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The standard enthalphies of formation

The standard enthalphies of formation of ozone, O3(g), and oxygen atoms are +142.70 and +249.17 kJ/mol. Calculate the reaction
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2. asked by Sam
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Calculate the standard entalphy of formation of naphthalene(C10H8) from the following data:1) standard enthalphy of combustion
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2. asked by Sarah
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A scientist measures the standard enthalpy change for the following reaction to be -2923.0 kJ :2C2H6(g) + 7 O2(g) 4CO2(g) + 6
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2. asked by Anonymous
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A scientist measures the standard enthalpy change for the following reaction to be -172.4 kJ :2SO2(g) + O2(g) 2SO3(g) Based on
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2. asked by jojo
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Calculate the enthalpy of reaction from the standard enthalpies of formation of the reactant and product molecules.2C2H6+7O2-->4
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2. asked by Betsie
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If calcium carbide has a standard enthalpy of formation of -59.8 kJ/mol and acetylene has a standard enthalpy of formation of
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2. asked by Kelly
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Calculate the heat of combustion of candle wax in kJ/mole. The standard heat of formation (∆Hf ) of candle wax (C20H42) is
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2. asked by emma
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c. Use the enthalpy diagram provided above and apply Hess’s Law to determine the standard enthalpy of formation for
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2. asked by Nora
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C2H4(g)+ 3O2(g) --> 2 CO2 (g) + 2H2O (l)The complete combustion of 11.22g of ethylene, C2H4 (g), via the given equation,
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2. asked by cancan
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The standard molar enthalpies of formation of H2O(l) are given as:H2(g) + 1/2 O2(g) → H2O(l) △f Ho = –285.8 kJ/mol What
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