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1. A vacuum gage reads 60.2 cm Hg. Determine the absolute pressure in kPa if the barometer reads 75.7 cm Hg. (The density of mercury is 13,550 kg/m3.)

1. A vacuum gage reads 60.2 cm Hg. Determine the absolute pressure in kPa if the barometer reads 75.7 cm Hg. (The density of mercury is 13,550 kg/m3.)

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Instruction: Show solutions step by step. 1. A vacuum gage reads 60.2 cm Hg. Determine the absolute pressure in kPa if the barometer reads 75.7 cm Hg. (The density of mercury is 13,550 kg/m3.) Ans: 20.6 kPa 2. A gas is enclosed in a vertical, frictionless piston and cylinder arrangement. The surface area of the piston is 20 cm2 and its mass is 5 kg. Calculate the gauge pressure of the gas, in pascals. Ans: 24,520 Pa 3. A Fahrenheit thermometer and a Celsius thermometer indicate the same magnitude of temperature of an object. What is the object's temperature?
Transcribed Image Text:Instruction: Show solutions step by step. 1. A vacuum gage reads 60.2 cm Hg. Determine the absolute pressure in kPa if the barometer reads 75.7 cm Hg. (The density of mercury is 13,550 kg/m3.) Ans: 20.6 kPa 2. A gas is enclosed in a vertical, frictionless piston and cylinder arrangement. The surface area of the piston is 20 cm2 and its mass is 5 kg. Calculate the gauge pressure of the gas, in pascals. Ans: 24,520 Pa 3. A Fahrenheit thermometer and a Celsius thermometer indicate the same magnitude of temperature of an object. What is the object's temperature?
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