CH3-CH2-NH-CH2-CH3
What’s the name for this
Answer:
Ethylamine
Explanation:
Ethylamine also known as Ethanamine is an organic compound with the formula CH3CH2NH2.
I hope this is helpful!
God BLESS!
0.10 moles of sodium sulfate is dissolved into 12 mL of solution. What is the molar concentration of the solution
Answer:
gg go next
Explanation:
define the term alotropy
Answer:
The term allotrope refers to one or more physical forms of a chemical element that occurs in the same physical state. Allotropes may show differences in chemical and physical properties. Swedish chemist Jons Jakob Berzelius proposed the concept of allotropy in 1841.
explanation
i searched it ;)
The charge on the iron ion in the salt Fe2O3 is....?
Answer = 0
Explanation:
The sum of the charges of atoms of elements in a neutral compound is zero
Hence the charge of iron in the compound is 0
The charge on the iron ion in the salt Fe₂O₃ is + 3 as the charge on overall compound is 0.
What are ions?An ion is defined as an atom or a molecule which has a net electrical charge. There are 2 types of ions :1) cation 2) anion . The cation is the positively charged ion and anion is the negatively charged ion . As they are oppositely charged they attract each resulting in the formation of ionic bond.
Ions consisting of single atom are mono-atomic ions while which consists of two or more ions are called as poly-atomic ions . They are created by chemical interactions . They are very reactive in their gaseous state and rapidly react with oppositely charged ions resulting in neutral molecules.
The charge on the iron ion in the salt Fe₂O₃ is calculated as 2×x+3(-2)=0 thus x= +3.
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can anyone heelp me plzzz
Answer: 1
Explanation: C= 1 if you round 1.04 to a single digit the answer is 1
how many moles of chloroethylene contain 5.47 x 10 26 molecules
Answer:
so each mole is 6.022 * 10^23
so subtract and we have 5.47 * 10^3
1000*5.47
5470/6.022
908.315 moles
908moles in sig figures
What next action can be done to save blue whales?
Answer:
donate money to a whale organization made to fight the problems
Explanation:
PLEASEEE HELPPP MEEEEEEEEEEEE
A bike tire at a pressure of 2.4 atm and a
temperature of 290 K has a volume of 2.2 liters.
A child gets on the bike and rides it outside.
What is the new pressure if the temperature
outside is 296 K and his weight causes the tire's
volume to drop to 2.0 liters? please help!!!
Answer:
5.4 atm
Explanation:
P•V/T = P'•V'/T'
2.4•2.2/290 = P'•2/296
5.28/290 = P'/296 Multiply both sides by 296
1562.88/290 = P'
I'm = 5.4 atm
Under certain conditions, H_{2}O_{2} can act as an oxidizing agent; under other conditions, as a reducing agent. A good theoretical explanation for this is that an atom within a compound can become more stable by either gaining OR losing electrons. Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a True b False
Answer:
True
Explanation:
Not sure why but it's true.
The theoretical explanation given for the reason why H₂O₂ can act as an oxidizing agent and other times as a reducing agent is; True
We are told that under certain conditions, H₂O₂ can act as an oxidizing agent and under other conditions it can act as a reducing agent.
Now, an oxidizing agent is one that gains electrons and undergoes reduction in a chemical reaction while a reducing agent is one that loses electrons and undergoes oxidation in a chemical reaction.Now, an atom that loses electrons within a compound would become more stable if the loss of electrons means its' new valence shell has 8 electrons.
Whereas, an atom that gains electrons within a compound would become more stable if the gain of electrons makes its' valence shell to fulfill the octet rule by having 8 electrons in its' outermost shell.
The oxygen atom in the given H₂O₂ (hydrogen peroxide), has an oxidation state of -1. Now, due to the fact that this -1 oxidation state lies between the more popular extremes of 0 and -2 oxygen oxidation states, it means that it can either act as an oxidizing agent or a reducing agent.In conclusion, the theoretical explanation is true.Read more at; https://brainly.com/question/15867111
Question 4 of 10
Which of the following is the correct model of C.H14?
o
A.
O
B.
O C.
D.
Answer:
B
Explanation:
Option B is correct because you have 6 vertices, indicating that there ate 6 carbons in the compound.
The sun provides the ____ to power the water cycle
A: Heat energy
B: Chemical energy
C: direction
the answer is a
it carries down heat rays which evaporates the water.
Please help!!!
i will mark brainliest
Answer:
Pressure: doubles
Volume: stays constant
Moles: doubles
Gas Constant: halves
Temperature: stays constant
Explanation:
hope this helps. . . <3
4Na + O2 2Na2O
How many moles of Na2O will be produced from 4.35 x 10^24 atoms of Na?
with explanation
g What is the minimum speed needed by a ground-state hydrogen atom for its kinetic energy to be enough to ionize the atom in a collision
Let u be velocity of hydrogen atom before collision and V the ve locity of two atoms moving together after collision By principal of conservation of momentum , we have
[tex]Mu + M \times 0 = 2VM[/tex]
[tex]V = \frac{u}{2} \\ [/tex]
The loss in kinetic energy Δϵ due to collision is
[tex]Δϵ= \frac{1}{2}Mu {}^{2} − \frac{1}{2} (2M)V {}^{2} \\ [/tex]
[tex]As, V = \frac{u}{2} \: we \: have \: Δϵ= \frac{1}{2}Mu {}^{2} − \frac{1}{2} (2M)( \frac{u}{2}) {}^{2} \\ [/tex]
[tex] = \frac{1}{2} Mu {}^{2} - \frac{1}{4}Mu { }^{2} = \frac{1}{4} Mu {}^{2} \\ [/tex]
Rest answer is in the pic
The boiling point of benzene is 80ºC. Which pair of samples will have the same average kinetic energy as benzene molecules?
· a sample of liquid benzene at 80ºC and a sample of gaseous benzene at 80ºC
· two samples of gaseous benzene, one at 80ºC and the other at 90ºC
· a sample of liquid benzene at 70ºC and a sample of gaseous benzene at 90ºC
· two samples of liquid benzene, one at 70ºC and the other at 80ºC
Answer: A. a sample of liquid benzene at 80ºC and a sample of gaseous benzene at 80ºC
Explanation:
A student is testing a solid material to determine whether it is a pure substance or a
mixture. Which observation would MOST likely indicate that the material is a mixture?
The material has crystals of two different colors.
The material does not dissolve completely in water.
The material does not melt when it is heated over a burner.
The material reacts with an acid solution to form bubbles of gas.
Answer:
Explanation:
Es la segunda por qué un material sólido no se derrite en agua
Answer:
It is the second Explanation:
why a solid material does not melt in water
Do waves transmit matter?
Question 16 options:
No, waves do not interact with matter at all
Yes, all waves transmit matter
Yes, but only mechanical waves can transmit matter
No, waves are disturbances in matter but do not transmit matter
Answer:
No, waves are disturbances in matter but do not transmit matter
Explanation: I took the test
The Flow of Energy in the Water Cycle
Energy flows through the Earth's system in the water cycle in two ways-when water
changes state and when water moves from place to place. When water changes state, I
water molecules absorb energy from or release energy to their surroundings. For
example, water can evaporate when it absorbs energy from sunlight or from surrounding
air, water, or land. When water condenses to form clouds, the water molecules release
energy to the surrounding atmosphere.
As water moves, it transfers energy from one location to another. For example, as
a warm surface current in the ocean flows to a colder polar region, thermal energy from
the equator is transported toward Earth's poles. When the warm water reaches areas
where the air is colder, some energy in the warmer water is released into the cooler air.
These energy transfers between the ocean and the atmosphere greatly influence Earth's
weather and climate.
current
27. Imagine snow on top of a mountain. What are some ways energy could be
transferred as the seasons change? Choose all answers that apply.
A. Energy flows into the snow from sunlight.
B. Cold snow melt flows into the warmer lake.
C. Warmer air absorbs energy from snow.
D. Energy flows into the snow from warmer air.
In boron monofluoride, how many total bonds would boron need to make with the fluorine in order to achieve an octet, while also allowing fluorine to achieve an octet
In boron monofluoride, boron will need 5 bonds to attain octet rule while fluorine will require 1 bond to attain octet rule.
The valency electron of an atom determines the kind of bonding that occurs between atom of elements.
Therefore,
The bonding between Boron and fluorine to form boron monofluoride are as follows:
An electronically neutral boron atom has 5 electrons. Using electronic configuration, the outer electrons are 3 (Using the model 2 8 8 2). It will require 5 electrons to attain the octet rule.
On the other hand an electronically neutral fluorine atom has 9 electrons. The outer electrons are 7 electrons. Naturally, it will require 1 electron to attain octet rule.
In the case of boron monofluoride, 1 atom of boron combines with 1 atom of fluorine to form the compound. Therefore, the total valency electrons of the diatomic compound is 10 electrons altogether.
Generally, In boron monofluoride, boron will need 5 bonds to attain octet rule while fluorine will require 1 bond to attain octet rule.
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Boron needs four bonds in order to satisfy the octet rule while fluorine needs only one bond in order to satisfy the octet rule.
Boron is an element in group 13 of the periodic table. This means that boron has three valance electrons. The octet rule states that an atom must have eight valence electrons in order to attain stability.
This implies that boron must have a total of four bonds in order to satisfy the octet rule. On the other hand, fluorine which has seven valence electrons only needs one bond in order to satisfy the octet rule.
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Phần lớn axit nitric được sản xuất ra được dùng
Answer:
english
Explanation:
English English English English English English English English
Describing Chemical Reactions
Quiz Active
1
2
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TIME REMAINING
57:48
Liquid 1 reacts with Liquid 2, producing a solid and a gas. Using this scenario, which supports the law of conservation
of mass?
EEEE
O mass of Liquid 1 + mass of solid = mass of Liquid 2 + mass of gas
O mass of Liquid 1 - mass of solid = mass of Liquid 2-mass of gas
O mass of Liquid 1 - mass of Liquid 2 = mass of solid + mass of gas
O mass of Liquid 1 + mass of Liquid 2 = mass of solid + mass of gas
Answer:
mass of Liquid 1 + mass of Liquid 2 = mass of solid + mass of gas
Explanation:
iquid 1 reacts with Liquid 2, producing a solid and a gas. Using this scenario, which supports the law of conservation
of mass?
EEEE
O mass of Liquid 1 + mass of solid = mass of Liquid 2 + mass of gas
O mass of Liquid 1 - mass of solid = mass of Liquid 2-mass of gas
O mass of Liquid 1 - mass of Liquid 2 = mass of solid + mass of gas
O
based on the law of the conservation of matter, the sum of the masses of the reactants must equal the sum of the masses of the products
so the correct answer is
mass of Liquid 1 + mass of Liquid 2 = mass of solid + mass of gas
Most of the energy that humans use on Earth originally came from
Question 20 options:
The moon
The Sun
The Ocean
Volcanic activity
Calcula el número de gramos de soluto en 500 mL de 0.169 M KOH
Answer:
no se, no se y no se
Explanation:listo
An empty container with a volume of 140.0 cm3 is weighed and found to have a mass of 73.3 g. The container is filled with a liquid and reweighed. The mass of the container and the liquid is 192.1 g. What is the density of the liquid to the appropriate number of significant figures
Answer:
0.420 g/ml
Explanation:
Question
An empty container with a volume of 140.0 cm3 is weighed and found to have a mass of 73.3 g. The container is filled with a liquid and reweighed. The mass of the container and the liquid is 192.1 g. What is the density of the liquid to the appropriate number of figures
density = mass/volume
d = (192.1 -73.3)/140.0 = 58.8/140.0 =0.420 g/ml
An empty container with a volume of 140.0 cm3 is weighed and found to have a mass of 73.3 g. The container is filled with a liquid and reweighed. The mass of the container and the liquid is 192.1 g.0.420 g/ml is the density of the liquid.
What is density ?The term density is defined as the mass of a substance per unit volume. density expressed in grams per cubic centimeter. The formula of density is as follows:
Density = mass/ volume
The density of something is a measure of how heavy it is in relation to its size. When an object is denser than water, it sinks; when an object is less dense than water, it floats. Density is a property of a substance that is independent of the amount of substance.
Given:
Volume = 140.0 cm³
Density = ?
mass = 73.3 g, 192.1 g.
density = mass/volume
density = (192.1 -73.3) / 140.0
= 58.8/140.0
=0.420 g/ml
Thus, The mass of the container and the liquid is 192.1 g.0.420 g/ml is the density of the liquid.
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Suppose that 0.473 g of an unknown gas that occupies 200. mL at 1.81 atm and 25 8C was analyzed and found to contain 0.414 g of nitrogen and 0.0591 g of hydrogen. (a) What is the molecular for- mula of the compound
The molecular formula of the compound is N₂H₄
we'll begin by calculating the number of mole of the unknown gas. This can be obtained as follow:
Volume (V) = 200 mL = 200 / 1000 = 0.2 L
Pressure (P) = 1.81 atm
Temperature (T) = 25 °C = 25 + 273 = 298 K
Gas constant (R) = 0.0821 atm.L/Kmol
Number of mole (n) =?PV = nRT
1.81 × 0.2 = n × 0.0821 × 298
0.362 = n × 24.4658
Divide both side by 24.4658
[tex]n \: = \frac{0.362}{24.4658} [/tex]
n = 0.0148 moleNext, we shall determine the molar mass of the compound.mole of compound = 0.0148 mole
mass of compound = 0.473 g
molar mass of compound =?[tex]molar \: mass \: = \frac{mass}{mole} \\ \\ molar \: mass \: = \frac{0.473}{0.0148} \\ \\ [/tex]
Molar mass of compound = 31.96 g/molNext, we shall determine the empirical formula of the compound.Nitrogen (N) = 0.414 g
Hydrogen (H) = 0.0591 g
Empirical formula =?Divide by their molar mass
N = 0.414 / 14 = 0.0296
H = 0.0591 / 1 = 0.0591
Divide by the smallest
N = 0.0296 / 0.0296 = 1
H = 0.0591 / 0.0296 = 2
Therefore, the empirical formula of the compound is NH₂
Finally, we shall determine the molecular formula of the compound. This can be obtained as follow:Molar mass of compound = 31.96 g/mol
Empirical formula = NH₂
Molecular formula = ?Molecular formula = Empirical formula × n = Molar mass
[NH₂]n = 31.96
[14 + (2×1)]n = 31.96
16n = 31.96
Divide both side by 16
n = 31.96 / 16
n = 2
Molecular formula = [NH₂]n
Molecular formula = [NH₂]₂
Molecular formula = N₂H₄Thus, the molecular formula of the compound is N₂H₄
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Use the reaction to answer the question.
C10H3 + 1202—?
Which products are expected from the reaction?
10C + 4H20 + 1002
10CO2 + 4H20
10CO2 + 8H20
10CO2 + 8H + 202
Answer:
The product expected is 10CO2 + 4H2O
A golfer uses a club to hit a golf ball that is sitting on a tee. The golf ball goes flying through the air. Which of the following statements describes the force or forces that transfer momentum between the club and ball? A. The club and the ball exert equal forces in the direction of the ball's motion. B. The club exerts a greater force on the ball than the ball exerts on the club C. The club exerts a forward force on the ball, and the ball exerts an equal backward force on the club D. The club exerts a forward force on the ball, but the ball does not exert a force on the club.
When sulfur dioxide forms from two non-metals, a covalent bond results when the electrons are
Answer:
heres your answer
To determine whether a bond is Covalent or Ionic, you must know the difference in electronegativity (a fancy word for describing how good a job a particular element does at attracting new electrons).
Explanation:
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8
Х
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51) Which statement BEST explains why Liquids and gases can flow but solids cannot?
A) Liquids and gases usually occupy a larger volume than the solid form of a substance.
B) The structure of liquids and gases is not fixed, so particles can slide past each other.
Solid particles are often larger than liquid and gas ones, so they can't move as easily.
D) Liquid and gas particles are more attracted to each other and "pull" the other particles.
Answer is:
The structure of liquids and gases is not fixed, so particles can slide past each other.
