From the following enthalpies of reaction: H2(g)+F2(g)→2HF(g),ΔH=−537kJ C(s)+2F2(g)→CF4(g),ΔH=−680kJ 2C(s)+2H2(g)→C2H4(g),ΔH=+52.3kJ calculate ΔH for the reaction of ethylene with F2: C2H4(g)+6F2(g)→2CF4(g)+4HF(g)

Q: For the chemical reaction Ca (s) + ½ O2 (g) → CaO (s) AH° = -635 kJ/mol. What is the enthalpy for…

A: The change in enthalpy of a reaction is used to determine the endothermic reaction or exothermic…

Q: Calcium hydroxide, which reacts with carbon dioxide to form calcium carbonate, was used by the…

A: Given, moles of CaCO3 formed = 3.8 mol

Q: Given the standard enthalpy changes for the following two reactions: (1) 4C(s) +…

A: The 2 reactions given are (1) 4C(s) + 5H2(g) ------> C4H10(g)...... ΔH° = -125.6 kJ(2) C2H2(g)…

Q: For the chemical reaction H₂ (g) + F₂ (g) → 2 HF (g) ∆H° = -79.2 kJ/mol. What is the enthalpy (in…

A: The reaction given is, => H₂ (g) + F₂ (g) → 2 HF (g)…

Q: what is the standard enthalpy of reaction?   CO(g)+H2O(g)⟶CO2(g)+H2(g)

A: The standard free energy of formation can be defined as the change in energy which occurs when a…

Q: When 3 moles of C is formed, what is the change in enthalpy? 3A + 6B + 5 kJ → 2C

A: Answer given below

Q: Given the standard enthalpy changes for the following two reactions: (1) 2C(s) +…

A: According to Hess's law, the enthalpy change of the final reaction can be calculated by adding the…

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

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Q: A system takes in 0.430 kJ of heat while it does 0.830 kJ of work on the surroundings. What is the…

A:

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: What mass of octane (C8H18) must be burned in order to release 5340 kJ of heat? DHcomb = – 5471…

A: Heat of reaction or enthalpy change ∆Hrxn is defined as heat released and absorbed during a…

Q: Given the standard enthalpy changes for the following two reactions: AH = -325.1 kJ (1) Sn(s) + Cl₂…

A: We have to predict the standard enthalpy change for given reaction.

Q: The standard enthalpy change for the following reaction is 401 kJ at 298 K. 2 CH3OH(g)2…

A: • Given,         2 CH3OH(g) → 2C(s,graphile) +4H2(g)+O2(g),                              ∆H°=401 KJ…

Q: Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H2(g) C¾H10(g) AH°…

A: The enthalpy change accompanying a chemical reaction during the transformation of 1 mol reactants to…

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

A:

Q: The enthalpy for the formation of 1 mole of NH3(aq) is -80.29 kJ/mol. What is the enthapy for the…

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Q: Given the standard enthalpy changes for the following two reactions: (1) 4C(s) +…

A: • The required thermochemical equation is,  2C2H4(g)+ H2(g) → C4H10(g) ; ∆H° = ?    • The given…

Q: Given the standard enthalpy changes for the following two reactions: ΔΗ° = 9.2 kJ (1) N₂(g) + 2O2(g)…

A:

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

A: We are provided with N2(g) + 2O2(g) → N2O4(g)...............(1) 2N2O(g) → 2N2(g) +…

Q: The standard enthalpy change for the following reaction is 470 kJ at 298 K. 2 CH3CH,OH(g) 4…

A: We have to calculate the enthalpy change for given reaction.

Q: What is the change in enthalpy in kilojoules when 3.24 g of CH,OH ga completely reacted according to…

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

Q: For the chemical reaction Ca (s) + ½ O2 (g) → CaO (s) AH° = -635 kJ/mol. What is the enthalpy (in…

A: Heat of reaction is defined as difference of energy of product  and energy of Reactant. If heat of…

Q: For the chemical reaction Ca (s) + 2 O2 (g) CaO (s) AH° = -635 kJ/mol. What is the enthalpy for the…

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

Q: The standard enthalpy change for the following reaction is -479 kJ at 298 K.

A: 1) Heat energy change at constant temperature and pressure is called enthalpy change (or) Heat of a…

Q: The standard enthalpy change for the following reaction is -731 kJ at 298 K. 2 N2(g) + 4 H2(g) + 3…

A: Rule : on dividing the reaction with any constant, the value of enthalpy change also gets divided by…

Q: Given the standard enthalpy changes for the following two reactions: (1) 2Hg(l) + O2(g)2HGO(s) AH° =…

A: the solution is as follows:

Q: Given the standard enthalpy changes for the following two reactions: (1) 4C(s) +…

A:

Q: Calculate the standard enthalpy change for each of the following reactions. 1.…

A: According to the question, we need to calculate the heat of the reaction. The heat of the reaction…

Q: With a platinum catalyst, ammonia will burn in oxygen to give nitric oxide, NO. 4NH3 (9) + 502(g) →…

A: Answer: reaction for whom enthalpy change is given is: 4NH3(g)+5O2(g)→4NO(g)+6H2O(g) Now the…

Q: The standard enthalpy change for the following reaction is -112 kJ at 298 K. 2 Na(s) + H2(g)…

A: The standard enthalpy change for this reaction at 298 K has to be determined

Q: For which reaction below does the enthalpy change under standard conditions correspond to a standard…

A: To identify: A reaction for which the enthalpy change of the reaction corresponds to a standard…

Q: The standard enthalpy change for the following reaction is -576 kJ at 298 K. 2 Na(s) + I2(s) –→ 2…

A: Given,

Q: Use standard enthalpies of formation to determine ΔHºrxn  (kJ) for : 2SO2 (g) + O2 (g) -> 2SO3…

A: The standard enthalpy change of a reaction is calculated by subtracting the enthalpy of formation of…

Q: The enthalpy for formation of NH3(g) is -45.9 kJ/mol. What is the reaction enthalpy for the…

A:

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: Use the standard enthalpies of formation table to determine the change in enthalpy for the given…

A:

Q: Calculate the standard enthalpy of reaction, deltaxnHo , at 25 oC for the formation of glucose from…

A: Standard enthalpy data for, H2O(l)=-285.8kJ/molCO2(g)=-393.5kJ/molC6H12O6(s)=-1275kJ/molO2(g)=0…

Q: H2 (g) + '/½ O2 (g) → H2O (1) 2 Na (s) + '/½ O2 (g) → Na2O (s) Na (s) + '/½ O2 (g) + '½ H2 (g) →…

A: Hess's law states that "the standard reaction enthalpy is the sum of the standard enthalpies of the…

Q: Consider the hypothetical reaction: A + 3B → 2C, which gives ΔH0= 357.2 kJ. Determine the enthalpy…

A: Exothermic reaction releases the energy during occurrence. Here, the enthalpy of the substrates is…

Q: How much will the temperature of a cup (180 g) of coffee at 95 °C be reduced when a 45 g silver…

A: The heat lost by the coffee cup is gained by silver spoon.This relationship can be written as shown…

Q: For the chemical reaction Ca (s) + ½ O₂ (g) → CaO (s) ∆H° = -635 kJ/mol. What is the enthalpy for…

A: To calculate enthalpy for reaction:

Q: the following two reactions: (1) N2(g) + 2O2(g) -> 2NO2(g)...... ΔH° = 66.4 kJ (2) 2N2O(g) ->…

A:

Q: The enthalpy change for reaction N2 + 3H2(g) → 2NH3(g) is -92.2kJ. The enthalpy of formation of…

A: Enthalpy of formation is enthalpy change when one mole of substance formed from its constituent…

Q: For the chemical reaction Ca (s) + 02 (g)→CAO (s) AH° = -635 kJ/mol. What is the enthalpy for the…

A: Given reaction,      Ca(s) + 1/2 O2(g) → CaO(s)       ∆H0 = - 635 kJ/mol

Q: Given the standard enthalpy changes for the following two reactions: (1) N2(g) + 202(g)2NO2(g) AH° =…

A: The reactions given are 1) N2 (g) + 2 O2 (g) -----> 2 NO2 (g)…

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

A:

Q: The standard enthalpy change for the following reaction is 265 kJ at 298 K. Hg,Cl2(s) →2 Hg(1) +…

A:

Q: The standard enthalpy change for the following reaction is -135 kJ at 298 K. 1/2 N2(g) + 1/2 H2(g)…

A: Basic Rule If any number is multiplied in the reaction Then that number is also multiplied in the…

Q: Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H₂(9) C4H10(g) AH°…

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

Q: What is the change in enthalpy in kilojoules when 3.24 g of CH,OH is completely reacted according to…

A: Conversion factors are the numerical values which are used to convert one physical quantity to…