What is the number of moles of the helium gas

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A balloon is inflated with helium gas to a pressure of 100 kPa gauge. The volume of the balloon is 0.4m^3. The initial temp is 20 degrees C. The helium gas can be treated as an ideal gas. the atmospheric pressure is 101.3 kPa

a. what is absolute pressure of the helium gas?

b. Temp in kelvin is 273

c. What is the number of moles of the helium gas?

d. if temp drops to 0C what is new volume? (Assume pressure remains constant

e. what is the work done during the process?

Reference no: EM13707369

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