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A Substance Has a Melting Point of 20°C and a Heat

Question 56

Multiple Choice

A substance has a melting point of 20°C and a heat of fusion of A substance has a melting point of 20°C and a heat of fusion of .The boiling point is 150°C and the heat of vaporization is at a pressure of 1.0 atm.The specific heats for the solid,liquid,and gaseous phases are , ,and ,respectively.The quantity of heat given up by 0.50 kg of the substance when it is cooled from 170°C to 88°C,at a pressure of 1.0 atmosphere,is closest to A) 70 kJ. B) 14 kJ. C) 21 kJ. D) 30 kJ. E) 44 kJ. .The boiling point is 150°C and the heat of vaporization is A substance has a melting point of 20°C and a heat of fusion of .The boiling point is 150°C and the heat of vaporization is at a pressure of 1.0 atm.The specific heats for the solid,liquid,and gaseous phases are , ,and ,respectively.The quantity of heat given up by 0.50 kg of the substance when it is cooled from 170°C to 88°C,at a pressure of 1.0 atmosphere,is closest to A) 70 kJ. B) 14 kJ. C) 21 kJ. D) 30 kJ. E) 44 kJ. at a pressure of 1.0 atm.The specific heats for the solid,liquid,and gaseous phases are A substance has a melting point of 20°C and a heat of fusion of .The boiling point is 150°C and the heat of vaporization is at a pressure of 1.0 atm.The specific heats for the solid,liquid,and gaseous phases are , ,and ,respectively.The quantity of heat given up by 0.50 kg of the substance when it is cooled from 170°C to 88°C,at a pressure of 1.0 atmosphere,is closest to A) 70 kJ. B) 14 kJ. C) 21 kJ. D) 30 kJ. E) 44 kJ. , A substance has a melting point of 20°C and a heat of fusion of .The boiling point is 150°C and the heat of vaporization is at a pressure of 1.0 atm.The specific heats for the solid,liquid,and gaseous phases are , ,and ,respectively.The quantity of heat given up by 0.50 kg of the substance when it is cooled from 170°C to 88°C,at a pressure of 1.0 atmosphere,is closest to A) 70 kJ. B) 14 kJ. C) 21 kJ. D) 30 kJ. E) 44 kJ. ,and A substance has a melting point of 20°C and a heat of fusion of .The boiling point is 150°C and the heat of vaporization is at a pressure of 1.0 atm.The specific heats for the solid,liquid,and gaseous phases are , ,and ,respectively.The quantity of heat given up by 0.50 kg of the substance when it is cooled from 170°C to 88°C,at a pressure of 1.0 atmosphere,is closest to A) 70 kJ. B) 14 kJ. C) 21 kJ. D) 30 kJ. E) 44 kJ. ,respectively.The quantity of heat given up by 0.50 kg of the substance when it is cooled from 170°C to 88°C,at a pressure of 1.0 atmosphere,is closest to


A) 70 kJ.
B) 14 kJ.
C) 21 kJ.
D) 30 kJ.
E) 44 kJ.

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