The figure shows a PV diagram for an engine that uses a monatomic ideal gas as the working substance. The temperature at point A is 470.0 K. (a) How much net work does this engine do per cycle? (b) Assuming that the efficiency of the engine is 0.444, what is the heat input into the gas per cycle? (c) How much heat is exhausted per cycle? (d) How many moles of gas are used in this engine? (e) What is the total change in internal energy of this gas in one cycle?

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A: The reaction is 2H2 + O2 →2H2O ....∆H = -484 KJ

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Q: For a certain process at 379 K, AG = +229 kJ and AH=-105 kJ. What is AS for this process?

A: Using Gibbs Free energy equation , we have calculated the value of change in entropy value .

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Q: For a certain process, at 322 K, AG = −16.0 kJ and AH = -5.00 kJ. the process is carried out in such…

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Q: 5.143 Hydrazine (N2H4) decomposes to form ammonia andnitrogen gases. (a) Write a balanced chemical…

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A: The heat capacity is the ratio of the energy supplied in the form of heat to the rise in the…

Q: An average man weighs about 70 kg and produces about 10460 kJ of heat per day. Suppose that a man…

A: Solution                                Given that  Here average man weighs (m) = 70 kg q = 10460 kJ…

Q: The change of Helmholtz energy of a process at standard conditions is -2,862 kJ per mole. What can…

A: physical significance of HELMHOTLZ ENERGY

Q: Solid urea, (NH2)2CO, burns to give CO2,N2, and liquid H2O. Its heat of combustion is -632.2 kJ/mol.…

A: The given reaction is:

Q: a) Given that AgNO3 is -124.4 kJ/mol, at standard conditions, wha tis dH when 56g of AgNO3 (M =…

A: The standard enthalpy of formation of AgNO3 = - 124.4 kJ/mol. This suggests that the enthalpy for…

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A: Molar enthalpy of the reaction can be defined as the formation of one mole of compound. Consider the…

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A: Given, Heat of combustion of methane ∆H°= -890.7 kJ

Q: Page 3 of Problem 9 ( ). Use the Table of Thermodynamic Data on the right Substance AH, moi for the…

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Q: Calculate the work done when 176 g of Fe reacts with HCl to produce H2 gas (i) in a closed fixed…

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Q: At constant pressure and 25℃, what is ∆H° for the following reaction 2C2H6 (g)+7O2 (g)→4CO2…

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Q: Given that the heat of formation for AgNO3  (s) is -124.4 kJ/mol, At standard conditions, what is…

A: Since moles = mass / molar mass  Hence moles of AgNO3 reacting = 56 / 169.9 = 0.3296

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Q: A piece of metal weighing 8.00 g  at a temperature of 46.0 oCo was placed in a calorimeter in 38.10…

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Q: A 32.7g iron rod, initially at 22.8 C, is submerged into an unknown mass of water at 63.4C, in an…

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Q: Limestone stalactites and stalagmites are formed in caves by the following reaction: Ca²+ (aq) +…

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Q: What is AG (in kJ) for 2 SO2(g) + O2(g) – 2 SO3(g) at 700 K, under standard conditions of 1 bar…

A: Given :-  2SO2(g) + O2(g) →2SO3(g)  K = 3.0 × 104  T = 700 K  To calculate :- ∆G (in kJ)

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Q: a) Given that AgNO3 is -124.4 kJ/mol, at standard conditions, what is dH when 56g of AgNO3 (M =…

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Q: The combustion of how many moles of ethane (C2H6) would be required to heat 561 g of water from…

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