A 622 kg piece of copper metal is heated from 205 C to 3243 C Calculate the

A 622 kg piece of copper metal is heated from 205 c

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3.A 6.22 kg piece of copper metal is heated from 20.5 °C to 324.3 °C. Calculate the heat absorbed (in kilojoules) by the metal. Specific heat Cu = 0.385 J/g°C. 4.A sheet of gold weighing 10.0 g and at a temperature of 18.0 °C is placed flat on a sheet of iron weighing 20.0 g and at a temperature of 55.6 °C. What is the final temperature of the combined metals? Assume that no heat is lost to the surroundings.(5 points) 5.A 0.1375 g sample of solid magnesium is burned in a constant-volume bomb calorimeter that has a heat capacity of 3024 J/°C. The temperature increases by 1.126°C. Calculate the heat given off by the burning Mg, in kJ/g and in kJ/mol. (5 points) 6.Calculate the heat of decomposition for this process at constant pressure and 25°C:(10 points) g ) 2 Copyright © 2014 by Thomas Edison State College. All rights reserved.

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