C2H5OH + 3O2 → 2 CO2 + 3H2O      ΔH = -1366.7 kJ/mol What is the amount of heat produced when 12.52 grams of ethanol are reacted with excess oxygen? (C2H5OH, MM = 46.08 g/mol) Group of answer choices 782 kJ -371 kJ -782 kJ +371 kJ

Q: Ammonia reacts with oxygen according to the equation:

A: Thermodynamics is the branch of chemistry that mainly deals with the heat transfer between system…

Q: A chemist must add 3,352 kJ of heat to 2 mol solid Al2O3 to cause it to break down to form 4 mol…

A: Given: Heat supplied to solid Al2O3 = 3352kJno of moles of Al2O3 taken  = 2molno of mol of Al formed…

Q: Based on the balanced thermochemical equation: 4 NO + 6 H2O → 4 NH3 + 5 O2   ΔH = +(8.10x10^2) kJ…

A: The chemical equation is: 4 NO + 6 H2O → 4 NH3 + 5 O2  Given, ∆H = 8.10x102 kJ Mass of NO =…

Q: Calculate the energy (in kJ) required to heat 0.675 grams of water from -40.3 ℃ to 113.6 ℃

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Q: ve the brown gas NO2. When one mole of NO reacts with oxygen, 57.0 kJ of heat are evolved. Which of…

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Q: Calculate the energy (in kj) required to heat 0.282 grams of water from -43.3 Celsius to -5.1

A: Heat required , Q=mc ×temperature difference.

Q: Bunsen burners use methane (CH4). The required amount of heat to make my morning coffee is 109.8 kJ.…

A: The given reaction is as follows: CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)                  ∆H=-802.30 kJ…

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A: A numerical problem based on thermochemical reaction, which is to be accomplished.

Q: In a certain experiment, 0.7000 mol of hydrogen gas reacted with 0.7000 mol of solid iodine at a…

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Q: Given the thermochemical equation 2SO2(g) + O2(g) → 2SO3(g)          ΔH= –198 kJ/mol How much heat…

A:

Q: In a certain experiment, 0.7000 mol of hydrogen gas reacted with 0.7000 mol of solid iodine at a…

A:

Q: Ammonia will burn in the presence of a platinum catalyst to produce nitric oxide, NO. 4NH3 (g) +…

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Q: A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat…

A:

Q: Consider the reaction, C2H4(G) + H2(G) -> C2H6(G), where -137 kj of heat is released. How many…

A: Moles of C2H4 = 3.5 Heat =?

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Q: 30.0 g H2O at an unknown temperature is mixed with 27.0 g of water at 15.8°C in a coffee-cup…

A:

Q: What is the maximum amount of heat (in kJ) that can be released when 27.2 g of hydrogen sulfide gas…

A: Given mass of H2S = 27.2 g molar mass of H2S = 34.1 g/mol

Q: When one mole of gaseous ethanol, C 2H 5OH, reacts with three moles of gaseous oxygen, two moles of…

A:

Q: A sample of octane is burned in a bomb calorimeter containing 1.00x10² g H2O. If the water…

A: Given the mass of water, m = 1.00*102 g  Initial temperature, Ti = 25.00 oC  Final temperature, Tf =…

Q: The heat of combustion is the energy liberated when a substance undergoes complete combustion, at…

A: Combustion reactions are exothermic reactions because they give a lot of energy.

Q: CaCO3(s) + 2 HCl(aq) –––> CaCl2(aq) + H2O(l) + CO2(g); ∆H° = -15.2 kJ Given the thermochemical…

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Q: CH4 instead of water. The enthalpy Imagine a person sweats for evaporating liquid CH4 is +8.2…

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Q: Given the following information, what is the amount of heat generated when 10 grams of N2H4(g) is…

A: Given data,Mass of N2H4=10gMass of NO2=10g∆HN2H4=+95.4kJ/mol∆HNO2=+33.1kJ/mol∆HH2O=-241.8kJ/mol

Q: Given the following thermochemical equation: H2(g) + Br2(l) ⟶⟶ 2HBr(g)            ΔH = -72.4 kJ…

A:

Q: Propane, C3H8 (approximate molar mass = 44 g/mol) is used in gas barbeques and burns according to…

A: Given: Combustion reaction of propane (C3H8) as follows: C3H8 (g) + 5 O2 (g) → 3CO2 (g) + 4H2O (g)…

Q: A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat…

A: The heat of a substance is given as :

Q: If the heat produced by the reaction of combustion of 1 mole of ethanol (MMethanol" 46.07 g/mol) is…

A: Answer :- 4.60 × 103 (kJ/mol)  Heat produced by combustion of 155 g Ethanol, C2H6O = 4.60 × 103…

Q: If all of the energy from burning 393.0 g of propane (ΔΔHcomb,C3H8 = –2220 kJ/mol) is used to heat…

A: According to first law of thermodynamics, total energy is conserved but can be transformed from one…

Q: 6. Find the amount of heat given off from combustion of 330 g of CH₂OH, according to the equation…

A: Given, Note: the equation is not balanced: CH3OH(l) + 3O2(g) ---> 2CO2(g) + 4H2O(l)  Balancing…

Q: 6.139 Hydrogen is burned in oxygen to release heat (see equation below). How many grams of hydrogen…

A: To solve this problem first we have to calculate the amount of energy required and then tha mass of…

Q: A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat…

A: Solution :       The calorimeter is an instrument that is used to measure the specific heat of a…

Q: Ammonia will burn in the presence of a platinum catalyst to produce nitric oxide, NO, 4NH3 (9) +…

A:

Q: heat in kJ

A:

Q: Consider the following thermochemical equation: 2 NO, 2NO, AH = -114.1 kJ 02(g) (g) 2(9) Choose...…

A: 2NOg    +     O2g       →      2NO2g ∆H = -114.1kJ Molar mass of NO2 = 46gmol

Q: A chemist measures the energy change AH during the following reaction: 2 H₂O(1)→ 2 H₂(g) + O₂(g) ΔΗ=…

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Q: Determine the heat of formation of hexane given that the combustion of 15.0 g of hexane (C6H14) can…

A: Given: The reaction for the combustion of C6H14 is as follows: 2C6H14(g) + 19O2(g) ----------->…

Q: A piece of unknown metal with a mass of 23.78 g is heated in boiling water to 97.4°C and then…

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Q: According to the following thermochemical equation, how much heat is produced when 3.85 g of CH. is…

A: The answer to the following question is given as:

Q: en the thermochemical equation 2S02(g) +02(g)-2S03(g). AH'pxn=-198 kJ/mol, how much heat is evolved…

A: Heat of formation of reactions is -198kj/mol

Q: A 146.3g piece of iron (specific heat = 0.449 J/g°C) is heated with a flame and dropped into a coffe…

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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…

A: Given that,One mole of acetylene release heat = 1251 KJMolar mass of acetylene = 26.04g/moleThe…

Q: What mass of methane (CH4) must be burned to release 185 kJ of heat?        CH4(g) + 2O2(g) à…

A:

Q: Ethyl alcohol, C2H5OH, has a specific heat of 2.40 ?? °?. Which of the following statements best…

A: Specific heat = 2.40 J /g °C  Which statement is best described :  a) It takes 1 joule of energy to…

Q: Q1) What is the molar heat of combustion of methanol CH;OH ( in kJ/mol), if the combustion of 1.0 g…

A: In this question, we want to determine the value of heat of Combustion of methanol CH3OH ( in…

Q: If all of the energy from burning 294.0 g of propane (ΔΔHcomb,C3H8 = –2220 kJ/mol) is used to heat…

A: Given information:Mass of propane = 294.0 gInitial temperature = 20.0 ˚CFinal temperature = 100.0…

Q: In an experiment, a 1.1250 g sample of β-D-fructose (C6H12O6) is burned completely in a bomb…

A: Answer: -2709.88 KJ/mol

Q: Based on the thermochemical equation: 4 NH3 + 5 O2 → 4 NO + 6 H2O  ΔH = -906 kJ, how many kJ of heat…

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Q: Given the thermochemical equation, calculate the heat evolved (in kJ) when 78.9 g of SO2 (molar mass…

A: Note - Since you have asked multiple questions, we will solve the first question for you. If you…