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Vlad [161]
4 years ago
6

A balloon is floating around outside your window. The temperature outside is 21 ∘C , and the air pressure is 0.700 atm . Your ne

ighbor, who released the balloon, tells you that he filled it with 4.70 moles of gas. What is the volume of gas inside this balloon?
Chemistry
1 answer:
Andreyy894 years ago
4 0

Answer:

V=162L

Explanation:

Hello,

In this case, we can compute the required volume by using the ideal gas equation as shown below:

PV=nRT

Thus, solving for the volume and considering absolute temperature (in Kelvins), we obtain:

V=\frac{nRT}{P}= \frac{4.70mol*0.082\frac{atm*L}{mol*K}*(21+273)K}{0.700atm} \\\\V=162L

Best regards.

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Consider the following equilibrium between N2O4 and NO2.[Heat is added to a brown 2 NO2 gas to yield a colorless N2O4 gas]Which
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Answer:

a.Low temperature

Explanation

Equation of reaction:

2NO2 <==> N2O4(g) ∆H = +ve

To cause the reaction to become darker brown means to produce more of NO2 gas. That is backward reaction.

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High pressure will rather favour forward reaction (it is not the right option).

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If you have a block of plastic and a block of copper that are the same mass and are placed in the sun for 10 minutes. What is th
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INFORMATION:

Is given that:

- if you have a block of plastic and a block of copper that are the same mass and are placed in the sun for 10 minutes.

And after the 10 minutes copper has a higher temperature.

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STEP BY STEP EXPLANATION:

To determine it, we need to know the concept of specific heat

If the block of copper has a higher temperature after 10 minutes, that means copper needs less heat to raise its temperature.

So, plastic has a higher specific heat than metal, so it takes more energy to heat plastic than copper. As a result, plastic would heat up more slowly.

ANSWER:

The explanation for the copper having a higher temperature after 10 minutes in the sun, is that plastic has a higher specific heat than metal, so it takes more energy to heat plastic than copper. As a result, plastic would heat up more slowly. Since the copper has a lower specific heat, it will be heat quickly.

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Answer:

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