Use the GRASS method to solve the following problem. Show your work and round
your answer to the nearest penny.
Phantom power use refers to the power used by a device in standby mode, such as a
game system that is not unplugged when not in use. A PS4 uses 300 W of power
while operating and 10W of power while turned off but plugged in. If you use it for 4
hours in a day, and the average unit cost of electricity is $0.125 per kWh that day,
calculate the total cost for the electricity it uses that day. (5 marks: 1 mark for each
correct step in the GRASS method
Answers: 2
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Abag of potato chips contains 2.00 l of air when it is sealed at sea level at a pressure of 1.00 atm and a temperature of 20.0 deg c. what will be the volume of the air in the bag if you take it with you, still sealed, to the mountains where the temperature is 7.00 deg c and atmospheric pressure is 70.0 kpa? assume that the bag behaves like a balloon and that the air in the bag is in thermal equilibrium with the outside air.
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Use the GRASS method to solve the following problem. Show your work and round
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