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kondor19780726 [428]
3 years ago
9

Calculate the new volume if a 13.3 L of a gas initially at a pressure of 2.51 atm is subjected to an increase in pressure equiva

lent to 65.0 mmHg.
Chemistry
2 answers:
sergeinik [125]3 years ago
7 0
To answer this item, we assume that the gas being presented is is usual is an ideal values such thath,
                          P(constant + 2(basic control)
                                    P = 2 basic control 
Valentin [98]3 years ago
3 0

Answer:

The value of new volume of the gas will be 390. Liters.

Explanation:

To calculate the new volume, we use the equation given by Boyle's law. This law states that pressure is inversely proportional to the volume of the gas at constant temperature.

The equation given by this law is:

P_1V_1=P_2V_2

where,

P_1\text{ and }V_1 are initial pressure and volume.

P_2\text{ and }V_2 are final pressure and volume.

We are given:

P_1=2.51 atm\\V_1=13.3 L\\P_2=65.0 mmHg \\V_2=?

1 atm = 760 mmHg

P_2=\frac{65.0}{760 mmHg}=0.0855 atm

Putting values in above equation, we get:

P_1V_1=P_2V_2

V_2=\frac{P_1V_1}{P_2}=\frac{2.51 atm\times 13.3 L}{0.0855 atm}=390. L

The value of new volume of the gas will be 390. Liters.

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A gas has a pressure of 853.0 millibars at a temperature of 29.0 °C. If the volume is unchanged but the temperature is increased
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The new pressure of the gas that initially have a pressure of 853.0 millibars at a temperature of 29.0 °C is 1011.17 millibars. Details about pressure can be found below.

<h3>How to calculate pressure?</h3>

The pressure of a given gas can be calculated using the following formula:

P1/T1 = P2/T2

Where;

  • P1 = initial pressure = 853.0 millibars
  • P2 = final pressure = ?
  • T1 = initial temperature = 29°C + 273 = 302K
  • T2 = final temperature = 85°C + 273 = 358K

853/302 = P2/358

358 × 853 = 302P2

305374 = 302P2

P2 = 305374 ÷ 302

P2 = 1011.17 millibars

Therefore, the new pressure of the gas that initially have a pressure of 853.0 millibars at a temperature of 29.0 °C is 1011.17 millibars.

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