6- Which of the following statements is false? Temperature is a state function Work is a state function Change in the state is completely defined O when the initial and final states are specified Work appears at boundary of the system Clear selection
Q: lution of HI was found to have a pOH of 13.35 at 25 °C. What is the concentration of HI? a. 0.52 M…
A:
Q: For each of the reactions at constant pressure, determine whether the system does work on the…
A: If the work is done by system then sign of work done of system is negative. If the work is done on…
Q: Are heat capacities (Cv) independent or dependent on temperature? Explain
A: Heat capacity is defined as the minimum amount of heat which is required to raise the temperature of…
Q: 2. How much work is done for the sublimstion of one mole of carbon diaxide in terms of the ideal as…
A: Work done for the sublimation of one mole of carbon dioxide = -P∆V
Q: The energy contained in a chemical bond is called the energetics. b. a. energizer. enteric. C. d.…
A: What type of energy contain in chemical bond ?
Q: The molar heat capacities of substances varies with temperature. The general function for…
A:
Q: Use the data given in the table to calculate the value of Δ?∘rxn at 25∘ C for the reaction described…
A: Since in qu you have mentioned Δ?∘rxn. So I'm assuming it to be ΔH0rxn Since for any reaction…
Q: 4. In an extensive property of a thermodynamic system (a) extensive heat is transferred (b)…
A: Extensive property of a thermodynamic system is the property which is dependent on the amount of…
Q: true or false Internal energy of the system is composed of two state functions called heat and…
A: According to first law of thermodynamics difference in heat and work gives the change in internal…
Q: Consider two hypothetical systems (A and B) whose available energy levels are shown below. Each…
A: Answer is explained below.
Q: For which of the following processes is work done by the system? a Br2(g) → 2 Br(g) b H2O(g) →…
A: The work done in the case of chemical reactions is given by the equation: W=-∆ngRT Where, ∆ng=No of…
Q: Which of (i) volume, (ii) heat, (iii) internal energy, (iv) density are state functions?
A:
Q: What is the maximum work (in kJ) that can be done with the combustion of 1.0 mole of methanol at 298…
A: W = -∆nRT Where W = work ∆n = change in moles = Sum of coefficients of gaseous product- sum…
Q: 1.In the properties of a system listed below, which one is not state function A U B S С Р D Q
A: State functions in thermodynamics, depend on only initial and finals position and not depend on the…
Q: For the reaction 6CO2(g) + 6H2O(l)C6H12O6 + 6O2(g) H° = 2.80×103 kJ and S° = -259 J/K At standard…
A: Given data,Enthalpy (Ho)=2.80×103kJEntropy (So)=-259J/K=-0.259kJ/K
Q: The molar heat capacities of substances varies with temperature. The general function for…
A: The solution is given below -
Q: 6A. State whether each of the following is true or false. Explain your reasoning in each case. (a) q…
A: (a) According to the first law of thermodynamics, the internal energy change of the system is given…
Q: reversible process
A: False
Q: 1 mole of an ideal gas has a volume of 102m3 and a temperature of 290K . Its volume is compressed to…
A:
Q: 6E. A 2.25 mole sample of CO,(g), for which C,-37.1 J/K at 298 K, expands reversibly and…
A: Given: Moles of CO2 = 2.25 mol At 298 K, Cp,m = 37.1 J/K Initial volume = 4.50 L Final volume =…
Q: (CLO3 A saturated mixture state is O less than 100% vapor O50% liquid and 50% vapor 10% vapor and…
A: Ans of the question a saturated mixture state is-
Q: 8. The following questions are about an adiabatic expansion What is the definition of an adiabatic…
A: a) an adiabatic process occurs without transferring heat or mass between a surrounding system and…
Q: e) Differentiate between state and nonstate thermodynamic systems using suitable examples.
A: A state function usually depends final state - initial state of the system (path has no impact on…
Q: Which of the following thermodynamic functions can be measured absolutely? A. Internal Energy B.…
A: Given : We have to tell which of the following can be measured absolutely.
Q: When a system is at absolute zero, it has only one microstate. O True O False
A: Ans Microstates are number of possible accessible states or accessibility of the population of the…
Q: At 25°C the molar volume of water V is given by: V = 18.066 – 7.15 X 104 P + 4.6 X 108 P², where V…
A:
Q: If heat flows from the surroundings, Q > 0. True False Energy is an extensive state property of the…
A:
Q: Vinyl chloride, one of the reagents used to make the common plastic polyvinyl chloride (PVC) is…
A: The enthalpy change of a chemical reaction can be calculated by the standard heat of the formation…
Q: Consider the combustion of one mole of methane gas:CH4(gas) + 2O2(gas) --> CO2 (gas) +…
A:
Q: 16. The volume of a system is increased from 2.73 dm3 to 23.73 dm at an external pressure of 2.35…
A: Initial Volume = 2.73 dm3 = 0.00273 m3 = 2.73 L Final Volume = 23.73 dm3 = 0.02373 m3 = 23.73 L…
Q: Content Content MasteringC x P 18.6: Gibbs Fre PAcceptable ur o B…
A: Identify each energy exchange as heat or work. Determine whether the sign of the heat or work…
Q: P3C.6 Use values of enthalpies of formation, standard entropies, and standard heat capacities…
A:
Q: which point/s identify the property of the final state of the system?
A: 2 represents the final state of system. For points which are explaining the state 2 willbe finale…
Q: When a thermodynamics process occurs and heat is evolved (released) by the system, this process is…
A: Given that, When heat released then what process described ?
Q: One know of an ideal gas initially at a temperature of 300 K and atmospheric pressure 1.01…
A: The final temperature can be calculated as
Q: For all processes, both q and AE will have the same sign. O True False
A: The question is based on the concept of chemical thermodynamics. it makes use of first law of…
Q: 3. The maximum quantity of energy available for useful work in a system undergoing change is: A)…
A: The maximum amount of useful work is the work that has been done including expenditure of energy.
Q: Consider the combustion of one mole of methane gas:CH4(gas) + 2O2(gas) --> CO2 (gas) +…
A: The heat of formation is defined as the heat change, when one mole of compound is formed from its…
Q: One mole of an ideal gas undergoes the cycle, A⟶B⟶C⟶A, as shown in the graph. For this gas, CV =…
A:
Q: Consider the thermodynamic quantities E, 9, and w. Which of these quantities are state functions?
A: Examples of state functions ΔΗ,-ΔG ,ΔΤ Examples of path functions - work (w) - heat (q)…
Q: Given the following data: 2C2H6 (g) + 7O2 (g) ------> 4CO2 (g) + 6H2 (g) ΔH=…
A: The enthalpy change is a state function and the Hess law states that the change of enthalpy in a…
Q: 4) Consider the isothermal expansion of a 1.00 mol sample of ideal gas at 37 from the initial…
A: Dear student , since you have posted multiple parts questions we are allowed to solve only first…
Q: Calculate the work (J) of the system when the ideal gas expands at constant pressure of 2.480 atm…
A: Work done at constant pressure is given by W = -P∆V ........(1) W = work done = ? P = pressure =…
Q: Consider the following idealized heat engine:| Th Qn Wout
A: carnot engine
Q: 1.94 x 1024 molecules of an ideal gas with energy E = NKBT is subjected to a cyclic, quasi- static…
A: Answer: Average energy of N gas molecules is E=32kBT Here: kB=Boltzmann constantT=Temperature (in…
Q: Give 3 application of first law of thermodynamics and each application give Explaination the…
A: The first law of thermodynamics is also known as the law of conservation of energy because according…
Q: One mole of an ideal gas undergoes the cycle, A⟶B⟶C⟶A, as shown in the graph. For this gas, CV =…
A:
Q: A where A is V? A process happens along the following path on the p-V diagram. p= a constant. Write…
A: Given expression is p= A/V2 Use relation between work and volume
Q: Consider the combustion of one mole of methane gas:CH4(gas) + 2O2(gas) --> CO2 (gas) +…
A: The heat of formation is defined as the heat change, when one mole of compound is formed from its…
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- A system goes from state 1 to state 2 and back to state 1. (a) Is ∆E the same in magnitude for both the forward and reverse processes?Differentiate open, close and isolated system. Give 2 example each system.Consider a process in which an ideal gas changes fromstate 1 to state 2 in such a way that its temperature changesfrom 300 K to 200 K. (a) Does the temperature changedepend on whether the process is reversible or irreversible?(b) Is this process isothermal? (c) Does the changein the internal energy, ΔE, depend on the particular pathwaytaken to carry out this change of state?
- 1. A certain ideal gas whose R = 278.6 J/kg.K and cp =1.015 kJ/kg.K expands isentropically from 1517 kPa, 288°6 to 965 kPa. For 454 g/s of this gas determine, (a) Wn, (b) V2, (c) ΔU and (d) ΔHDiscuss the statement that a system and its surroundings are distinguished by specifying the properties of the boundary that separates them.Consider a process in which an ideal gas changes from state 1 to state 2 in such a way that its temperature changes from 300 K to 200 K. (a) Does the temperature change depend on whether the process is reversible or irreversible?
- Give examples of chemical systems that are (a) open, (b) closed, (c) isolated.During the industrial synthesis of methanol (CH3OH), carbon monoxide (CO) reactswith hydrogen gas. For methanol, ΔH= -100.4 kJ/mol. a) Is it preferable to maintain this system at high or low pressure? Explain.A) For nitrogen gas the values of Cv and Cp at 25°C are 20.8 J K−1 mol−1 and 29.1 J K−1 mol−1, respectively. When a sample of nitrogen is heated at constant pressure, what fraction of the energy is used to increase the internal energy of the gas? B) How much energy (in KJ) is required to raise the temperature of 136.4 g N2 from 25.0°C to 87.0°C in a vessel having a constant volume?
- (a) What is the difference between a state and a microstateof a system? (b) As a system goes from state A to state B, itsentropy decreases. What can you say about the number ofmicrostates corresponding to each state? (c) In a particularspontaneous process, the number of microstates availableto the system decreases. What can you conclude about thesign of ΔSsurr?A sample of K(s) of mass 3.226 gg undergoes combustion in a constant volume calorimeter at 298.15 K. The calorimeter constant is 1849 J⋅K−Mol-, and the measured temperature rise in the inner water bath containing 1538 gg of water is 1.776 K. CP,m(H2O,l)=75.3J⋅mol−1⋅K−1CP,m(H2O,l)=75.3J⋅mol−1⋅K−1. 1) Calculate ΔU���f for K2O 2) Calculate ΔH∘f for K2OGive an example of an isolated system.