Cooling an ideal gas at constant pressure decreases the entropy of the gas. O True False

Q: Rank the following substances in order of increasing standard molar entropy. (Please use the numbers…

A: Here, we have to rank the given substances in order of increasing standard molar entropy (S°). Given…

Q: State the First Law of Thermodynamics. Cite at least oneexample that applies to the First Law of…

A: The first law of thermodynamics: If the amount of heat provided to a system is proficient of doing…

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: Spontaneous processes are reversible. O True O False

A:

Q: Give an example for each of the following and provide explanation based from what you learned about…

A: Thermodynamics is branch of chemistry in which we deal with heat gained or lost by the system.

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: Consider a pure, crystalline solid being heated from absolute zero to some very high temperature.…

A: Entropy is a measure of randomness, so greatest increase in entropy will take place in the process…

Q: Define importance of second law of thermodynamics and knowing entropy

A: There are four laws of thermodynamics such as zeroth law of thermodynamics, 1st law of…

Q: What molecular property does entropy reflect?

A: ENTROPY Entropy is the measure of disorderness or randomness of the system. It is a thermodynamic…

Q: The entropy for one mole of a substance at 1 atm pressure, usually determined at 298.15 kelvins is…

A: Entropy measure randomness or disorders of the molecule STP means standard temperature is 298.15 k…

Q: ect one: True False

A: As we know,  exothermic reactions are reactions in which heat is evolved to surroundings. So,…

Q: The process of a cooked hamburger becoming raw is spontaneous. True or False?

A: There are two type of reaction occurs in chemistry: spontaneous and non spontaneous reaction.

Q: How can a system or chemical reaction have a negative entropy change and be spontaneous?

A: Chemical reaction:

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

A: The entropy change for the reversible process is determined by using the formula,

Q: The total energy available in a piece of bacon is referred to as A) Entropy B) Exothermic potential…

A:

Q: Indicate whether each of the following statements is true or false. If it is false, correct it. A…

A: The process which can occur on its own without getting accelerated by the external factors is known…

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: How does the entropy (S) of the system change when heating hydrogen gas from 60.0°C to 80.0°C?

A: Entropy is a measure or tendency in nature for systems to went towards a physical or chemical state…

Q: TRUE OR FALSE Any spontaneous process is reversible.

A: Spontaneous process means the process which will occur without any external force or something like…

Q: Define thermodynamically the entropy of a system

A: The second law of thermodynamics helps us to determine the direction in which energy can be…

Q: Which one of the following is not a state function? enthalpy heat entropy O Gibbs free energy

A: State function is the variable which depends only on the initial and final state while it is…

Q: What general rules apply to predicting whether an entropy change is negative or positive

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

Q: When heat is added to the surroundings, the entropy of the surroundings increases. How does Ssurr…

A: We know that Entropy is defined the randomness of system. Entropy is represent by the symbol "S"

Q: Exothermic Endothermic Honer than suroundings Heat Heat Cooler than sunoundinge Heal Neal Heal Heat…

A: We know that,  Entropy measure randomness. It means that, more randomness means more entropy as like…

Q: Predict the sign of DG for an exothermic reaction with an increase in entropy. O positive O negative…

A: Given data:Exothermic reaction Increase in entropyPredict the sign of :The spontaneity of a reaction…

Q: The change in free energy for a process occurring under standard conditions, such as 1 atm pressure…

A: Explained as follows

Q: What happens to the entropy of an isolated system during an irreversible process?

A: For isolated system, there is no exchange of heat or energy between system and surrounding.  Hence,…

Q: Determine the change in entropy when the pressure of 18.5 g of gaseous N2 increases from 0.796 atm…

A:

Q: Does the entropy of the surroundings increase for spontaneous processes?

A: The entropy is a measure of randomness of a system. In a spontaneous process, the entropy of the…

Q: TRUE OR FASLE Entropy increases from solid to liquid to gas

A: Entropy represents degree of disorder or randomness.

Q: For which of the processes does the entropy of the system increase?

A: The disorderness or randomness present in a molecule is termed as its entropy.

Q: Laws

A:

Q: How do enthalpy and entropy relate to each other? If enthalpy is negative, does that mean that…

A: To measure spontaneity, both the terms, enthalpy and entropy, cannot be used individually that is…

Q: When a liquid freezes, its entropy increases: true or false?

A: Entropy is the measure of randomness or disorder among particles of a given system. A liquid freezes…