Description 1) A gas is contained in a cubic box whose sides are 3m long. If the gas is initially a ...

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Description 1) A gas is contained in a cubic box whose sides are 3m long. If the gas is initially at 80 K, and it is heated up to 320 K at constant volume, and the initial pressure is 0.5 atmosphere. What is the final pressure? Multiple Choice  A) 1 atmosphere B) 0.125 atmospheres C) 0.5 atmospheres D) 2 atmospheres 2) A WINDOW OF A CAR IS FOUND TO BE COVERED WITH 1.3CM OF ICE. IF THE AREA OF THE WINDOW IS 1 M2, AND THE ICE IS AT -12 DEGREES CELSIUS, WHAT IS THE MINIMUM HEAT REQUIRED TO MELT ALL THE ICE? TAKE THE DENSITY OF ICE TO BE 900 KG/M3, THE SPECIFIC HEAT CAPACITY OF ICE TO BE 0.5 CAL/G*K, AND THE LATENT HEAT OF FUSION TO BE 80 CAL/G. ANSWER IN KCAL. NON MULTIPLE CHOICE  3) WHAT IS THE FINAL TEMPERATURE WHEN 100 G OF IRON AT 90 DEGREES CELSIUS IS PLACED IN 400 G OF WATER AT 25 DEGREES CELSIUS? THE SPECIFIC HEAT CAPACITY OF IRON 0.45 J/G*K AND THE SPECIFIC HEAT CAPACITY OF WATER IS 4.184 J/G*K. A) 30.2 DEGREES CELSIUS B) 26.7 DEGREES CELSIUS C) 93.7 DEGREES CELSIUS D) 21.1 DEGREES CELSIUS