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The root mean square speed of H2 molecules at 25 °C is about 1.6 km/s. What is the root mean square speed of a N2 molecule at
7.(3 ponts) An aluminum kettle weighs 1.05 kg. a. What is the heat capacity of the kettle?
1. (2 points) Using the table of standard enthalpies of formation, answer the questions below: a. What mass of carbon monoxid
Calculate the heats of combustion for the following reactions from the standard enthanlpies of formation Remember to balance
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Answer #1

Criven data, Temperature, T=252+273 = 298k Molar mass of Hz = 21019[mo) = 2:01xio kg/mol We knoce that - - - - rm8 = J 3RT 34

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