Solid urea, (NH2)2CO, burns to give CO2,N2, and liquid H2O. Its heat of combustion is -632.2 kJ/mol. Balance the equation for combustion of urea, and calculate the heat generated per mole of H2O formed. (Enter in kJ.)

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Q: , how many grams of aluminum can form when 1000 kJ of heat is transferred?

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Q: What mass of methane, CH4(g) in kg must be burned to liberates 2.80x10^7 KJ of heat if the heat of…

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A: According to balanced chemical equation, 234 kJ of heat is released when 1 mole of SrO reacts with 1…

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A: Given reaction Al2O3(s) →∆2 Al(s)+ 32 O2 (g)            , ∆H= 1676 kJ Heat transfer = 1.000x103 KJ

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Q: The heat of combustion (∆H) for propane (molar mass 44.11 g/mol) is -2222 kJ/mol. The heat generated…

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A: Given data,Mass of Al engine(mAl)=3.01Kg=3010gInitial temperature of Al engine(TAl)=129.6oCInitial…

Q: When a 0.7521 g sample of benzoic acid was burned in a calorimeter containing 1000. G of water, a…

A: Given,Benzoic acid is 0.7521 g is burned in a calorimeter containing 1000. g of water,Temperature…

Q: How many joules of heat are evolved by a reaction in a calorimeter where the temperature of the bomb…

A: We know that,  Heat = m x c x ∆T  Where, m = mass  c = specific heat  ∆T = change in temperature

Q: What mass of natural gas (CH,) must burn to emit 263 kJ of heat? CH4 (9) + 202 (9) → CO2 (g) +…

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Q: The balanced combustion reaction for C, H, is 2CH,) + 150,g) - 12 CO,(g) +6H,O(1) + 6542 kJ If 6.700…

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Q: A 1.200 g sample of ZnCO3 (s) dissolved in 40.0 mL of a dilute HCl solution (density = 1.10 g/mL) in…

A: The reactants are zinc carbonate and dilute hydrochloric acid.

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Q: Copper has been used for thousands of years, either as a pure metal or in alloys. It is frequently…

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Q: The flame in a torch used to cut metal is produced by burning acetylene (C2H2)(26.04 g/mol) in pure…

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Q: A potted plant is placed under a grow lamp, which provides 6,200 J of energy that raises the…

A: The answer is given as follows

Q: 2. A calorimeter and its contents have a heat capacity of 70. J/°C. A reaction occurs in this…

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A: Given : enthalpy change for the reaction = -5600KJ/mol

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Q: Charcoal is primarily carbon. What mass of CO2 is produced if you burn enough carbon (in the form of…

A: The mass of CO2 produced when 5.4 x 102 kJ of energy is produced is calculated as,