Can someone help me work these out?

Chemistry
Tutor: None Selected Time limit: 1 Day

  1. A sample of neon gas exerts a pressure of 120kPa when the temperature is 400K. What pressure is produced when the temperature is raised to 600K?
  2. At what Kelvin temperature will a sample of gas occupy 12 liters if the same sample occupies 8 liters at 27°C?
  1. At a constant pressure, a sample of gas occupies 420mL at 210K.  What volume does the gas occupy at 250K?
May 13th, 2015

1. P1=120kPa, T1=400K, T2=600K

P1T1=P2T2, so P2=P1T1/T2=(120*400K)/600K=80kPa

2. 27°C=300K

V1T1=V2T2, so T2=(V1T1)/V2=(8*300)/12=200K


1. V1T1=V2T2, so V2=(V1T1)/T2=(0.42L*210K)/250K=0.3528L=352.8mL=353mL

May 13th, 2015

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