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Allushta [10]
2 years ago
15

Match the following items. 1. vibrate slowly in fixed positions kinetic energy 2. vibrate and rotate pressure 3. occurs at phase

equilibrium temperature 4. required for evaporation liquid particles 5. condensation diffusion 6. vibrate, rotate, and translate evaporation = condensation 7. caused by collisions with container walls order of increasing kinetic energy 8. measure of average kinetic energy high speeds 9. the intermingling of one substance within another gas changing to a liquid 10. solid, liquid, gas gas particles 11. determined by mass and speed solid particles
Chemistry
1 answer:
Leya [2.2K]2 years ago
5 0

Answer:

1. Solid Particles - vibrate slowly in a fixed positions

2. Liquid Particles - vibrates and rotates

3. Evaporation = Condensation - occurs at the phase equilibrium

4. High Speeds - required for evaporation

5. Gas Changing into a Liquid - condensation

6. Gas Particles - vibrate, rotates, translate

7. Pressure - caused by collisions with container walls

8. Temperature - measure of average Kinetic Energy

9. Diffusion - the intermingling of one substance within another

10. Order of Increasing Kinetic Energy - solid, liquid, gas

11. Kinetic Energy - determined by mass and speed

I hope this answered your question, Now I don't know if they are in the same order but I hope this helps. Have a nice day/night! :)

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Which of the following energy sources obtains its energy from gravitational potential energy?
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It is a geothermal power plant
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2 years ago
50cm3 of sodium hydroxide solution was titrated against a solution of sulfuric acid. The concentration of the sodium hydroxide s
miskamm [114]

Answer:

49 g/L is the concentration of the acid

Explanation:

Firstly, we proceed to write the equation of reaction.

2NaOH + H2SO4 ——-> Na2SO4 + 2H2O

We can see that 1 mole of the base reacted with two moles of the acid.

kindly note that dm^3 is same as liter

Firstly, we need to get the concentration of the reacted sulphuric acid in g/L

we use the simple titration equation below;

CaVa/CbVb = Na/Nb

From the question;

Ca = ?

Va = 25 cm^3

Cb = 20 g/L

we convert this to concentration in mol/L

Mathematically, that is concentration in g/L divided by molar mass in g/mole

molar mass of NaOH = 40 g/mol

so we have; 20g/L / 40 = 0.5 mol/L

Vb = 50 cm^3

Na = 1

Nb = 2

Where C represents concentrations, V volumes and N , number of moles

Now, substitute the values;

Ca * 25/0.5 * 50 = 1/2

25Ca/25 = 0.5

So Ca = 0.5 mol/L

Now to get the concentration of H2SO4 in g/L

What we do is to multiply the concentration in mol/L by molar mass in g/mol

That would be 0.5 * 98 = 49 g/L

4 0
2 years ago
What is the name of the functional group that is attached to this hydrocarbon? The first and last of a chain of three carbons ar
disa [49]

Answer:

Ketone

Explanation:

As you are stating here, we have a carbonated chain of three carbons, and the first and last has 3 Hydrogens, then this means that we have CH₃ . The center carbon is a carbon double bonded to oxygen.

In general terms this belongs to the carbonyl group. However, this alone does not represent a functional group, but when it's in a chain with other radycals or chains, it becomes a functional group.

In this case, the molecule you are talking here is the following:

CH₃ - CO - CH₃

This molecule is known as the Acetone, and has the general form of:

R - CO - R'

Which belongs to a ketone as a functional group.

4 0
1 year ago
The factor 0.01 corresponds to which prefix? A) milli B) deci C) deka D) centi
BARSIC [14]
The answer is: D) centi
5 0
2 years ago
How much energy is transferred when 30.0<br> g of water is cooled from 25.0 °C to 12.7 °C.
enot [183]

Answer:

Heat transferred, Q = 1542.42 J

Explanation:

Given that,

Mass of water, m = 30 grams

Initial temperature, T_i=25^{\circ} C

Final temperature, T_f=12.7^{\circ} C

We need to find the energy transferred. The energy transferred is given by :

Q=mc\Delta T

c is specific heat of water, c = 4.18 J/g °C

So,

Q=30\ g\times 4.18\ J/g-^{\circ} C\times (12.7-25)\ ^{\circ} C\\\\Q=-1542.42\ J

So, 1542.42 J of energy is transferred.

6 0
1 year ago
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