Predict whether the entropy change of the system in NH4Cl (s) —> NH3(g) + HCl (g) is positive or negative. Provide a description of why it is positive or negative.

Q: ANSWER THE FOLLOWING QUESTIONS: 1. The relationship between entropy and temperature is introduced…

A: Since you have posted multiple questions ,as per guidelines we are subjected to solve one per…

Q: Calculate the change in entropy that occurs in the system when 47.5 g of acetone (C3H6O) vaporizes…

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Q: HNO2(aq) + OH (aq) H20(1) + NO2 (aq) K= 4.5×1010 What is the standard change in Gibbs free energy at…

A: Given :- K = 4.5 × 1010                T = 25 °C                 R = 8.314 J/K.mol  To calculate :-…

Q: At temperature T0, substance X in its A form (A can be liquid, solid or vapor) has same chemical…

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Q: Determine the entropy difference between solid and liquid states for a substance melting at 100 °C…

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Q: Explain how the entropy of a system is related to the number ofpossible microstates?

A: To find: The relation between the entropy and number of possible microstates

Q: Which substance would have the smallest standard molar entropy? NO2(g) N2(1) N2(g) NO2(1)

A: Entropy is determined by checking the state of phase . In which state material is available .

Q: Predict whether the entropy change of the system in each of the following is positive or negative.…

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

Q: What is the change in entropy when 0.125 mol of potassium freezes at 67.2°C (Hfus = 2.39 kJ/mol)?

A: Freezing point, standard enthalpy of fusion and standard entropy can be related by the equation…

Q: What is the change of entropy (in J/K • mol) of the universe from the given chemical equation at…

A: Given CH4​(g)=186.2 JK−1mol−1O2​(g)=205.0 JK−1mol−1CO2​(g)=213.6 JK−1mol−1H2​O(l)=69.9 JK−1mol−1 The…

Q: For each of the following, predict whether the entropy of the system change will be positive or…

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Q: 8. Predict the sign of the change in entropy for the condensation of steam to liquid water. 9.…

A: Entropy means randomness. The higher the randomness of the system, the higher will be its entropy.…

Q: Determine whether the change in entropy increases or decreases. 1.Sublimation of naphthalene balls…

A: Entropy is a thermodynamic quantity that measures randomness or disorder. Higher is the entropy…

Q: For which of the following reactions will the entropy of the system decrease? CaCO3(s) → CaO(s) +…

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Q: Which of the following factors can result in an increase in the entropy of a system? 1. an increase…

A: The entropy is the degree of randomness . More is the randomness , more is the entropy . Temperature…

Q: For the decomposition of mercury(II) oxide, HgO, to mercury and oxygen: 2HgO(s) → 2Hg(l) + O2(g)…

A: Standard entropy change is the difference of standard entropy of product from standard entropy of…

Q: Suppose a compound could point in any of three directions in the solid and still have the same…

A: • This problem is based upon the third law of thermodynamics.  • This law can be given as, Total…

Q: As a system goes from state A to state B, its entropy decreases. What can you say about the number…

A: Given: Here there is a decrease when the system goes from state A to state B. The objective is to…

Q: For the chemical system: KOH + HBr → KBĽ¢ + H,O + 45 kJ (aq) (aq) (1) which of the following is…

A: KOH (s) + HBr (aq) ------> KBr(aq) + H2O(l) +45 kJ

Q: What is the change in entropy in a large mass of water at 50 °C when it receives 155 kJ of energy in…

A: Answer is explained below. Given that, the change is reversible and the mass of water is large…

Q: For each of the following reactions, indicate whether you would expect the entropy of the system to…

A: As the number of gaseous moles increases on the product side the entropy is said to be increasing…

Q: Which of the following reactions results in an increase in the entropy of the system? A) CH₄(g) +…

A: When degree of randomness of products is greater than reactants they result in an increase in…

Q: Which reaction results to a decrease in the entropy of the system? O 4 NH3 (g) + 5 02 (2) → 4 NO (g)…

A: The entropy is the measure of degree of randomness in a molecule.

Q: Predict whether the entropy change of the system in each of the following is positive or negative.…

A: GIVEN:- Predict whether the entropy change of the system in each of the following is positive or…

Q: What is the increase in entropy of 1.00 kg of ice originally at 0 oC that is melted to form water a…

A: Change in entropy is given by: ∆S=∆qT∆S=m×LfT

Q: Indicate whether each statement is true or false. The entropy change of the system is equal and…

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Q: If a system changes from two to six microstates, calculate the change in entropy for the process.…

A: Given data, Initial microstate (Winitial) = 2 Final microstate (Wfinal) = 6 The entropy of a system…

Q: Identify the change in phyical state that is a decrease in entropy.   water boiling   ice melting…

A: Entropy is the measurement of randomness of any substance, if randomness decreases entropy…

Q: Which of the following result(s) in an increase in the entropy of the system? 1. H-H I. Br 2(g) Br…

A: Given: Some of the equation regarding entropy. To find: which of the reaction will lead to  increase…

Q: of the following is the entropy change of the system? B. +7.618 J/K /K C. -4.989 J/K D. +4.9 of the…

A: Given, T = 298 Mole(n) = 1.0 mol Volume (V1) = 2.0 L Final Volume (V2) = 5.0 L Using entropy…

Q: Suppose 20 g of ice at 0 °C is added to 300 g of water at 60 °C . What is the total change in…

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Q: Consider the process below. The normal boiling point of CH3CN is 82 °C. CH;CN(g, 103 °C, 1 atm)…

A: The given process is as follows: CH3CNg, 1030C, 1atm→CH3CNl, 680C, 1atm According to the above give…

Q: Predict whether the entropy change of the system in each of the following is positive or negative.…

A: Entropy change is  associated with the disorder or randomness. order of randomness in the states are…

Q: What is the entropy when a system goes from 4 microstates to 5 microstates? 3.08 x 10-24 O -3.08 x…

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Q: For the reaction 2 CO (g) + O2 (g) → 2 CO2 (g), the entropy change is expected to be negative. Is…

A: The given chemical reaction is as follows: 2CO (g) + O2 (g) → 2CO2 (g) The stoichiometry of the…

Q: In which of the following processes does the entropy of the system decrease? Select one: H2(g) +…

A: > In a chemical reaction if gaseous moles increases than entropy increase. > for gases if…

Q: Which of the following substances has the lowest absolute molar entropy at 25°C?   Group of answer…

A: The substances given are HCl(l), HCl (g), HCl (s), HBr (g) and HI (g).

Q: How does the entropy of ice at −5°C diff er, if at all, from its entropy at −50°C?

A: Entropy- Entropy is a thermodynamic property. Entropy determines tendency of process. Tendency means…

Q: A block of copper is initially at T=500 K. As it cools to room temperature, 1000 J of heat flows out…

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

Q: Indicate whether each statement is true or false. If a system undergoes a reversible process, the…

A: Given: Reversible process is a process which can be reversed back to its initial state after…

Q: For the following reactions, indicate whether the entropy of the system increases, decreases, or…

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Q: For items 4-6. An ideal monoatomic gas of one mole expands isothermally and reversibly from 2.0 L to…

A: Here we have to determine ∆S (system), ∆S(surrounding) and ∆Suniverse if 1mole of monoatomic gas…

Q: Does the entropy of the system increase, decrease, or stay the same when the volume of a gas…

A: Entropy is the thermal energy of a system per unit of temperature. This energy is not available for…

Q: The standard enthalpy of vaporization of an organic compound is 40.20 kJ/mol at its normal boiling…

A: Given: The standard enthalpy of vaporization of the organic compound = 40.20 kJ/mol The boiling…

Q: 11. For which of the following reactions will the entropy of the system decrease? A. 2 NH3(g) …

A: Gas has more entropy than liquid which have more entropy than solid. In the above reaction D. there…