Given the following thermochemical equations with hypothetical ΔH values: 2NH3 (g) + 3N2O (g) → 4N2 (g) + 3H2O (l)                  ΔH = -1,056 kJ 4NH3 (g) + 3O2 (g) → 2N2 (g) + 6H2O (l)                     ΔH = -1,549 kJ Calculate the value of ΔH (in kJ) for the reaction:       N2 (g) + ½ O2 (g) → N2O (g)

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

A: The balanced Chemical equation given in the question - Ca(s) + ½O₂(g) → CaO(s), ∆H° =-635 kJ/mol…

Q: Consider the following thermochemical reaction: 6 HCl(g) + 2 BCl3(g)-->B2H6(g) + 6Cl2(g) ΔHrxn =…

A: Given :-  6 HCl(g) + 2 BCl3(g)-->B2H6(g) + 6Cl2(g) ΔHrxn = +755.4 kJ  To calculate :-  mass of…

Q: What is the change in internal energy of the system   (ΔU)  if   50 kJ   of heat energy is released…

A: Given - Heat energy released (q)= 50KJ              Work done by the system (w)= 40KJ   We have to…

Q: Use the thermochemical equations below to determine the AHXN expression for: 2 N20(g) → 2 N2(g) +…

A: When we reverse the reaction, then enthalpy for the reversed reaction will be the same as the…

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: ind ΔHrxn for the following reaction given the table below. N2O(g) + NO2(g) → 3 NO(g) Reaction…

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Q: Magnesium burns in air to produce a bright light and is often used in fireworks displays. The…

A: Given :-  2Mg(s) +O2(g) 2MgO(s)    ; ∆Ho = -1203 kJ  mass of Mg burns = 6.82 g  To calculate :-…

Q: Consider the following chemical reaction and calculate the ΔHrxn using the data provided to the…

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Q: Using the equations Ca(s) + 1/2 O₂ (g) → CaO (s) ∆H° = -450 kJ/mol CO₂ (g) → C (s) + O₂ (g) ∆H° =…

A: The given equation are Ca(s) + 1/2 O₂ (g) → CaO (s) ∆H° = -450 kJ/mol                       ......…

Q: Use the following reactions to calculate the unknown ΔH. Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2 (g)…

A: Answer - The correct option is -(a)   = -792.3

Q: You wish to find the enthalpy for the reaction 6 GeI₄ (s) + 14 NH₄I (s) → 3 Ge₂H₆ (l) + 7 N₂ (g) +…

A: The above question is based on the Hess's law: It is defined as the total change when happened…

Q: Using the balanced thermochemical equation for the combustion of methane, determine the enthalpy of…

A: From balanced reaction one mole of methane react with oxygen and produced carbon dioxide and two…

Q: Calculate ΔHrxn for the following reaction: CaO(s)+CO2(g)→CaCO3(s) Use the following reactions and…

A: "Hess law" helps in the evaluation of enthalpy change (Delta H)  for any specific reaction. When the…

Q: How much heat is produced by the complete reaction of 6.81 kg of nitromethane? Nitromethane (CH3NO2)…

A: According to the given balanced chemical reaction,

Q: reactions

A: Dear student I have given answer to your question in the image format.

Q: hat is ΔHof of Al2S3(s)?   2Al2S3(s) + 9O2(g) → 2Al2O3(s) + 6SO2(g)     ΔHo = -3684.2 kJ   ΔHof…

A: The reaction : 2Al2S3(s) + 9O2(g) → 2Al2O3(s) + 6SO2(g)     ΔHo = -3684.2 kJ ΔHof  Al2O3(s) =…

Q: Use the ΔH°f data in the Reference Cards to calculate ΔH°rxn for this reaction: 2 SO2(g) + O2(g) → 2…

A:

Q: Given the following thermochemical equation: CaCO3(s) → CaO(s) +CO2 (g)…

A: Given, The following thermochemical equation: CaCO3(s) → CaO(s) +CO2 (g)…

Q: Methanol (CH3OH) is often used as a fuel in high-performance engines in race cars. Using the data in…

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

Q: Given the following combustion data for three different fuels: CH4 (g), C8H18 (l) and CH3OH (l),…

A: For fuel CH4 energy per gram is  CH4 (g) + 2 O2 (g) → CO2 (g) + 2 H2O (l) ΔH° = −890 kJenergy per…

Q: You wish to find the enthalpy for the reaction 6 GeI₄ (s) + 14 NH₄I (s) → 3 Ge₂H₆ (l) + 7 N₂ (g) +…

A: The objective of this question is to calculate the enthalpy change for the given reaction using the…

Q: Determine the enthalpy change in the following equation: 2 NH3(g) → N2(g) + 3 H2(g) AH°f NH3(g)…

A: Chemical equation for the formation of ammonia: 1/2N2  +  3/2H2  ----->  NH3   ∆Hof = -46.11…

Q: Consider the following hypothetical reaction: A(g) + B(g) → D(g) AH° = 47.2 kJ Given that the…

A:

Q: Consider the reactions 2 K2O(s) + O2(g) → 2 K2O2(s) ΔH = -265 kJ 8 KO2(s) → 4 K2O(s) + 6 O2(g) ΔH =…

A: The enthalpy of any reaction is an additive property. So if the enthalpy of two or more reaction is…

Q: Find ΔHrxn for the reaction:                3 H2(g) + O3(g) → 3 H2O(g)         Using the following…

A: Reactions with known enthalpy changes are the following. H2Og→H2g+12O2g       ∆Hreaction=+241.8 kJ…