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emmainna [20.7K]
3 years ago
14

What would be the new volume of a gas if 455 of that gas is cooled from 30.0°C to -80.0°C?

Chemistry
2 answers:
sergejj [24]3 years ago
6 0
44555 I believe is the correct answer
Lapatulllka [165]3 years ago
5 0

Answer:

44555

Explanation:

is the answer

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What is the definition of <br> incandescence?
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Answer:

the emission of visible light by a body, caused by its high temperature.Compare luminescence.

the light produced by such an emission.

the quality of being incandescent.

5 0
2 years ago
Calculate the pH of a solution with a [H 3 O + ]=5.6x10 -9 M.
Gre4nikov [31]

Answer:

8.3

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pH is the measure of the H+ or H30 (they r the same thing) ions in a solution. it is equal to -log[H+]. [H+]=  Molar concentration of H+ ions.

6 0
3 years ago
Why are the densities of corn syrup and gasoline expressed as a range of values
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<span> because gasoline changes volume as a function of temperature or because there are different grades of gasoline or because the values are given in different units of measure .</span>
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2 years ago
When heating a chemical solution over an open flame in a test tube you should - A. keep a cork in the test tube so the solution
Alla [95]

Hello.

The answer is:  A. keep a cork in the test tube so the solution cannot spill out

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have a nice day

3 0
3 years ago
Hydrogen peroxide can decompose to water and oxygen by the following reaction
mestny [16]
To begin calculating, there is one thing you need to remember :1 mole of H2O2=34.0148 g
Then we have 5.00g of H2O2=5/34.0148=0.146995
As you know decomposition of 2moles now has prodused <span>196kj
So, </span><span>q is made due </span>0.146995 moles of H2O2=(-196/2)*0.146995=-14.40551Kj
I'm sure it will help.
6 0
2 years ago
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