N2(g) + O2(g) + Cl2(g) ---------> 2 NOCl(g)        ΔH° = 103  kJ What is the standard enthalpy change for this reaction at 298 K? 1/2 N2(g) + 1/2 O2(g) + 1/2 Cl2(g)-------->  NOCl(g)

Q: 13) Carbon tetrachloride can be formed by reacting chlorine with methane: CH4 + 2 C2 - ca4 + 2 H2…

A: The Heat of Reaction, ΔHºrxn (also known and Enthalpy of Reaction) is the change in the enthalpy of…

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: For the reaction, N2(g) + 2 O2(g) ➞ 2 NO2(g) , the enthalpy change is 33.9 kJ/mole of NO2 formed.…

A: Enthalpy is a thermodynamic property which is an extensive additive property we are required to find…

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: their enthalpy changes,                         N2 (g)   +   O2 (g)    -->    2 NO (g)…

A:

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: Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H2(g) C,H10(g) AH°…

A:

Q: (1) N2(g) + 202(g)→2NO2(g) AH° = 66.4 kJ (2) 2N½0(g)2N2(g) + O2(g) AH° = -164.2 kJ what is the…

A: Given, N2(g)+2O2(g)→2NO2(g) ∆Ho=66.4kJ--------(1)2N2O(g)→2N2(g)+O2(g) ∆Ho=-164.2kJ--------(2)

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

A:

Q: For a certain chemical reaction, the AH of enthalpy is 232.4 kJ per one mole of reactant X. If 3 mol…

A: Enthalpy is the heat content of the system. For a reaction,change is energy is called enthalpy of…

Q: The standard enthalpy change for the following reaction is -104 kJ at 298 K. 3 C(s,graphite) +4…

A:

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

A:

Q: Sand is converted to pure silicon in a three step process. The third step is   SiCl4(g) + 2Mg(s) →…

A: Given:SiCl4(g)  + 2Mg(s) → 2MgCl(s)  + Si(s)        ΔH  = –625.6 kJ

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

A:

Q: Si(s) + 2 F2(g)        ΔH° =  1.61×103  kJ What is the standard enthalpy change for this reaction…

A:

Q: The standard enthalpy changes for formation of ammonium oxide and iron 3 oxide are 2Al+3/2O^2→Al2O^3…

A: The standard enthalpy of particular reaction can be calculated from the standard enthalpies of the…

Q: From the following heats of reaction,   I) N2(g) + 2O2(g)  à 2NO2(g)            ∆H = +67.6 kJ…

A: flipping the second equation and changing its enthalpy sign gives, 2NO2(g)  -----> 2NO(g) + O2(g)…

Q: The standard enthalpy change for the following reaction is-438 kJ at 298 K. 2 C(s,graphite) + O2(g)…

A: It is given that when 2 moles of solid graphite is reacting with 1 mole of oxygen and 2 moles of…

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 enthalpy change, Delta Hrxn, for the following reaction?      2 RbI (s)  +  Cl2 (g)…

A: Enthalpy is a state function, so we determine the change of enthalpy of a reaction by subtracting…

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: (1) N2(g) + O2(g)2NO(g)...... ΔH° = 181.8 kJ (2) N2(g) + 2O2(g)N2O4(g)......ΔH° = 9.2 kJ what is…

A: The enthalpy change of the system is a state function. The change in enthalpy does not depends on…

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 -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: The standard enthalpy change for the following reaction is -467 kJ at 298 K. Na(s) + 1/2 N2(g) + 3/2…

A:

Q: What is the standard enthalpy change for the combustion of 3.50 mol of methanol? 2CH 3OH(l) + 3O 2 →…

A: Standard enthalpy of combustion of methanol is -715 kJ/mole

Q: What is the enthalpy change, Delta Hrxn, for the following reaction?      2 RbI (s)  +  Cl2 (g)…

A:

Q: The standard enthalpy of reaction, AHº, for the reaction: 3H2(g) + N2O3(g) = N2(g) + 3H20(1) (1) is…

A:

Q: For which one of the following is the enthalpy of the reaction the same as the enthalpy of…

A: Answer:- The enthalpy change during a chemical reaction in which one mole of  product ifs formed…

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

A:

Q: A scientist measures the standard enthalpy change for this reaction to be 2863.2 kJ/mol. 6CO2(g) + 6…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Consider the following reaction: 2 Mg(s) + O2(g) --> 2 MgO(s)      ΔH = - 1204 kJ/rxn   Is this…

A: In an exothermic reaction heat is evolved in the surroundings and the container becomes hot after…

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: Calculate the molar enthalpy change of H2O(1) when liquid water is heated from 41.7°C to 76.2°C.

A: Given :  Initial  temperature  = 41.7°C  Final temperature = 76.2°C  Molar mass of H2O(l) = 18 gm/…

Q: Ba(OH)2 8H20(s) + 2NH4NO3(aq) → calorimeter containing 200.0 mL of 0.01 M NH4NO3, changing the…

A: 1.) To calculate the Enthalpy change of reaction , formula used is : ∆Hrxn = - q / n  where , q =…

Q: The standard enthalpy changes for the combustion of carbon and carbon monoxide are shown below. C(s)…

A:

Q: Hydrazine, N3H4, is a colorless liquid used as a rocket fuel. What is the enthalpy change for the…

A: ΔH is an extensive property....

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

A: Ca (s) + ½ O₂ (g) → CaO (s) ∆H1°  .............................(1) 2 CaO (s) → 2 Ca (s) + O₂ (g)…

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

A:

Q: Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H2(g)→C„H1(g) AH°…

A: ∆H° is negative means that it is e reaction  To get equation 3 we should multiply equation 2 by 2…

Q: A scientist measures the standard enthalpy change for this reaction to be -818.2 kJ/mol: Fe2O3(s) +…

A:

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

A:

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

A: In these types of question, we have to arrange the given two equations, in such a way that it…

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: The standard enthalpy change for the following reaction is -467 kJ at 298 K. Na(s) + 1/2 N2(g) + 3/2…

A: Given,

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

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) N2(g) + 202(g)N½O4(g) AH° =…

A: You have given a reaction that follows the Hess Law of enthalpy formation.