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-BARSIC- [3]
4 years ago
7

What does a decrease in temperature indicate about the molecules in a sample of liquid water?

Chemistry
2 answers:
zvonat [6]4 years ago
5 0

A decrease in temperature indicates decreased kinetic energy of the molecules.

<em>KE</em> ∝ <em>T</em>, so a decrease in temperature means a decrease in kinetic energy.

natali 33 [55]4 years ago
5 0

Answer:

Decreased kinetic energy of the molecules.

Explanation:

The kinetic energy is the energy of movement.

The energy is associated with the speed of a molecule.

If we increase the temperature the speed of a molecule increases, increasing the kinetic energy of the molecule.

Thus

Kinetic energy is directly proportional to the temperature.

So if we decrease the temperature it will decrease the kinetic energy of the molecules.

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16. Explain why antifreeze is used in vehicle radiators. Use your knowledge of the properties of
Fynjy0 [20]

Answer:

Antifreeze is whats used to keep your engine cool without freezing.

Explanation:

it keeps the engine from overheating.

It also prevents corrosion.

Here is a quote from google "Antifreeze works because the freezing and boiling points of liquids are “colligative” properties. This means they depend on the concentrations of “solutes,” or dissolved substances, in the solution. A pure solution freezes because the lower temperatures cause the molecules to slow down"

That quote is from "The Science Behind Antifreeze"

If you have any questions feel free to ask in the comments.

4 0
4 years ago
A covalent bond between an oxygen atom and a hydrogen atom is best described as _____.
Igoryamba
The answer is most likely nonmetals. :)
7 0
3 years ago
What are the units of k in the following rate law?
Ludmilka [50]

Answer:

B. \frac{1}{M^{2} s }

Explanation:

The unit for rate is M/s while the unit for each molecule should be M. You can find the unit for k by putting the units for rate and the molecules into the equation

rate= k{X][Y]

M/s= k * M^{2} * M^{1}

k= (M/s) / (M^{3})

k= \frac{1}{M^{2} s }

You can also use this predetermined formula to solve this problem faster: k= \frac{M^{1-n} }{s }

Where n is the number of molecule. There are 3 molecule(2X and 1Y) so n=3, so

k= \frac{M^{1-n} }{s }

k= \frac{M^{1-3} }{s }= \frac{m^{-2}}{s}= \frac{1}{M^{2} s }

8 0
4 years ago
What happens to the particles during solid to a liquid
Ratling [72]

the particles from solid to liquid start to move around faster then it was at the first state

3 0
3 years ago
Hvgiyhhhhhhhhhhh fvytufyutfjhfytudcthjhhh
skad [1K]

Answer:

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Explanation:

geheurjd dnienendjenenjenendndnsjjsj

8 0
3 years ago
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