Methanol (CH3OH) can be used as the fuel in a "canned heat" container that is used to keep food hot on a buffet table.  The combustion of methanol can be described by the following BALANCED thermochemical equation: 2 CH3OH(l)  +  3 O2(g)  →  2 CO2(g)  +  4 H2O(g)   ΔH° = –1199 kJ

Q: The combustion of 0.1582 g benzoic acid increases the temperature of a bomb calorimeter by 2.58°C.…

A: we have to calculate heat capacity of calorimeter  energy of combustion per gram of vanillin…

Q: A scientist measures the standard enthalpy change for the following reaction to be 74.8 kJ: 2HBr(g)…

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Q: Iron(III) oxide reacts with carbon monoxide to produce elemental iron and carbon dioxide. Determine…

A: To solve this problem we have to calculate the enthalpy change of the reaction .

Q: Calculate the enthalpy of reaction (ΔHrxn), in kJ, for the following reaction: Fe2O3(s) + 3 CO(g) →…

A: According to Hess's law change of enthalpy in a chemical reaction is same regardless of whether the…

Q: Magnesium burns in air to produce a bright light and is often used in fireworks displays. The…

A: Given :-  2Mg(s) +O2(g) 2MgO(s)    ; ∆Ho = -1203 kJ  mass of Mg burns = 6.82 g  To calculate :-…

Q: CaO(s) reacts with water to form Ca(OH)2(aq). If 6.66 g CaO is combined with 99.84 g H2O in a coffee…

A: Given data,Mass of CaO=6.66gMass of water=99.84gInitial temperature=20oCFinal…

Q: 1.435 g of naphthalene (C10H8) is burned in a bomb calorimeter. There is exactly 2000.0 g of water…

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Q: You wish to find the enthalpy for the reaction 6 GeI₄ (s) + 14 NH₄I (s) → 3 Ge₂H₆ (l) + 7 N₂ (g) +…

A: The above question is based on the Hess's law: It is defined as the total change when happened…

Q: Use the following information to determine the enthalpy for the reaction shown below. CS2(l) +…

A: The enthalpy of the reaction is calculate using Hess' law. This law states that regardless the…

Q: The standard enthalpy change for the following reaction is -851 kJ at 298 K. 2 Na(s) + O2(g) +…

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Q: How much heat is produced by the complete reaction of 6.81 kg of nitromethane? Nitromethane (CH3NO2)…

A: According to the given balanced chemical reaction,

Q: Magnesium metal reacts with HCl according to the following balanced equation: Mg(s)  +      2 HCl…

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Q: When methanol, CH3OH, is burned in the presence of oxygen gas, O2, a large amount of heat energy is…

A: Since from the above reaction we can say that the heat produced by burning 1 mole of methanol is…

Q: Sulfur trioxide can be removed from the exhaust gases of power plants by reaction with lime…

A: Balanced chemical equation: CaO(s) + SO3(g) ------> CaSO4 (s) ΔH ° = –886 kJ  This shows that…

Q: Below is the chemical equation for the combustion of methanol (CH4O).  How many grams of methanol…

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Q: You wish to find the enthalpy for the reaction 6 GeI₄ (s) + 14 NH₄I (s) → 3 Ge₂H₆ (l) + 7 N₂ (g) +…

A: The objective of this question is to calculate the enthalpy change for the given reaction using the…

Q: Determine the enthalpy change for the following reaction when 10.9 g of NH3 is formed. N2 (g) + 3…

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Q: Nitromethane (CH3NO2), sometimes used as a fuel in drag racers, burns according to the following…

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Q: Calculate the ΔH°rxn for the reaction shown below. 3 NO2(g) + H2O(ℓ)  →  2 HNO3(aq) + NO(g)…

A: ΔH°rxn is Standard Enthalpy of reaction .  Standard Enthalpy of the following reaction is to be…

Q: The standard enthalpies of combustion (ΔH°comb) of C6H6(g) and C2H2(g) are –3301 kJ/mol and –1300…

A: Given combustion reaction; C6H6 (g)  →  3C2H2 (g) ΔH°comb of C6H6 (g) = -3301 KJ/mol ΔH°comb   for…

Q: Use the example shown to calculate the reaction enthalpy, ΔH, for the following reaction:…

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Q: Find ΔHrxn for the reaction:                3 H2(g) + O3(g) → 3 H2O(g)         Using the following…

A: Reactions with known enthalpy changes are the following. H2Og→H2g+12O2g       ∆Hreaction=+241.8 kJ…

Q: Methanol, CH3OH(g), is a possible automobile fuel. The alcohol produces energy in a combustion…

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Q: Methanol can be synthesized from graphite according to the following reaction, calculate the…

A: The thermochemical equations can be treated as algebraic equation which can be added,  subtracted,…

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A: Given mass of NH4NO3 is 15.44 g  Given mass of water is 150.00 g and heat capacity of water is 4.184…

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A: Given:mass of CuCl2 = 3.88 gmass of H2O = 101.30 gTemperature change from 22.80 to 26.19 °Cheat…

Q: Consider the hypothetical thermochemical equation 3 A + B → 2 C for which ΔH = 58.7 kJ/mol. If the…

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Q: A 1.00-g sample of hexane, C6H14, undergoes complete combustion with excess O2 in  a bomb…

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Q: The complete combustion of propane, C 3H 8(g), is represented by the equation:  C 3H 8(g) + 5 O 2(g)…

A: when the heat is evolved in a reaction then that reaction is known as exothermic reaction.  The…

Q: A chemist measures the enthalpy change ΔH during the following reaction: 2Al(OH)3(s)→Al2O3(s)+…

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Q: The decision of whether to use gas, oil, electricity, or wood to heat your home comes from many…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: Calcium hydroxide is prepared by adding calcium oxide to water: CaO (s) + H2O (l) → Ca(OH)2 (s)…

A: Given, Calcium hydroxide is prepared by adding calcium oxide to water: CaO (s) + H2O (l) → Ca(OH)2…

Q: 372.5

A: Given: PCl5(g)  →  PCl3(g)  +  Cl2(g)    ΔH-? P4(s)  +  6Cl2(g)  →  4PCl3(g)            ΔH = -2439…

Q: Hydrogen sulfide, H2S, is a foul-smelling gas. It burns to form sulfur dioxide. 2 H2S(g) + 3 O2(g)…

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Q: Meals-ready-to-eat (MREs) are military meals that can be heated on a flameless heater. The heat is…

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Q: When 3.50 g of Ba(s) is added to 100.00 g of water in a container open to the atmosphere, the…

A: GivenMass of Ba(s) = 3.50gMass of water = 100.0gSpecific heat of solution = 4.18 J/g°CTemperature…

Q: Consider the hypothetical thermochemical equation 3 A + B → 2 C for which ΔH = 63.1 kJ/mol. If the…

A: 3A + B -> 2C