In the illustration, which solute will dissolve first?
00.0
00.0
tanka
tank
Solute in Tanks A and B will dissolve at equal rates.
Solute in Tonk Awill dissolve first
Soluten Tork B wil dissolves
Answers
The first to dissolve is the solute in tank B. The amount of a substance that dissolves in a specific solvent concentration at a specific temperature is known as its solubility.
Which phase of the dissolving process is the first?The introduction of a solute to a solvent is the first stage in the dissolving process. The molecules of these two substances begin to interact, causing the solute molecules to disperse and become encircled by solvent molecules.
Which of the following three compounds dissolves in water?In water, salt, sugar, and coffee all dissolve. They disintegrate quickly. They typically dissolve more rapidly and completely in hot or warm water. Even very hot water won't be able to dissolve sand or pepper.
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Related Questions
Decay chains exist because
radioactive elements remain radioactive regardless of decays.
radioactive elements require multiple decays in order to release all of their radiation.
radioactive elements can decay into stable or unstable elements.
radioactive elements require large amounts of time to decay to a stable element.
Answers
Answer:
Find the length of side x in simplest radical form with a rational denominator.
Answer:
The answer is C
radioactive elements can decay into stable or unstable elements.
A geologist conducts an investigation to determine the absolute age of a fossil. She then
repeats the procedure three times. Which BEST explains why she repeated the procedure
several times?
•It helps her develop better procedures
•It improves the accuracy of the results.
•She wants all the results to be different.
•She has more than one hypothesis to prove.
Answers
Answer:
it improves the accuracy of the results
Explain how the skeletal and muscular system work together to support body movement from this picture.
Answers
Answer:
Tendons connect the skeletal system to the muscular system by attaching muscle to bone. When muscle contracts, the tendon acts on the bone, causing movement. Joints, the point at which two or more bones connect, can be fixed, slightly movable, or freely movable.
A gas of certain mass occupies a volume of 650cm^3 under a pressure of 750 mm Hg. Calculate the pressure under which the volume of gas will be reduced by 10 percent of its original volume.
Answers
Answer:
7500 mmHg
Explanation:
From the question,
Applying Boyles Law,
PV = P'V'................ Equation 1
Where P = original pressure, P' = final pressure, V = Original Volume, V' = Final Volume.
make P' The subject of the equation
P' = PV/V'.............. Equation 2
Given: P = 650 cm³, P = 750 mmHg, V' = (650×10/100) = 65 cm³ (Reduced by 10 percent of it original volume)
Substitute these values into equation 2
P' = (650×750)/65
P' = 7500 mmHg
What is the concentration if 20 grams of NaOH was dissolved in enough water to make a 250 mL NaOH solution?
Answers
Answer: 1 molar NaOH contains 40 grams of NaOH per every liter of water
Explanation:
so 2 M NaOH contains twice that amount, ie. 80 grams per liter. Then, ine 250 ml of weater, there should be 80/4 = 20 grams of solid NaOH dissolved.
I need help bad bro i have a 30 cs this is missing
Answers
Answer: 11.02 moles of Ag can be formed.
Explanation:
To calculate the moles :
[tex]\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}[/tex]
[tex]\text{Moles of} Cu=\frac{350.00g}{63.55g/mol}=5.51moles[/tex]
The balanced chemical equation is:
[tex]Cu+2AgNO_3\rightarrow Cu(NO_3)_2+2Ag[/tex]
According to stoichiometry :
1 moles of [tex]Cu[/tex] produces = 2 moles of [tex]Ag[/tex]
Thus 5.51 moles of [tex]Cu[/tex] will produce=[tex]\frac{2}{1}\times 5.51=11.02moles[/tex] of [tex]Ag[/tex]
Thus 11.02 moles of Ag can be formed.
im planning to tell a girl i like her how should i do it?
Answers
Water cannot dissolve all substances that are made from ionic bonds. This is probably because
A.
Water needs to be stirred to dissolve all ionic substances
B.
Some ionic bonds are too strong for the attractions of water molecules to pull them apart
C.
Some water molecules are not as strong as others
Answers
Water cannot dissolve all substances that are made from ionic bonds probably because some ionic bonds are too strong for the attractions of water molecules to pull them apart.
WATER AS A UNIVERSAL SOLVENT:Water is a unique molecule often referred to as a universal solvent because it can dissolve almost all solutes. Water is capable of dissolving polar substances i.e. substances that have an unequal distribution of positive and negative ions.However, some ionic bonds formed from ions of elements are unable to be dissolved by water and this is probably attributed to the fact that those bonds are too strong to be pulled apart by water molecules.
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28 What is the concentration of hydrogen ions [H+] in a solution that has a pH of 4.32? (1 Point) a. 4.8 x 10-5M b. 6.2 x 10-4M C. 5.1 x 10-4M d. 8.6 x 10-5M
Answers
Answer: The concentration of hydrogen ions in the given solution is [tex]6.2 \times 10^{-4}[/tex].
Explanation:
Given : pH = 4.32
pH of a substance or solution is the negative logarithm of hydrogen ion concentration.
[tex]pH = - log [H^{+}][/tex]
Substitute the value into above formula as follows.
[tex]pH = - log [H^{+}]\\= - log (4.32)\\= 6.2 \times 10^{-4}[/tex]
Thus, we can conclude that the concentration of hydrogen ions in the given solution is [tex]6.2 \times 10^{-4}[/tex].
how does farming affect or change Earth systems? Give at least 3 examples.
Answers
Answer:
1.Exhaust from farming machines pollutes the air
2.Cows give off methane gas that gets into the atmosphere
3.The land the farm was cleared away on effects other recosystems
Explanation:
Farming adversely affected the earth systems such as climate change, deforestation, biodiversity loss, irrigation problems, pollutants, soil degradation, and waste production.
How does farming affect or change Earth systems?Agriculture causes a number larger of environmental issues that cause environmental degradation such as climate change, deforestation, biodiversity loss, irrigation problems, pollutants, soil degradation, and waste production.
For example, exhaust from farming machines pollutes the air, Cows give off methane gas that gets into the atmosphere and the land the farm was cleared away on effects other ecosystems.
So we can conclude that farming adversely affected the earth systems such as climate change, deforestation, biodiversity loss, irrigation problems, pollutants, soil degradation, and waste production.
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40 points. Explain how a substituted hydrocarbon is made.
Answers
Answer: Organic acids form when a carboxyl group (−COOH) is substituted for one of the hydrogen atoms in a hydrocarbon.
distinguish between climate and atmosphere.
Answers
A home is heated by a system that uses sunlight to warm water in pipes. Which statement best describes this system?
A. An active solar system because sunlight shines on the pipes naturally.
B. A passive solar system because light from the sun generates electrical energy.
C. An active solar system because the sun's energy is collected and moved throughout the house.
D. A passive solar system because sunlight heats the home without generating electrical energy.
Answers
Answer:
In which part of a nuclear power plant does fission take place? A home is heated by a system that uses sunlight to warm water in pipes. Which statement best describes this system? An active solar system because sunlight shines on the pipes naturally.
Explanation:
Hope it helps
FOLLOW MY ACCOUNT PLS PLS
Answer:
In which part of a nuclear power plant does fission take place? A home is heated by a system that uses sunlight to warm water in pipes. Which statement best describes this system? An active solar system because sunlight shines on the pipes naturally.
Explanation:
do you really get 7 years of bad luck if you crack a mirror :(
Answers
Answer:
nope its a myth don't worry :)
the atomic number is the number of protons, but in a neutral atom it is also the number of _____. A. none of these B. electrons C. neutrons D. nuclei
Answers
Answer:
Electrons
hope it helps
An atom has 13 protons, 14 neutrons, and 10 electrons. What element is this atom? How did you determine which element it was?
Answers
5. (10 Points) To calculate the heat released in the reaction you used the formula
q=cmAT. What do each of the symbols represent in the this formula?
Answers
Explanation:
To calculate the heat released in the reaction, we use the formula-
Q = m×c×Δt
Where
Q - The heat energy
m - the mass of the object/substance being heated
c - the specific heat of the object/substance being heated
Δt - the change in temperature in °C
In order to solve Ideal Gas Law calculations, what unit must temperature be in? *
Fahrenheit (°F)
Celcius (°C)
Kelvin (K)
Atmospheres (atm)
Answers
Answer: Atm
I took a test and got it right.
what is the difference between isotopes and allotrope not more than three line
Answers
Answer:
An allotrope is one way that atoms can be arranged in a solid. An isotope is one way that protons and neutrons can form the same atomic element.
In a pedigree, when a circle of square is halfway shaded, is it
A(female
B(male
C(carrier
D(non carrier
Answers
and a 40N Torce in a southeriy direction?
4. A car works harder to accelerate from 0 to 10km/hr than it does to maintain a 10km/hr speed. Why is this? A. b/c
static friction is harder to overcome than kinetic or rolling friction. B. b/c static friction is easier to overcome than
kinetic or rolling friction. C. b/c static friction is harder to overcome than potential energy. D. b/c static friction is
easier to overcome than gravity.
Answers
Answer:
I Don't Know.
Explanation: I'm Sorry, But I'm Not Good At This Subject. Atleast I'm Being Honest.
How many moles are in 558 grams of Hydrofluoric acid? please show dimensional analysis
Answers
Answer:
29.4mol
Explanation:
Using mole = mass ÷ molar mass
Molar mass of HF (hydrogen fluoride) = 1 + 19 = 20g/lol
Using the formula;
Mole = mass/molar mass
Mole = 588/20
Mole = 29.4mol
Answers are either: 10.4g, 5.18g, 37.3g, 26.4g, 20.7g
Answers
Answer:
20.7 g NH3
Explanation:
Convert to moles of N2:
(17.0 g N2) / (28.02 g/mol N2) = 0.607 moles N2
Convert to moles of NH3:
(0.607 moles N2)(2 moles NH3 / 1 mole N2) = 1.213 moles NH3
Convert to grams of NH3:
(1.213 moles NH3)(17.03 g/mol NH3) = 20.66 g NH3
How many rays are needed to be
drawn to determine the location of
the image?
)
two
three
four
Answers
Answer:
two
Explanation:
Every observer would observe the same image location and every light ray would follow the law of reflection. Yet only two of these rays would be needed to determine the image location since it only requires two rays to find the intersection point.
pls name braainly :)
CHEMISTRY QUESTION 20 pts.... URGENT
Answers
Answer:
E i is like Math so I think this will help you
please answer! will mark brainiest for correct answer!
Answers
Answer:
when the electron moves from the first orbit to the third it gains energy but when it jumps from a higher energy orbit to a lower the energy is being radiated. So whihever is the higher energy you know what it is.
Explanation:
Answer: So ever is the higher energy you know what it is.
Explanation:
An example of a non-electrolyte is
1. H2O (I)
2. NaCl (aq)
3. K2SO4 (aq)
4. HCI (aq)
Answers
Answer: H2O
Explanation: pure H2O does not contain ions which could
Transfer charge. Other substances in water solution forms ions.
One molecule of a compound weighs 2.93 10–22 g. The molar mass of this compound is:
A)
2.06 g/mol
B)
567 g/mol
C)
168 g/mol
D)
176 g/mol
E)
none of these
Answers
Answer:
176 g/mol
Explanation:
To get this, multiply the weight of the molecule by Avogadro's number:
(2.93×[tex]10^{-22}[/tex]) × (6.022×[tex]10^{23}[/tex]) = 176.44 g/mol
This sea grass has had the sun shining on it for most of the day. What can the sea grass do because it is in sunlight? What does this mean for the number of energy storage molecules in the sea grass?
The sea grass can
Answers
Answer:
I don't really get your question but I think my answer relates to your question :)
Explanation:
Due to the high availability of sunlight, sea grass can get the sufficient light energy to carry photosynthesis and storage of energy.
What is photosynthesis ?Photosynthesis is a biochemical process by which green plants synthesis energy and in the leaves by the aid of light energy. Here, the light energy is converted to chemical energy.
Plants need sunlight for the light reaction of photosynthesis. In the absence of sunlight, they cant synthesis energy and the chlorophyll does not get active. They will grow towards sunlight.
The sea grass are getting sufficient light energy for the synthesis of energy. The energy storage molecules ie. ATP in sea grass will be synthesized in higher rate with the presence of sun shining.
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Which gas law would you use if pressure remains constant? *
Boyle's Law
Charles's Law
Gay-Lussac's Law
Combined Gas Law
Answers
Answer:
vfv
Explanation:
Answer:
boyle's law
Explanation:
