe events that have not yet taken place
Answer:
Future tense.
Explanation:
The different tenses in grammar are used to denote the time or condition of when the action occurs. This means that tenses tell us the form or condition of the verbs.
The present tense tells us about a present scene while the past tense tells us about an action that happened in the past. Likewise, the future tense tells us about an event that will happen in the future. This means that future tenses are used to describe events that have not taken place, and are yet to happen.
