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erik [133]
3 years ago
12

A ______ is a hole where the steam looks a lot like a smoke​

Chemistry
1 answer:
REY [17]3 years ago
5 0

A <u>DRY ICE</u> is hole were the steam looks a lot a smoke

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A well-insulated cup of water is too hot to make tea, so you mixed it with an equal amount of cool water to lower the temperatur
natulia [17]

Answer:

The entropy of the final solution decreases, as the reaction disorder is less.

Explanation:

The higher the temperature, the greater the heat of the reaction and the greater the disorder it has, so the entropy will increase ... But this is not the case, since the solution cools, decreasing the entropy proportionally.

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3 years ago
The volume of a sample of water is 2.5 mL the volume of the sample in liters is
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Answer:

0.0025Litters

Explanation:

2.5ml= 2.5x10^-3l

2.5ml= 0.0025l

7 0
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list the 7 continents and circle the only one that doesn't have any. glacier on it? the areas convered with glacier sill be. whi
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Africa.

Europe.

Asia.

North America.

South America.

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Antarctica.

7 0
3 years ago
The ________ produce egg cells and they _________ produce sperm.
Sergeu [11.5K]

Answer:

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Explanation:

4 0
2 years ago
Read 2 more answers
How many molecules are in 9.45 moles ? ( NaNO3)
Rzqust [24]

Answer:

There are 5.69*10²⁴ molecules in 9.45 moles.

Explanation:

The mole is defined as the amount of matter that particles have, that is, atoms and elementary entities.

Avogadro's Number or Avogadro's Constant is called the number of particles that make up a substance (usually atoms or molecules) and that can be found in the amount of one mole of said substance. Its value is 6.023*10²³ particles per mole and represents a quantity without an associated physical dimension. Avogadro's number applies to any substance.

Then the following rule of three can be applied: if 1 mole contains 6.023 * 10²³ molecules, 9.45 moles, how many molecules will it have?

amount of molecules=\frac{9.45 moles*6.023*10^{23}molecules }{1 mole}

Solving:

amount of molecules= 5.69*10²⁴⁴ molecules

<u><em>There are 5.69*10²⁴ molecules in 9.45 moles.</em></u>

8 0
2 years ago
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