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klio [65]
3 years ago
9

For most substances,the distance between particles is furthest when the substance is?

Chemistry
1 answer:
valentinak56 [21]3 years ago
3 0
Im not positive but i think it is When it is a gas?
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Can i get some help with this
aliya0001 [1]

Answer:

Velocity

Explanation:

Velocity is a vector quantity that mentions the direction of the object(north, south, etc..) speed is not a vector quantity.

I think this is the answer, I hope this helps!

3 0
3 years ago
Dr. I. M. A. Brightguy adds 0.1727 g of an unknown gas to a 125-mL flask. If Dr. B finds the pressure to be 736 torr at 20.0°C,
AlladinOne [14]

Answer:

The gas that Dr. Brightguy added was O₂

Explanation:

Ideal Gases Law to solve this:

P . V = n . R . T

Firstly, let's convert 736 Torr in atm

736 Torr is atmospheric pressure = 1 atm

20°C = 273 + 20 = 293 T°K

125 mL = 0.125L

0.125 L . 1 atm = n . 0.082 L.atm / mol.K . 293K

(0.125L .1atm) / (0.082 mol.K /L.atm . 293K) = n

5.20x10⁻³ mol = n

mass / mol = molar mass

0.1727 g / 5.20x10⁻³ mol = 33.2 g/m

This molar mass corresponds nearly to O₂

7 0
3 years ago
Help me I got stuck<br> Pls
Sophie [7]
The answer is C because the weight is going down so they form a gas.
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Two atoms of calcium and one molecule of oxygen gas react and yield two molecules of calcium oxide.
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2Ca + O2 ——————-> 2CaO2
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Produces almost half of out nation's electricity
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Read 2 more answers
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