11) If a gas occupies 5 L at 298 K, what temperature is needed to reduce the vol

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Question

11) If a gas occupies 5 L at 298 K, what temperature is needed to reduce the volume to 2 L if the pressure does not change?

12) AN AUTOMOBILE TIRE IS INITIALLY AT 32 PSI (2.17 ATM) AT A TEMPERATURE OF 25 °C. WHAT IS THE PRESSURE AFTER 100 MI OF DRIVING IF THE TIRE’S TEMPERATURE IS NOW 50 °C AND THE TIRE’S VOLUME REMAINS CONSTANT?

13) If a gas occupies 2 L at 3 atm, how many liters will it occupy at 6 atm if the temperature is not changed?

14) Cyclopropane is a general anesthetic. A 5.0-L sample has a pressure of 5.0 atm. The volume of the anesthetic given to a patient at a pressure of 1.0 atm is _______.

1 L 2 L 3 L 4 L

Explanation / Answer

11)

According to charles' law

V1/T1 = V2/T2

T2 = V2T1/V1 where,

V1 = initial volume = 5.0 L

V2 = final volume = 2.0 L

T1 = initial tempreture = 298 K

T2 = final tempreture = ?

Substitute the value in above equation

T2 = 2.0 X 298 / 5.0 = 119.2 K

At 119.2 K volume of gas 2.0 L

outside tempreture is = 20.160 C

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11) If a gas occupies 5 L at 298 K, what temperature is needed to reduce the vol

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