enthalpy change

Q: Calculate the enthalpy of the reaction 4B(s)+3O2(g)→2B2O3(s)4B(s)+3O2(g)→2B2O3(s) given the…

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Q: Calculate the ΔH∘rxn for the following reaction         C4H4(g) + 2H2(g) → C4H8(g)…

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Q: How much heat is produced by the complete combustion of 264 gg of CH4CH4?

A: Given:CH4g+2O2g→CO2g+2 H2Og∆Hrxn°=-802.3 kJ

Q: Calculate the value of ΔH (in kJ) for the reaction, 2AR3 (g) + Q (s) → A2R4 (g) + QR2 (s) given…

A: Given Chemical equation   Equation1  ,2AR3 (g) + 2AX (g) → A2R4 (g) + 2XAR (g) ΔH = -87.2 kJ…

Q: Ethane, CH3CH3, is a component of natural gas. How many grams of ethane must burn to release 519kJ?…

A: The stoichrometry of the balanced chemical reaction states that two moles of ethane reacts with…

Q: Propane (C3H8)(C3H8) burns according to the following balanced equation:…

A: The Standard Enthalpy of Formation for the given reaction is given as:

Q: Consider the following reactions:                  C2H6 (g)  +  7/2 O2 (g)  →  2 CO2 (g)  +  3 H2O…

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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: Calculate the value of ΔH (in kJ) for the reaction, 2AR3 (g) + Q (s) → A2R4 (g) + QR2 (s) given…

A: According to law of Laplace and Lavoisier: If any thermochemical balanced reaction is reversed, then…

Q: Propane (C3H8) burns according to the following balanced equation: C3H8(g)+5O2(g)→3CO2(g)+4H2O(g)…

A: The given combustion reaction is given below : C3H8(g)  +  5O2(g)  →  3CO2(g)  +  4H2O(g) Given…

Q: Pentane (C5H12) is a component of gasoline  that burns according to the following balanced equation:…

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Q: 1. Calculate the enthalpy for this reaction: 3NO 2 (g) + H 2 O(ℓ) ---> 2HNO 3 (aq) + NO(g) given…

A: Given reactions are : 1). 2NO (g) + O2 (g) -----------> 2NO2 (g),  ΔH1o = ─ 116 kJ2). 2N2 (g) +…

Q: Calculate  Δ Hrxn for   Ca(s) + 1/2 O2(g) + CO2(g) → CaCO3(s)   given the following set of…

A: Cas+12O2g+CO2g→CaCO3sThe given equation areCas+12O2g→CaOs…

Q: Calculate the value of ΔH (in kJ) for the reaction, 2AR3 (g) + Q (s) → A2R4 (g) + QR2 (s) given…

A: The enthalpy of reaction of given equation can be find using Hess's law of thermodynamics.…

Q: Use the standard reaction enthalpies given below to determine ΔH°rxn for the following reaction   2…

A: Hess' law of constant heat summation: The Hess law states that the change of enthalpy in a chemical…

Q: 2CH3OH(g)→2CH4(g)+O2(g),ΔH=+252.8 kJ   For a given sample of CH3OH, the enthalpy change during the…

A: Given,For a sample of CH3OH, the enthalpy change during the reaction is 82.9 kJ.

Q: Calculate the ΔHrxn∆Hrxn for the combustion of methane shown below: CH4(g)+2O2(g)→CO2(g)+2H2O(l)…

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

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Q: Pentane (C5H12)(C5H12) is a component of gasoline that burns according to the following balanced…

A: We have C5H12(l)+8O2(g)→5CO2(g)+6H2O(g) The standard enthalpy of formation of liquid pentane is…

Q: (a) Consider the following chemical reaction: 3Fe2O3(s) + CO(g) → 2Fe3O4(s) + CO2(g) ΔH = ? Use…

A: Given: The thermochemical data, 4Fes + 3O2g → 2Fe2O3s                      ∆H° = -1652 kJ/mol…

Q: When a 4.456-g sample of margarine is burned with excess oxygen in a bomb calorimeter with a heat…

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Q: Calculate the enthalpy of reaction, ΔHrxn, for 2SO2(g) + O2(g) → 2 SO3(g) Given, S(s) + O2(g) →…

A: Given, S(s) + O2(g) → SO2(g) ΔH= −299 kJS(s) +3/2O2(g) → SO3(g) ΔHsol= −395 kJ Calculate the…

Q: ane (C8H18) is a component of gasoline and combusted ac

A: Amount of energy released or absorbed during a chemical reaction  If energy is released then heat of…

Q: Ozone, O3(g), is a form of elemental oxygen that is important in the absorption of ultraviolet…

A: We know that according to the value of enthalpy change this process is exothermic in nature

Q: Liquefied petroleum (LP) gas burns according to the following exothermic reaction:…

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Q: Calculate the standard enthalpy change for the reaction  2C8H18(l) + 17O2(g) → 16CO(g) + 18H2O(l).…

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

Q: Use the following information to determine the enthalpy for the reaction shown be CHĄ(g) + H2O(g) →…

A: We have to find enthalpy of reaction.

Q: Consider the following reaction:   2 CH3OH(g) → 2 CH4(g) + O2(g)                    DH = 252.8 kJ…

A: NOTE : Since you've posted multiple sub-parts,we'll solve first three sub-parts for you. If you want…

Q: Nitrogen oxide (NO) has been found to be a key component in many biological processes. It also can…

A: The given reaction is for formation of NO2 gas NO(g) + ½O2(g) → NO2(g) ΔH = –57.0 kJ We are to find…

Q: Given the following thermochemical equations, C2 (g) +5/2O2 (g) → 2CO2 (g) +H2O (l) ΔH = −1299.5kJ…

A: Given: C2H2(g)+52O2(g)→2CO2(g)+H2O(l)     ∆H=-1299.5 kJ---eqn(1)C(s)+O2(g)→CO2(g)…

Q: What is the enthalpy change for the first reaction? CH4(g) + 1/2O2(g) → CH3OH(g) ΔH =

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Q: Methanol (CH3OH) can be used as the fuel in a "canned heat" container that is used to keep food hot…

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Q: Octane (C8H18) undergoes combustion according to the following thermochemical equation: 2C8H18(l) +…

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Q: LP gas burns according to the exothermic reaction: C3H8(g)+5 O2(g)→3 CO2(g)+4 H2O(g)ΔH∘rxn=−2044 kJ…

A: Given:The balanced chemical equation:C3H8(g)+5 O2(g)→3 CO2(g)+4 H2O(g)ΔH∘rxn=−2044 kJVolume of water…

Q: Liquefied petroleum (LP) gas burns according to the following exothermic reaction:…

A: The heat capacity is the ratio of the energy supplied in the form of heat to the rise in the…

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

A: The combustion of methanol is given below.