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Fynjy0 [20]
3 years ago
15

If a scientist wants to make molecules move slower, what should they do? A. decrease their kinetic energy B. Transfer energy out

of them C. Put them in a freezer D. All of the above
Chemistry
2 answers:
kvv77 [185]3 years ago
7 0
The answer is D all of the abound
SVEN [57.7K]3 years ago
3 0
The answer is D because it’s D
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certain gas occupies 6.24L at pressure of 760 mm Hg.If the pressure is reduced to 60.0mm Hg,what would the new volume be?​
vovikov84 [41]

Answer:

79.04 L

Explanation:

We are given;

Initial Volume; V1 = 6.24L

Initial Pressure; P1 = 760 mm Hg

Final pressure; P2 = 60.0mm Hg

To solve for final volume, we will use Boyles law;

P1•V1 = P2•V2

Let's make V2 which is the final volume the subject;

V2 = (P1•V1)/P2

V2 = (760 × 6.24)/60

V2 = 79.04 L

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Anybody can help? <br> - 20 points
strojnjashka [21]

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I think its carbon because of all the chemicals being used in that air.

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Baking powder is a mixture of baking soda and a mild edible acid such as tartaric acid
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How many atoms are there in 3 moles of Fe?
Harrizon [31]
The atomic mass of an element on the periodic table is the weight of 1 mole of atoms. For example, the atomic mass of Fe is 55.8 on the periodic table. If you weigh out 55.8 grams of Fe you will have 1 mole of iron, or 6.02 x 1023 atoms.
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6 0
3 years ago
A 1.20 gram sample of a hydrated salt is heated to a constant mass of .80 gram. what is the percent of mass of water contained i
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The mass of the water is 1.20 - 0.80 = 0.40 grams.

The % of water is (0.40 / 1.20 ) * 100 = 33 1/3% 
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3 years ago
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