In your own opinion, what is the importance of the second law of thermodynamics? Expound your answer. 2. We eat food every day for sustenance. Relate the idea of eating foods to the second law of thermodynamics. How does the second law apply to it? Explain.

Q: inside a calorimeter is 100 g of water at 39.8 ºC. A 10 g object at 50 ºC is placed inside of a…

A: Mass of water, m=100 g  The initial temperature of water=39.8 ºC Final temperature=40ºC Change in…

Q: Complete the thermodynamics table for the processes shown. Reaction or Process Spontaneous? Sign…

A: A spontaneous reaction is one which favours the formation of products and results in an overall…

Q: H2O

A: 3C (graphite) + 3O2 (g) ------> 3CO2 (g)​​.....(d)  ∆Hb = 3 • ( -393.5 kJ )  ∆Hb = -1180.5 kJ

Q: How does energy reduction contribute to the development of green chemistry? NOTE: This question is…

A: Green chemistry is the utilisation of a set of principles that reduces or eliminates the use Or…

Q: discuss how catalyst can make processes more energy efficient?

A: How catalyst can make processes more energy efficient is to be explained.

Q: Discuss how catalysts can make processes more energyefficient.

A: A catalyst is substance that can be added to a chemical reaction without getting consumed in a…

Q: provides information about the spontaneity of a reaction/process; and <<Question 20 of 32 provides…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: 1- Why is the second law of thermodynamics important? 2- What type of processes occur in a Carnot…

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Q: Consider the energy diagram. Products Does this diagram represent an increase or decrease in the…

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Q: Select the statements below that are false, and then think about why they are not true. A chemical…

A: Answer - a) a) when products are lower in energy than the reactants - the reaction is spontaneous.…

Q: When work is done on a system to bring it into an ordered state which of the following is true? O…

A: Answer  when work is done on the system If work is done on the…

Q: Which of the following processes are exothermic? 1) Dew evaporates in the morning 2)Gasoline burns…

A: Exothermic reaction are the reaction in which heat is released and endothermic reactions are those…

Q: nuch useful work has been extracted? (4) Where did the energy to do the work come from? 5) Does this…

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Q: Which statement is true?a. A reaction in which the entropy of the system increases can be…

A: The entropy of a system deals with degree of disorderliness in the system . The spontaneity of a…

Q: Some ice cubes were left floating in a glass of water. After some time, the ice cubes melted and the…

A: Some ice cubes were left floating in a glass of water. After some time, the ice cubes melted and the…

Q: Most automobile engines are cooled by water circulating through them and a radiator. However, the…

A: The cooling capacity of a material depends on its specific heat capacity value. Higher the specific…

Q: Exothermic reactions _________. Group of answer choices release heat to the surroundings. lose…

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Q: he second law of thermodynamics favors     A. processes that have zero entropy of the universe…

A: The given problem is based on the laws of thermodynamics.

Q: Which of the following would result in a decrease in the system's entropy?  (Select all that apply.)…

A: Entropy of a system is measure of randomness in it.  More the randomness or less the system is…

Q: All things trend toward disorder. When cups of hot milk are left on the table for a long period of…

A: The second law of thermodynamics : The second law of thermodynamics helps us to determine the…

Q: Which statement is true? A reaction in which the entropy of the system decreases can be spontaneous…

A: For a reaction to be spontaneous, ∆G must be negative. ∆G=∆H-T∆S For ∆G to be negative, either ∆H…

Q: Which reactions are exothermic?   Reaction 1: C3H8(g) + 5 O2(g) → 3 CO2(g) + 4 H2O(l) + 2220 kJ…

A: The reactions in which heat is evolved in products are known as exothermic reaction. Again the…

Q: When the environment is contaminated by a toxic or potentially toxic substance (for example, from a…

A: It is stated by second law of thermodynamics, that entropy of universe gets increased in a…

Q: Some reactions require energy from the surrounding to react. The temperature of the the surroundings…

A: The reactions which require energy from the surrounding are the endothermic reactions.

Q: Using the following reaction:4 Mg (s) + 2 O2 (g) → 4 MgO (s) H = -2408 kJ Calculate the amount of…

A: The heat transferred when given amount of magnesium reacts is as follows,At given constant pressure…

Q: Which law of Thermodynamics explains why the "house always wins"? In other words, when it comes to…

A: Laws of thermodynamics states as– First law– Energy can neither be created nor be destroyed. It can…

Q: All changes saved 9. Answer the question below. Use the rubric in the materials for help if needed.…

A: According to 1st law of thermodynamics,  energy is transformed from one form to another .  According…

Q: 14. Which of the following is true about the first law of thermodynamics? A. energy can neither be…

A: As per Bartleby answering guidelines we have to solve only the first questions of multiple…

Q: Which reactions are exothermic?   Reaction 1: C3H8(g) + 5 O2(g) → 3 CO2(g) + 4 H2O(l) + 2220 kJ…

A: in any reaction  in which energy is released is said to be exothermic reaction.

Q: Which statement about this reaction is CORRECT?   2 Fe(s) + 3CO2(g) → Fe2O3(s) + 3 CO(g)   ΔH =…

A: The number of moles is its mass to its molar mass. The formula can be given as Number of…

Q: Which of the following does not support the First Law of Thermodynamics? O Dry-cell battery powers a…

A: In a flashlight, energy must move from the battery to the light source. However, every time energy…

Q: Exothermic Endothermic Heat Hotter than suroundings Heat Heat /Cooler than surroundings Heat Heat…

A: We know that,  Entropy measure randomness. If more randomness then more entropy.

Q: The first law of thermodynamics is extremely important in every chemical reaction, but what exactly…

A: First law of thermodynamics  talk about  conservation  of energy.

Q: Experimental observations of a biochemical reaction have indicated that the reaction releases free…

A: For a reaction to be spontaneous, delta G should be negative.

Q: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

A: A table of questions based on spontaneity, which are to be accomplished.

Q: Determine type of system described: 1) Reaction in a beaker on a lab bench: A- isolated system B-…

A: Open system - Energy as well as matter exchange Closed system- only energy exchange Isolated system…

Q: How roadways transportation make use of thermodynamics?

A: The movement of people, goods, and animals, etc. from one place to another place in the world is…

Q: How does the entropy of the system changes in the reaction of H2(g) + Br2(g)→ 2HBr(g)?…

A: Given reaction is :  H2 (g) + Br2 (g)→ 2HBr (g) How does the entropy of the system changes in the…

Q: Complete A and B to move on. a.) Write the complete, balanced chemical equation for the following…

A: The question is based on the concept of chemical reactions. we have to write equation for given…

Q: Give Up? O Resources 9.4% re: Hint 8 > Consider these reactions, where M represents a generic metal.…

A: The Hess's law can be described as the law that will be used to calculate the value of the change in…

Q: How waterways transportation make use of thermodynamics?

A: Given : To explain waterways transportation make use of thermodynamics

Q: Enthalpy change is the A)pressure change of a system at constant temperature. B)entropy change of a…

A: The enthalpy change of a chemical reaction is determined by the difference in the enthalpy of the…

Q: A balloon filled with gas is compressed under an external pressure of 3.0 atm from 4.0 L to 1.0 L.…

A: Work done= P(del V) Work done= (3 atm)*(4-1 l) =(3 atm)(3l) =9L-atm =9*101.325J =911.825J

Q: A mole of sodium met is added to water How much work is done on the atmosphere by the subsequent…

A: using the ideal gass equation:- PV=nRT here  one mole of sodium produce half mole of H2 n=0.5 PV…

Q: A reaction occurs in a flask which is connected to a movable piston. Which image shows work done on…

A: According to the first law of thermodynamics, the energy of the universe remains constant. For the…

Q: Indicate whether each statement is true or false.The entropy of the system must increase in any…

A: The disorderliness occurring in the molecules of a system is called entropy of a system. Entropy of…

Q: 9- "Systems that are in thermal equilibrium exist at the same temperature". This statement is…

A: Temperature is a measure of the average kinetic energy of the atoms or molecules in the system

Q: Which statement about this reaction is CORRECT?   2 Fe(s) + 3CO2(g) → Fe2O3(s) + 3 CO(g)   ΔH =…

A: Sign convention: Heat absorbed = positive (+) Heat released = negative (-)