High School

A 5.00-L tank contains helium gas at 1.50 atm. What is the pressure of the gas in kPa?

A. 5.00 kPa
B. 1140 kPa
C. 152 kPa
D. 0.0148 kPa
E. 760 kPa

Answer :

Final answer:

The pressure of the helium gas in the tank, given in atmospheres, can be converted to kilopascals using the conversion factor 1 atm = 101.325 kPa. The pressure thus calculated is 152 kPa.

Explanation:

The pressure of gas given is in atmospheres (atm), and we want to convert it to kilopascals (kPa). In order to do this, we need to utilise the conversion factor: 1 atm = 101.325 kPa. Therefore, to calculate the pressure in kPa, you simply multiply the given pressure in atmospheres by the conversion factor.

For this particular gas tank, the calculation will be: 1.50 atm * 101.325 kPa/atm = 152 kPa.

The fact that the tank contains helium or its volume is 5.00-l are not relevant in this case. The pressure of a gas in a container (at a set temperature) is independent of the type of gas or the volume of the container.

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