Use the given ΔH°f values in the table to calculate the ΔH°rxn of the reaction below. 2NH3(l) + 6NO(g) → 3H2O2(l) + 4N2(g)

Q: The specific heat capacity of water (l) is 1.18 J/g∙℃. What is the molar specific heat capacity of…

A: Given:specific heat capacity of water (l) = 1.18 J/g∙℃.molar mass of water = 18.01 g/mol.

Q: Use the standard reaction enthalpies given below to determine AH°rxn for the following reaction: 4…

A:

Q: The standard enthalpy change for the following reaction is 986 kJ at 298 K. Ca(OH)2(9) → Ca(s) +…

A: The given reaction is  Ca(OH)2 -------> Ca(s) + O2(g) + H2(g)  Delta H = 986 kl/mol

Q: 1. Describe enthalpy with respect to free energy change.

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

Q: 1) Calculate q when 430 kJ of energy has been released from a system that performed 110 kJ of work:…

A: Hi there! Thank you for the question, but as per our guidelines we can solve only one question at a…

Q: (a) Consider the following chemical reaction: 3FE203(s) + C0(g) → 2FE304(s) + CO2(g) AH° = ? Use the…

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

Q: We can use Hess’s law to calculate enthalpy changes that cannot be measured. One such reaction is…

A: We have measured the enthalpy of reaction for following Reaction -  2 CH4(g) ---->  C2H4(g)  +…

Q: What are the signs of q and w if a system absorbs 180 J of heat while expanding (performing work on…

A:

Q: Predict the sign of the enthalpy change for the following processes. Give a reason for your…

A: Hello. Since the question contains multiple subparts, the first three parts are solved. In case the…

Q: The standard enthalpy change for the following reaction is 35.6 kJ at 298 K. L(s) + Cl2(g) – 2…

A:

Q: Calculate the standard enthalpy change for the reaction: 2C3H18(1) + 1702(g) ® 16CO(g) + 18H,O(1)…

A: When a thermochemical equation is reversed then its ∆H value chages its sign. When a thermochemical…

Q: give 2 examples of enthalpy, entropy, and Gibbs free energy.

A: Examples of enthalpy, entropy, and Gibbs free energy are given below

Q: A sample of hydrogen gas is kept in a container with a piston. Recall that 1 L atm = 101.3 J. If the…

A: Given data :  Volume (V1) = 1.0 L  Volume ( V2) = 4.5 L  To calculate : work done Against a vacuum…

Q: Calculate "work" and "change in internal energy" for the conversion of three moles of ethanol at 78…

A:

Q: Nitrogen and oxygen gas combine to form nitrogen dioxide according to the reaction N2(g) + 20s(g)…

A:

Q: which of the following signs on q and w represent a system that is having work done on it by the…

A: • Sign Convention for Work, w i) w is positive, when work is done on the system by the surroundings…

Q: Given the thermochemical equations X, + 3 Y, – 2XY, AH1 = -390 kJ X, + 2Z, → 2XZ, AH2 = -170 kJ 2Y,…

A: To solve this problem we will use.the given thermochemical equation .

Q: A 800 mg sample of magnesium was burned in an oxygen bomb calorimeter. The total heat capacity of…

A: Given,  Mass of Mg = 800 mg  Total heat capacity = 5760 J/K  Enthalpy of combustion of Mg = -602.0…

Q: 2. The muscles in our bodies work similar to that of a fuel cell, by metabolizing sugar (glucose) to…

A: Given: standard enthalpy of formation of glucose (s) = -1273.3kJ/mol standard enthalpy of formation…

Q: Given the thermochemical equations   A(g)⟶B(g)                  Δ?=70 kJ     B(g)⟶C(g)…

A: Enthalpy changes for the given reaction is determined as follows,

Q: Use the following thermochemical equations 3884 kJ/mole →MgaN2(s) + 6MgO(s) → 3Mg(s) + N2(g)_ →…

A: In the balanced chemical equation, the number of each element should be same in both reactant side…

Q: Without doing any calculations, match the following thermodynamic properties with their appropriate…

A: Given chemical equation  2H2 (g) + O2 (g)  -> 2H2O (g) Reaction is exothermic in nature.

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: Use the standard reaction enthalpies given below to determine AH°xn for the following reaction: 2…

A:

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: The standard enthalpy change for the following reaction is 52.3 kJ at 298 K. 2 C(s,graphite) + 2…

A: The enthalpy shift that happens in a system when a chemical reaction changes one mole of matter…

Q: Which of the following represents a system that is exothermic and is doing work on the surroundings?…

A: Given information,     System is exothermic and doing work on the surroundings

Q: Explain how is enthalpy related to spontaneity of a reaction?

A: The Gibbs free energy is related with enthalpy and entropy. It is shown by the formula given below.

Q: The thermochemical reaction equation for photosynthesis is as follow: 6H2O (l) + 6CO2 (g) → C6H12O6…

A: Solution:     The endothermic reaction shows the energy absorbed during the chemical reaction while…

Q: Magnesium reacts with hydrochloric acid to produce hydrogen gas. ΔH°f for HCl(aq) = –167.16 kJ/mol…

A: Given: ∆Hf° HCl(aq) = -167.16 kJ/mol ∆Hf° MgCl2= - 801.17 kJ/mol

Q: 1. The combustion of a sample of aluminium produces 0.25 mol of aluminium oxide and releases 419 kJ…

A: The combustion reaction of aluminum is given by: Als + 34O2g  → 12Al2O3s The enthalpy change in…

Q: Using the reactions below, determine the enthalpy of the following reaction 1 g S8(s) + 02(g) →…

A: Enthalpy of a chemical reaction can be calculated from the heat of the given reactions.

Q: Octane 1C8H182 is a liquid hydrocarbon at room temperature that is a constituent of gasoline.…

A: We have the equation ∆G°=∆H°-T∆S° Where ∆H° is change in enthalpy, ∆G° is change in free energy, T…

Q: Given the thermochemical equations X, +3 Y, – 2XY3 AH1 = -380 kJ X, +2Z, ► 2 XZ, AH2 = -110 kJ 2 Y,…

A:

Q: Use the following information to calculate the standard enthalpy of formation of NO>(g) at 298 K?…

A:

Q: Given the following thermochemical equations, calculate ΔH for the decomposition of one mole of…

A: The compound given is C2H2 (g). The elements present in the compound are C i.e carbon and H i.e…

Q: Using the equations 2 Fe (s) + 3 Cl, (g) → 2 FeCl, (s) AH° = -800.0 kJ/mol Si(s) + 2 CI, (g) → SICI,…

A:

Q: The endothermic decomposition of magnesium oxide is described in the chemical equation below.…

A: Reaction for which the enthalpy change has to be determined is the reverse of the given reaction…

Q: the difference between changes in enthalpy and internal energy for the explosion of…

A: Nbh

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

A: Given: N2(g) + O2(g) ----> 2NO(g)        ∆H = +180kJ ----(1) 1/2 N2(g) + O2(g) ----> NO2(g)…

Q: Use standard enthalpies of formation in the table above to determine ΔHorxnΔHrxno for the reaction:…

A:

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: to calculate the true enthalpies of these reactions by the Hess’ law, as: ΔH°(rxn) = Σ[ν ×…

A:

Q: Given the thermochemical equations X, + 3 Y, → 2XY; AH| = -370 kJ X, + 2Z, → 2 XZ, AH2 = -180 kJ 2…

A:

Q: Calculate the standard molar enthalpy for the complete combustion of liquid ethanol (C2H5OH) using…

A:

Q: Calculate the work (in kilojoules) done during a synthesis of ammonia in which the volume contracts…

A: Work done of a system can be calculated by following formula: W=-PextV2-V1 where W is work done,…

Q: Calculate ΔH°rxn

A:

Q: (1) What are the thermodynamic quantities of a system that affect the amount and sign of the…

A: