anonymous
  • anonymous
Choose the best answer from the choices. The temperature of an ideal gas remains constant at 320 K while the absolute pressure changes from 101 kPaa to 825 kPaa and the initial volume is 0.10m^3 A.Find the final volume of the gas. a) 0.012m^3 b)0.120m^3 c)0.021m^3 d)0.210m^3 B. Determine the mass of the gas of the molceular mass is 29kg kgmol. a)1.070kg b)0.107kg c)0.017kg d)0.701kg
Thermodynamics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
Use your ideal gas law. \[{P_i V_i \over n_i R T_i} = {P_f V_f \over n_f R T_f}\] R is a constant, it cancel out. n will remain the same, it goes away. T is said to be constant, it cancels out. You're left with \[P_iV_i = P_f V_f\]
anonymous
  • anonymous
The ideal gas law is also used for the second one. Realize that \[n = {m \over M}\] where m is the mass (in kg) and M is the molar mass (in kg/kmol). Pick any of the two states (initial or final), plug in values, and solve.

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