Which of the following are state functions? (i) energy, (ii) work, (iii) enthalpy, (iv) heat, (v) temperature

Q: In a laboratory experiment, 30. J of heat was added to a gas piston assembly as the piston did 75 J…

A: Given, Heat = 30J. Work done = 75J. As work is done by the system on surroundings, the work done…

Q: Part A Given the following heat capacity data, calculate AH of CO2 (g) at 753 K. The standard…

A: The standard enthalpy of formation is the change in enthalpy calculated at the standard state…

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

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

Q: What is the change in internal energy for a system which loses 422 J of heat, and on which 227 J of…

A: According to first law of thermodynamics the change in internal energy is expressed as shown below:

Q: Which change is more likely to happen spontaneously: (a) Endothermic Change or (b) Exothermic…

A: Given: endothermic and exothermic change. To find: the change which is more likely to happen…

Q: Use the data in Thermodynamic Properties to determine ΔH° for each of the following reactions.…

A: We have to find the ∆H° for the given reaction using thermodynamics relations., For a chemical…

Q: 2 NH3(g) + 3 N2O(g) ----> 4 N2(g) + 3 H2O(l)

A: Enthalpy change is defined as the difference in total heat of formation of reactant and total heat…

Q: Methanol, ethanol, and n-propanol are three common alcohols. When 1.00 g of each of these alcohols…

A: a) Methanol (CH3OH) = Liberated heat = -22.6 kJ Molar mass of CH3OH = 32 g/mol Moles of methanol =…

Q: The second law of thermodynamics states that for a process to be spontaneous:         (A) The…

A: According to second law of thermodynamics, the overall entropy of the whole universe is always…

Q: Explain what is first law of thermodynamics. How it is related to the conservation of energy?

A:

Q: The internal energy of a gas decreases by 1.65kj when it transfers 1.87kj of energy in the form of…

A: Interpretation: The work done on the gas by the surroundings is to be determined. Concept…

Q: 1. a. (i) The work done to compress a gas is 85.0 J. As a result, 21.0 J of heat is given off to the…

A: Given that w = 85.0 j (it is positive because work done on gass)  q = - 21.0 j (it is negative…

Q: 1. Calculate the enthalpy of reaction for the combustion of methane gas, CH4, to form CO,(g) +…

A: In this question, we want to Calculate tye Enthalpy of the combustion Reaction for methane. You can…

Q: Provide the definition of the second law of thermodynamics. How does the second law explain why heat…

A:

Q: A system absorbs 1.66E2 kJ of heat and the surroundings do 1.032E2 kJ of work on the system. What is…

A: We have to predict the change in internal energy of system.

Q: A system gains 727 kJ727 kJ of heat, resulting in a change in internal energy of the system equal to…

A: As we know; deltaU = Q + W  where delta U is change in internal energy  Q = heat produced  W =…

Q: Consider the following four cases: (i) A chemical process in which heat is absorbed, (ii) A change…

A: Given here four cases and we are asked in how many of these cases does the internal energy of the…

Q: A system does 546 kJ of work and loses 271 kJ of heat to the surroundings. What is the change in…

A: Work (w) = -546 KJ (because work is done on the surrounding, so this is negative) Heat (q) = -271 KJ…

Q: Calculate ΔE , if the system absorbs 7.24 kJ of heat from the surroundings while its volume remains…

A: Since the volume is remaining constant and we know that work done = -PΔV => Work = 0 as volume is…

Q: A cylinder of volume 0.270 m³ contains 10.1 mol of neon gas at 17.7°C. Assume neon behaves as an…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: What is the change in internal energy of the system (ΔU) if 65 kJ of heat energy is evolved by the…

A: As heat energy is evolved by the system, q will be -ve q=-65 kJ As work is done on the system, w…

Q: Calculate the enthalpy change for the reaction C(graphite) + 2 H2(g) → CH4(g) with the help of the…

A:

Q: A system gains 667 kJ667 kJ of heat, resulting in a change in internal energy of the system equal to…

A: According to the first law of thermodynamics; Consider the given information is as follows;…

Q: -. The contents of the closed box in each of the following illustrations represent a system, and the…

A: Since numerical values of w or Q are not given, we have to use sign convention to find the sign of…