How much heat is produced by combustion of 125 g of methanol under standard state conditions? CH3OH + 3/2 02→ CO2 + 2H20 AHc = -726.1 kJ 1452 kJ 1089 kJ 2833 kJ O 726.1 kJ

Q: Using the following thermochemical equation, determine the amount of heat produced per kg of CO2…

A: Answer:- This question is answered by using the given balanced chemical equation the stoichiometry…

Q: Suppose you burned 1.726 g of benzoic acid, C6H5 CO2H, in a constant volume calorimeter and found…

A: we have to calculate the value of ∆U per mole of benzoic acid

Q: How much heat is liberated at constant pressure if 0.833 g of calcium carbonate reacts with 59.7 mL…

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Q: The heat of combustion for 1.00 mole of carbon to carbon dioxide is -410. kJ. How many kJ of heat…

A: Given : Moles of carbon = 1 mole

Q: At constant volume, the heat of combustion of a particular compound, compound A, is −3520.0…

A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am…

Q: The enthalpy of combustion of benzoic acid is -26.4 kJ/g. What is the enthalpy of combustion…

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Q: Given the standard enthalpy changes for the following two reactions: (1) N2(g) +…

A: The given problem relates to Hess's law, which states that the amount of heat evolved or absorbed in…

Q: When 1.00 g1.00 g of ethanol (C2H5OHC2H5OH)is burned in the air, −29.7 kJ−29.7 kJ of heat energy is…

A: Combustion :- The burning of a compound in excess of  air or oxygen is called combustion . It is an…

Q: The standard enthalpy change for the following reaction is 270 kJ at 298 K. 2 HNO3(g) N2(g) + H2(g)…

A: Heat of formation of HNO3 = -135KJ/mol

Q: 25.0 mL of 1.00 M HCl at 23.5oC react with 25.0 mL 1.00 M NaOH in a styrofoam calorimeter whose…

A: The energy of a system is always conserved. The amount of heat released or absorbed by the reaction…

Q: Given the following reactions: N2(g) + 202(g) –→ 2NO2(g) AH = 66.4 kJ NO(g) + ½ O2(g) → NO2(g) AH =…

A: The enthalpy change is a state function and the Hess law states that the change of enthalpy in a…

Q: What quantity of heat (in kJ) will be released if 1.20 mol of SrO is mixed with 0.911 mol of CO2 in…

A: Given: The number of moles of SrO (Strontium oxide) is 1.20 mol The number of moles of CO2 (carbon…

Q: N2 (g) + O2 (g) 2 NO (g) AH°rxn = +197 kJ %3D NO2 (g) → NO (g) + 1/2 O2 (g) AH°rxn = +89.2 kJ What…

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Q: Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H₂(g) →C4H10(g)…

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Q: what mass of propane musth be burned to provide 1.3x10 exp 8 J? given is 44.09g / -2221 kJ

A: When one mole of a substance is burnt completely under standard conditions, the corresponding…

Q: Nitric acid, HNO3, can be prepared by the following sequence of reactions:4NH3(g) + 5O2(g) ⟶ 4NO(g)…

A: Here we have a multi-step reaction:

Q: 1. Determine the amount of energy released when 93.6 g of liquid butane, C,H10(1 combusted.…

A: The given data: The mass of liquid butane = 93.6 g The enthalpy of formation of the given species is…

Q: Calculate the heat of combustion of 1 mol of ethanol, C2H5OH(l), when the products are CO2(g) and…

A: The combustion reaction taking place is given by  C2H5OH(l) + 3 O2 (g)  -----> 2 CO2 (g) + 3 H2O…

Q: Calculate the standard enthalpy (kJ) change of the preparation of nitric acid below: 4NH3(g) + 502g)…

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Q: From the following enthalpies of reaction H2(g) + F2(g) – 2HF(g) AH = -537 kJ C(s) + 2 F2(g) →…

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Q: In an experiment, a 0.7520 g sample of 1,2-benzenediol (C6H6O₂) is burned completely in a bomb…

A: we have to calculate the molar heat of combustion for 1,2-benzenediol

Q: The following questions refer to the reaction below. N2(g) + O2(g) - 2 NO(g) AH° = 181.8 kJ 1. This…

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Q: What is the quantity of heat evolved at constant pressure when 30.5 g H2O(l) is formed from the…

A:

Q: 25.0 mL of 1.00 M HCl at 23.5oC react with 25.0 mL 1.00 M NaOH in a styrofoam calorimeter whose…

A: Heat of neutralisation of an acid id defined as the amount of heat evolved when one equivalent of an…

Q: Ina constant-pressure calorimeter 50.0 ml of 0.330 m ba(oh)2 was added to 50.0 ml of 0.660 m hcl.…

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Q: Consider the following reaction: CH4 (g) + 202 (g) → CO2 (g) + 2H20(1) AH = -891 kJ How much heat…

A: The heat released per mole of CH4 = ∆Hrxn / Moles of CH4 per reaction (Stoichiometric Coefficient)…

Q: How much heat is produced by combustion of 25.0 g of ethanol under standard state conditions?…

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Q: The complete combustion of propane, C3H8(g) + 5 O2(g) --> 3 CO2(g) + 4 H2O(l) has DH = -2220 kJ. How…

A: In this question, we want to determine how much heat released when 20.0L C3H8 burn in the presence…

Q: Calculate the heat of combustion of methanol, ∆Ho, for ___CH3OH(g) + ____ O2(g) --> ____CO2(g) +…

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Q: The molar heat capacity at constant pressure for CO(g) is 6.97 cal mol-1 K-1. How much heat in cal…

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Q: constant volume, the heat of combustion of a particular compound, compound A, is −3520.0…

A:

Q: In a constant‑pressure calorimeter, 65.0 mL65.0 mL of 0.330 M Ba(OH)20.330 M Ba(OH)2 was added to…

A: First determine the moles of HCl and Ba(OH)2. HCl moles =0.660M×65.0×10-3L=0.0429 molBa(OH)2 moles…

Q: Enthalpy of combustion of the reaction CH, (g)+0,(g) → CO, (g)+H,0(g) is -890 kJ/mol. Calculate the…

A: Given-> CH4(g) + O2(g)--->CO2(g) + H2O(g) ∆H°c= -890 KJ/mol Weight of CH4 = 25.0 gm

Q: What is the standard enthalpy change for the reaction?  2NH3(g)N2H4(l) + H2(g) N2H4(l) + O2(g)N2(g)…

A: If A + B→C + D                ΔH =   ΔH2 then C + D → A + B        ΔH = - ΔH1 and for  2 ( A + B → C…

Q: The balanced chemical equation for the combustion of 1 mol of ethyne gas, C2H2(g), is: C2H2(g) +…

A: The energy difference between the products and reactants is known as the energy change of a…

Q: Benzoic acid is used to determine the heat capacity of bomb calorimeters because it can be obtained…

A: Given that : The energy of combustion (Hcombustion) = -26.43 kJ/g Temperature increase (∆T) =…

Q: Calculate the amount of released heat when 5 kg of methane are used up in the combustion below? CH4…

A: The number of moles of methane equivalent to 5 kg of methane is; 1 kg=1000 gnCH4=5 kg×1000 g/1.0…

Q: For the complete combustion of 1.000 mole of propane gas at 298 K and 1 atm pressure, ∆H

A: Molar mass = 3×12 + 8×1                         = 36 + 8 = 44 g/mol  1mol = 44g of C3H8 released…

Q: Calculate the standard enthalpy change for the reaction 2C8H18() + 1702(g) 16CO(g) + 18H20(). Given…

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Q: What is the quantity of heat evolved at constant pressure when 30.5 g H2O(l) is formed from the…

A:

Q: A piece of metal weighing 5.10 g at a temperature of 48.6 c was placed in a calorimeter in 20.00 ml…

A: On assuming the calorimeter itself absorbs no heat – = (4.184 J/g·°C) x (20.00 g) x (29.2 - 22.1) °C…

Q: PCI5(s) can be prepared by the reaction PCI3() + Cl2(g) - PCI5(s). Calculate the enthalpy change (in…

A: Answer is attached below hope it would help.

Q: A thermodynamic equation shows the enthalpy change of a reaction as a reactant or product. True…

A: Given statement is false ∆H means enthalpy change for reaction, it is difference in Enthalpies of…

Q: A 1.917 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

A: The question is based on the concept of chemical thermodynamics. we have to calculate heat of…

Q: Given the following combustion reaction and its molar enthalpy of reaction: 2NO(g) + O2(g) 2NO2(g)…

A: Given reaction: 2NO(g) + O2(g) → NO2(g)             ΔHo = -112 KJ

Q: When 0.2490 moles of methane, CH4(g) is burned in excess oxygen at thermodynamic standard state,…

A: 0.2490 moles of methane releases 221.74kJ, then1 mol of methane releases ‘x’