In a reaction, 1.00 mole of H2 is produced at a constant pressure of 1.00 atm and at 298 K (1 L atm = 101.3 J): 2 H2O(g) → 2 H2(g) + O2(g)     ΔH° = +483.6 kJ mol–1 How much work is done in this reaction?   –1.24 kJ   –2.48 kJ   +2.48 kJ

Q: In a constant‑pressure calorimeter, 65.0 mL of 0.350 M Ba(OH)2 was added to 65.0 mL of 0.700 M HCl.…

A: Given:65.0 mL of 0.350 M Ba(OH)265.0 mL of 0.700 M HCl.Ba(OH)2 + 2 HCl → BaCl2 + 2 H2O

Q: A chemist measures the enthalpy change AH during the following reaction: C,H1206(s)→3 CH 4(9) + 3…

A: The value of ∆H of a reaction depends on Stoichiometry of the reaction If the equation is reversed…

Q: Measurements show that the enthalpy of a mixture of gaseous reactants increases by 181. kJ during a…

A: Enthalpy of a mixture of gaseous reactant is increased by ΔH = 181.0 kJ At a constant pressure. Work…

Q: Find the work energy, w, gained or lost by the system when a sample of gas expands from 10 L to 30 L…

A:

Q: A 100.0 g piece of metal at 100°C is placed in contact with 50.0 g of water (s = 4.184 J g–1 °C–1)…

A:

Q: Calculate the work (w) and ΔEo, in kJ, at 298 K and 1 atm pressure, for the combustion of one mole…

A: Given-> ∆H° = -3169.3 KJ/mole T= 298 K P =1 atm

Q: ΔH for the following reaction is -1789 kJ. Use this and Equation a todetermine ΔH for Equation…

A: There are two equations given: 4Al (s) + 3MnO2 (s) → 2Al2O3 (s) + 3Mn (s)              ΔH = -1789 kJ…

Q: In a coffee cup calorimeter, a student places 0.500 g of calcium, followed by addition of 50.0 mL of…

A:

Q: What is the largest amount of work other than the pV type that can be performed by the reaction…

A: Ans is -474.26kJ

Q: For the reaction CH4(g) + 2O2(g) → CO2(g) + 2H2O(l) ΔH* = −890.3 kJ and ΔS* = 243.0 J/K. What is…

A: Second law of Thermodynamics states that entropy of an isolated system always increases and heat…

Q: What is the largest amount of work other than the pV type that can be performed by the reaction…

A: The maximum work done is calculated below.

Q: Calculate the work ( in kJ ) done during a reaction in which the volume expands from 12.0 L to 14.5…

A: Work done :-       Energy that is transmitted from one system to another in such a way that…

Q: In a constant‑pressure calorimeter, 70.0 mL of 0.850 M H2SO4 was added to 70.0 mL of 0.270 M NaOH.…

A: The reaction taking place between H2SO4 and NaOH is as follows:

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

A:

Q: Calculate the work (w) and ΔEo, in kJ, at 298 K and 1 atm pressure, for the combustion of one mole…

A: Given that,ΔHº = -1427.7KJ/moleT = 298 KNow the balance equation is

Q: Calculate the work, in joules, done by a gas as it expands at constant temperature from a volume of…

A: A gas at 6.00 atm pressure and constant temperature expands against an external pressure of 4.00…

Q: Energy change is the sum of heat and work:  ΔE = q + w.  Work is calculated by: w = -PΔV What is…

A: Given, a reaction absorbs heat =40.3 J =+40.3 J and volume of gas increases from 0.250 L to 0.750…

Q: Determine the amount of heat (in kJ) associated with the production of 5.91 x 10 g of ammonia…

A:

Q: In a constant‑pressure calorimeter, 70.0 mL of 0.350 M Ba(OH)2 was added to 70.0 mL of 0.700 M HCl.…

A: Given information: Volume of Ba(OH)2 = 70.0 mL Volume of HCl = 70.0 mL Concentration of Ba(OH)2 =…

Q: The following reaction was performed in a constant volume bomb calorimeter: 2N2O(g)  +  3O2(g)   →…

A: Given:  Delta H = -31.7 KJ /°C  Delta T = 0.385 °C  Heat capacity = 5.16 KJ/°C

Q: A system does 531531 kJ of work and loses 286286 kJ of heat to the surroundings. What is the change…

A: Work done by the system = 531531 KJ Loses heat to sorroundings = 286286 KJ  Change in Internal…

Q: ne standard enthalpy change for the following reaction is 342 kJ at 298 FeCl2(s) Fe(s) + Cl2(g) AH°…

A: According to the question, the standard enthalpy change for the reaction is given as: FeCl2(s)…

Q: Given the reactions, X(s) + 0,(g) XO(s) AH = -590.1 kJ XCO3(s) XO(s) + CO,(g) AH = +237.5 kJ what is…

A: Enthalpy of the reaction is the energy change when a reactant combines to form a product. According…

Q: The oxidation of copper(1) oxide, Cu,O(s), to copper(II) oxide, CuO(s), is an exothermic process. 2…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: A chemist measures the enthalpy change AH during the following reaction: 2 HNO3(1) +…

A: The solution is as follows:

Q: For the reaction 250,(g) + O,(g)→2S0,(g) AG° --139.9 kJ and AS° -187.9 J/K at 308 K and I atm. The…

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

Q: Calculate the work done (in Joules) during the decomposition of dinitrogen tetroxide in which the…

A:

Q: Calculate the work, in joules, done by a gas as it expands at constant temperature from a volume of…

A: The gas is expanding isothermally i.e at constant temperature. Therefore, there will be work done by…

Q: In a coffee cup calorimeter, a student places 0.500 g of calcium, followed by addition of 50.0 mL of…

A: Ca(s) reacts with hydrochloric acid(HCl) through the following reaction. Ca(s) + 2HCl(aq)  ---->…

Q: A fuel-air mixture is placed in a cylinder fitted with a piston. The original volume of the mixture…

A: Formula : Work done , W = -935 J W =-Pext( Vf - Vi ) -935 = - 0.836 ( Vf - 0.310 ) x 101.3  Vf =…

Q: a) Consider the reaction N2(8) + 3H2(g) 2NH3(g) AHn = -92.6 kJ If 2 moles of N2 reacts with 6 moles…

A:

Q: For the reaction 4HCI(g) + O₂(g)—2H₂O(g) + 2Cl₂(g) AH° = -114.4 kJ and AS° = -128.9 J/K The maximum…

A: We know , Maximum Work done = ∆G0 = ∆H0 - T∆S0

Q: Calculate the work, in joules, done by a gas as it expands at constant temperature from a volume of…

A:

Q: a) Consider the reaction N2(8) + 3H2(g); → 2NH3(g) AHn = -92.6 kJ If 2 moles of N, reacts with 6…

A: This is the case of irreversible thermodynamics under constant pressure. According to irreversible…

Q: A system does 566566 kJ of work and loses 216216 kJ of heat to the surroundings. What is the change…

A: Answer:  This question is based on the first law of thermodynamics which is based on conservation of…

Q: Find the work energy, w, gained or lost by the system when a sample of gas expands from 10 L to 30 L…

A: We have to predict the work gained or lost.

Q: In a constant‑pressure calorimeter, 60.0 mL of 0.340 M Ba(OH)2 was added to 60.0 mL of 0.680 M HCl.…

A: A numerical problem based on calorimeter experiment, which is to be accomplished.