The complete combustion of ethanol, C2H50H (1) to form H20(g) and CO2 (g) at constant pressure releases 1235 kJ of heat per mole of C2H5OH. Write a balanced thermochemical equation for this reaction. Show your solution

Q: Acetylene, C2H2, is used in welding torches.  It releases a lot of energy when burned in oxygen.…

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Q: Two substances, A and B, initially at different temperatures, come into contact and reach thermal…

A: The weight of substance A is 6.34 g.The initial temperature of substance A is 20.2˚C. The weight of…

Q: 92kJ of heat

A: Exothermic reaction are those in which more energy is released as compared to initially absorbed. to…

Q: Given the thermochemical equation, calculate the heat evolved (in kJ) when 118 g of SO2 (molar mass…

A: Given: The thermochemical reaction is as follows: 2SO2  +  O2 ------> SO3              H=-198…

Q: Nitric oxide (NO) can be formed from nitrogen, hydrogen and oxygen in two steps. In the first step,…

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Q: Nitric oxide (NO) can be formed from nitrogen, hydrogen and oxygen in two steps. In the first step,…

A: Let us consider; N2(g)+3H2(g)→2NH3(g)                             ;   ∆H1=-92kJ…

Q: Nitric oxide (NO) can be formed from nitrogen, hydrogen and oxygen in two steps. In the first step,…

A: The reactions given are, 1) N2 (g) + 3 H2 (g) -------> 2 NH3 (g)                        ΔH = -92…

Q: Consider the following reaction: CH4 (9) + 20, (9) → CO2 (g) + 2H, O(1) AH=-891 kJ a. Calculate the…

A: We have enthalpy of combustion of methane as -891 KJ. a) we have to calculate the enthalpy change…

Q: Hydrocarbons, compounds containing only carbon and hydrogen, are important in fuels. The combustion…

A: Hi, as you have posted 2 questions and have not mentioned which question we have to solve. Hence we…

Q: Solid potassium chloride dissolves in water according to the equation below. KCl (s) ⟶ K+ (aq) +…

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Q: THERMODYNAMICS: A 1.83 g sample of acetic acid (HC,H30,) was burned in excess oxygen in a bomb…

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Q: Acetylene, C2H2, is a gas used in welding. The heat evolved for the combustion of acetylene is…

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Q: Consider the thermochemical equation for the combustion of acetone (C3H,O), the main ingredient in…

A: Solution :      The heat of reaction is defined as the amount of heat absorbed or released during a…

Q: A student is attempting to determine the heat capacity of a Styrofoam cup calorimeter by pouring hot…

A: Given: Mass of cold water = 22.11 g Mass of hot water = 24.49 g Initial temperature of hot water =…

Q: The enthalpy of combustion of methane gas is -890 kJ/mole. Write a balanced thermochemical equation…

A: Given, ∆H = -890 KJ/mol Mass of CH4 = 48 g

Q: 1. What mass of methane (CH4) must be burned to release 185 kJ of heat?        CH4(g) + 2O2(g)…

A: Molar mass of CH4 = 1 * atomic mass of C + 4 * atomic mass of H = (1 * 12 + 4 * 1) g/mole = 16…

Q: The thermochemical equation showing the formation of ammonia (NH3) from its elements is: N2 (g) + 3…

A: a. Lost to the surroundings when one mole of hydrogen is used up in the reaction. b. Absorbed from…

Q: Nitric oxide (NO) can be formed from nitrogen, hydrogen and oxygen in two steps. In the first step,…

A: The total change in enthalpy for the solution is the sum of all changes regardless of the distinct…

Q: 1) An oxyacetylene torch is a tool that mixes and burns oxygen and acetylene to produce an extremely…

A: The combustion reaction of acetylene gas is represented as follows: 2C2H2(g) + 5O2(g)  →  4CO2(g) +…

Q: A 0.25-g sample of TNT(C7H5N2O6) is to be burned in a bomb calorimeter. The heat capacity of the…

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Q: g) The reaction of barium chloride and aluminum sulfate produces aluminum chloride and barium…

A: heat of combustion is the energy released when 1 mole of a  substance undergo combustion in presence…

Q: A 1.000 g sample of octane (C8H18, molar mass = 114.23 g/mol) is burned in a bomb calorimeter…

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Q: When the fuel mixture contained in a 1.51 L tank, stored at 746 Torr and 298 K, undergoes complete…

A: Volume of container = 1.5 L                    Pressure = 740 torr…

Q: 1. Consider the following reaction:            2CH3OH(g) --> 2CH4(g)+ O2(g)    ΔH= 252.8 kj  (a)…

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Q: A 33.58 g stainless steel ball bearing at 117.82°C is placed in a constant-pressure calorimeter…

A: We are given that the weight of stainless steel ball-bearing is 33.58g and its temperature is…

Q: 61. Consider the thermochemical equation for the combustion of acetone (C3H,O), the main ingredient…

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Q: Acetylene, C2H2, is used in welding torches.  It releases a lot of energy when burned in oxygen.…

A: The given data contains, Q = 48.2  kJMass of acetylene = 0.95 gmass of water = 800 gspecific heat…

Q: nitrogen and hydrogen react to form ammonia: N2(g) + 3 H2(g) 2 NH3(g) AH=-92. kJ In the second step,…

A: The question is based on the concept of chemical thermodynamics. it involves the application of Hess…

Q: The thermochemical equation for the combustion of hexane, C6H14(g), is: 2C,H14(g) + 1902(lg) →…

A: During an exothermic reaction, heat is released and the value of the enthalpy of the reaction is…

Q: Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen…

A: Given data is as follows: N2(g) + 3H2(g) → 2NH3(g)                              ∆H1=-92 kJ…

Q: The combustion of 1.048 g of benzene (C,H6) in a bomb calorimeter surrounded by 945 g of water…

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Q: Acetylene, C2H2, is used in welding torches. It releases a lot of energy when burned in oxygen.…

A: We have given the combustion of 1 g of acetylene releases 48.2 kJ. heat capacity of bomb calorimeter…

Q: To heat the water in a hot spring, coal briquettes are used as fuel. Combustion of one kilogram coal…

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Q: Consider the following reaction: 6 CH. (9) + 20, (g) CO2(9) + 2H,O(1) AH=-891 kJ a. Calculate the…

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Q: Under constant-volume conditions, the heat of combustion of benzoic acid is 26.38 KJ/g. A 2.760-g…

A: The heat of combustion per gram of the new substances is calculated in step two.

Q: The complete combustion of acetic acid, HC2H3O2(l), to form water, H2O(l), and CO2(g), at constant…

A: Here we have to write balanced thermochemical equation and draw an enthalpy diagram-

Q: C2H2 (g) + 3/2 CO2 (g) —> CO2 (g) + H2O (l) ΔH = - 1301.1 kJ For the reaction, 2CO2 (g) + 2H2O (l)…

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Q: 1. Write the thermochemical equation for the following reactions that occur at constant pressure:…

A: The chemical equation is aid to be the thermochemical equation which gives the information about the…

Q: You want to determine the heat capacity of an unknown metal sample in order to help identify it. To…

A: A numerical problem based on heat capacity of an unknown metal, which is to be accomplished.

Q: Methane is a major component of natural gas. Methane burns in air, releasing approximately 890 kJ of…

A: 1 mole of methane releases 890 kJ 0.521 mole of methane releases ___ kJ Heat released = 0.521 mol x…

Q: When burning 0.25 g of CH3OH in a calorimeter bomb with a heat capacity of 1.50 kJ / 0C, it…

A: Heat released by burning of 0.25 g of CH3OH = C∆T…

Q: 22. A 44.97−g sample of water at 72.2°C is added to a sample of water at 25.7°C in a…

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Q: Acetylene, C2H2 , is used in welding torches. It releases a lot of energy when burned in oxygen. The…

A: Given, Acetylene C2H2 Combustion of 1 g of acetylene releases  48.2 kJ  Mass of acetylene = 0.750 g…

Q: Consider the following reaction: 2CH3OH(g)→2 CH4(g) + O2(g) H=+252.8 kJ a. Is this reaction…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: What is the molar heat of combustion of butane, C4H10, if combustion of 2.00 g of butane causes a…

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Q: Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen…

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Q: 2 NO(g) + O2(g) ––––> 2 NO2(g); ∆H° = –114.4 kJ Given the thermochemical equation above, how much…

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Q: A student is attempting to determine the heat capacity of a Styrofoam cup calorimeter by pouring hot…

A: Given: Cold Water : Mass = 21.2455 g                       Initial Temperature = 20.36oC…

Q: a reaction causes 20.0 mL of water to decrease temperature by 4.72 oC at constant pressure, what…

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