An ice cube is placed in an empty 80 g aluminum cup. the ice cube has an initial temperature of 0 celsius while the cup has an initial temperature of 40 celsius. the ice cube completely melts and the melted ice and aluminum cup reach a final equilibrium temperature of 10 celsius. no heat is lost to the outside. calculate the mass of the ice cube calculate the change in entropy of the ice as it melts calculate the change in entropy for the melted water as it warms up

Q: Which scenario results in decreased entropy? A Temperature of crystalline solid is increased from 0…

A: We know that entropy of substance in different phase are Ssolid<Sliquid<Sgas And entropy of…

Q: Which one of the following processes produces a decrease in the entropy of the system? melting solid…

A: The solid substances have the minimum disorder, hence the entropy of the solid is minimum. The…

Q: Determine whether each of the following statements about the thermodynamic functions are True or…

A: The spontaneity of a chemical reaction not only depends on the enthalpy change but also depends on…

Q: Third Law of Thermodynamics Entropy, denoted by the symbol S, is the thermodynamic property…

A:

Q: Select the phase change that results in a positive sign for the change in entropy. A gas is…

A: The increasing order of entropy of the different states of matter:solid<liquid<gas

Q: A system is at an initial entropy of 375 J/K and undergoes a system change that results in a final…

A: Given that, Initial entropy = 375 J/K Final entropy = 840 J/K

Q: A thin membrane separates two compartments in a rigid insulated cylinder. The contents of gases in…

A: Answer:During mixing of gases entropy change is:Here:yA and yB are the mole fractions of gases A and…

Q: In which is there a positive entropy change? A. Magnesium combusts in air to form Magnesium oxide B.…

A:

Q: Which of the following situations would be least likely to increase the entropy of a system?…

A: The objective of this question is to find the situation which would be less likely to increase the…

Q: What is an example of a system showing a decrease in entropy  a. Helium escaping a balloon b.…

A: In this question, we will select the correct statement which showing the Decreasing entropy of the…

Q: There

A: Dear student I have given answer to your question in the image format.

Q: Calculating entropy change from reversible heat flow The heat of fusion AH, of dichloromethane…

A: The entropy of fusion of the solid is given by: Where ∆S = change in entropy =? ∆H = change in…

Q: Suppose you have two nonpolar molecules that are liquids at room temperature: hexane (C6H14) and…

A: Ideal solution: Those solution in which components of the solution have same type of interaction as…

Q: TRUE OR FALSE Entropy of a system decreases with decrease in Temperature.

A: Entropy of a system decreases with decrease in temperature is true or false ?

Q: A certain liquid substance boils at 84.7 °C (at 1 atm) and has a standard enthalpy of vaporization…

A:

Q: A block of metal is warmed irreversibly at constant pressure from 267 K to 315 K. The heat capacity…

A:

Q: TRUE OR FALSE 1. Lowering the temperature of the system will lead to an increase in entropy. 2.…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Potassium nitrate is mixed into water which causes an endothermic reaction.  The initial water temp…

A:

Q: A certain liquid substance boils at 53.3 °C (at 1 atm) and has a standard enthalpy of vaporization…

A: The boiling point of the given substance is = 53.3oC = 53.3oC+273.15 = 326.45 K The standard…

Q: What is the change in entropy (positive, negative, or zero) for the system? Sugar crystals are…

A: When solid dissolved in water, the entropy increases; but considering sugar that is larger when…

Q: How many microstates are present in a system with an entropy of zero?

A: The entropy (S) and microstates(W) are related by formula : S = kB ln(W)  Here , kB = Boltzmann…

Q: What is the entropy change of the system in J/K for the reversible cooling of one mole of copper…

A:

Q: What happens to the entropy of a sample of the matter when it changes state from a solid to a…

A: Entropy of a system is defined as the measure of randmnoss,or disorder. Entropy is an extensive…

Q: 2. Which of the following statements regarding entropy is FALSE? a) Sugar poured into a container of…

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

Q: For each of the processes, determine whether the entropy of the system is increasing or decreasing.…

A: Here are some points to easily identify the direction of change in entropy of physical…

Q: During digestion, complex carbohydrates decompose into simple sugars. Do the carbohydrates…

A: In the decomposition reaction, moles of products are greater than that of reactants.

Q: Entropy is the randomness of a system. At the molecular level, entropy can be described in terms of…

A: Since you have asked multiple questions, we will solve the first question for you as per our…

Q: The molar heats of fusion and vaporization of ethanol are 7.61 and 26.0 kJ/mol, respectively.…

A: The enthalpy change involved in the process of conversion of liquid into vapor is known as enthalpy…

Q: Determine whether each of the following statements about the thermodynamic functions are True or…

A: 1) Statement 1 is incorrect as the work done in case of constant volume system will be 0 while in…

Q: Which of the following definitions correlate to the term nonspontaneous process? O Change in entropy…

A: A spontaneous process is capable of proceeding in a given direction without needing to be driven by…