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A student collects 530 mL of CO gas at a pressure of 1.2 atm and a temperature of 17ºC. What is the volume of the gas at 0ºC and 1 atm?

Answer :

Final answer:

Under standard conditions (0ºC and 1 atm), the volume of the CO gas collected by the student would be approximately 503.3 ml.

Explanation:

The student collects 530 ml of CO gas at a pressure of 1.2 atm and a temperature of 17ºC, and wants to know the volume of the gas at 0ºC and 1 atm. The problem is describing a change in conditions of a gas sample, and such situations can be solved using the combined gas law, which states that the product of the initial pressure and volume divided by the initial temperature is equal to the product of the final pressure and volume divided by the final temperature. Since the pressure at initial and final condition is the same (1.2 atm), we can simplify the combined gas law to Charles' Law for this particular question. Here's what that calculation will look like:

V1/T1=V2/T2

Remember, you must convert Celsius to Kelvin for these calculations. Kelvin = Celsius + 273.15. So, V2 can be found by rearranging the equation to V2=V1*(T2/T1). Resulting V2=530ml*(273.15K/290.15K)=503.3 ml (approximately).

The volume of the CO gas in standard conditions (0ºC and 1 atm) would be approximately 503.3 ml, assuming that the collected gas behaves ideally.

Learn more about Gas Laws here:

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