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Three thermometers are placed in a closet, insulated box and are allowed to reach thermal equilibrium. One is calibrated in Fahrenheit degrees, one...

Three thermometers are placed in a closet, insulated box and are allowed to reach thermal equilibrium. One is calibrated in Fahrenheit degrees, one in Celsius degrees, and one in Kelvins. The Celsius thermometer reads -40 degrees; Celsius and the Kelvin thermometer read 233K.  Which of the following statements is necessarily true?
A) If the temperature of the contents is increased by 10 C degrees, the reading on the Kelvin thermometer should increase by 273 K
B) The Kelvin thermometer should read -233 K.
C) The fahrenheit thermometer must read -40 degrees F
D) If water were found within the box, it must be in the liquid state.
E) The Kelvin thermometer should read -313K
And
A child wants to pump up a bicycle tire so that its pressure is 1.2x105 Pa above that of atmostpheric pressure. If the child uses a pump with a circular piston 0.035m in diameter, what force must the child exert?

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