J g to kj mol
Chapter 11: Intermolecular Forces and Liquids and Solids
The heat capacity of liquid water is 4.18 J/g·°C and the heat of vaporization is 40.7 kJ/mol. How many kilojoules of heat must be provided to convert 1.00 g of liquid water at 67°C into 1.00 g …
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Jul 08, 2013 · ClF + F2 → ClF3 ΔH = -108.7 kJ/mol. Is the reaction exothermic or endothermic? A) exothermic 17. Perform the indicated conversion: 1.345 kcal ( ____ J. A) 5.627x103 J 18. In the equationΔE = q + w , the q represents. E) heat. 19. Consider the following standard heats of formation: CO2(g) = -393.5 kJ/mol. PbO(s) = -151.6 kJ/mol. CO(g) = -110 ...
[DOC File]Unit 2 Assignment: Thermochemistry
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The heat of fusion of naphthalene is 191.2 kJ/mol. 17. Using the data below, calculate the amount of energy in kJ required to melt a 16.2 g aluminum pop can. Assume that the initial temperature of the aluminum is 20oC. Give your answer to two decimal places. Molar heat of fusion of Al (s) = 10.7 kJ/mol . Melting point of aluminum = 660oC
[DOC File]Energy, Work, Heat, Temperature
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The unit for this is kJ/mol. Sometimes you see older references that use kcal/mol. The conversion between calories and Joules is 4.184 J = 1.000 cal. Sometimes you also see this number expressed "per gram" rather than "per mole." For example, water's molar heat of vaporization is 40.7 kJ/mol. Expressed per gram, it is 2261 J/g or 2.26 kJ/g.
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(H products = 967.2 kJ/mol. 2H2O(g) ( 2H2(g) + O2(g) (H= + 483.6 kJ/mol Type of Reaction: Endothermic (H reactants = 967.2 kJ/mol (H products = 1450.8 kJ/mol. d. Hess’s law provides a method for calculating the (H. of a reaction from tabulated data. This law states that if two or more chemical equations are added, the
[DOC File]Thermochemistry Exam Review Questions
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0.332 J/(g (C) 0.450 J/(g (C) 21.6 J/(g (C) 321 J/(g (C) What is the (H value for an exothermic energy change? always negative. always positive. could be positive or negitive. depends one the potential energy of the reactants How much heat is required to vaporize 15.8 g CH3OH (l) at its boiling point? ((Hvap = 38.0 KJ/mol) 2.41 kJ. 18.8 kJ. 77 ...
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