
(a)
Interpretation: Standard enthalpy of the reaction and change in standard entropy of the given reaction are to be determined and the temperature at which the change in standard Gibb’s energy is zero, is to be calculated.
Concept introduction: The standard enthalpy of the reaction is calculated by the formula,
The change in standard Gipp’s free energy of the reaction is calculated as,
To determine: Standard enthalpy of the reaction and change in standard entropy of the given reaction.
(a)

Answer to Problem 87CWP
Standard enthalpy of the reaction and change in standard entropy of the given reaction is
Explanation of Solution
Hydrogen gas is produced by reacting graphite with water.
The standard enthalpy of formation of
The standard enthalpy of formation of
The standard enthalpy of formation of
The standard enthalpy of the reaction is calculated by the formula,
Therefore, the above equation becomes,
Substitute the value of
Therefore, the standard enthalpy of the reaction is
The standard entropy of
The standard entropy of
The standard entropy of
The standard entropy of
The standard entropy change of the reaction is calculated by the formula,
Therefore, the above equation becomes,
Substitute the value of
Therefore, the standard entropy change of the reaction is
(b)
Interpretation: Standard enthalpy of the reaction and change in standard entropy of the given reaction are to be determined and the temperature at which the change in standard Gibb’s energy is zero, is to be calculated.
Concept introduction: The standard enthalpy of the reaction is calculated by the formula,
The change in standard Gipp’s free energy of the reaction is calculated as,
To determine: The temperature at which the change in standard Gipp’s energy of the given reaction is zero.
(b)

Answer to Problem 87CWP
The temperature at which the change in standard Gipp’s energy of the given reaction is zero is
Explanation of Solution
Given
The change in standard Gipp’s energy of the given reaction is zero.
Standard enthalpy of the reaction and change in standard entropy of the given reaction is
The change in standard Gipp’s free energy of the reaction is calculated as,
Substitute the value of
Therefore, the temperature at which the change in standard Gipp’s energy of the given reaction is zero is
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Chapter 20 Solutions
Chemistry with Access Code, Hybrid Edition
- Iarrow_forwardDraw the Markovnikov product of the hydrobromination of this alkene. Note for advanced students: draw only one product, and don't worry about showing any stereochemistry. Drawing dash and wedge bonds has been disabled for this problem. + Explanation Check 1 X E 4 1 1 1 1 1 HBr Click and drag to start drawing a structure. 80 LE #3 @ 2 $4 0 I அ2 % 85 F * K M ? BH 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center & 6 27 FG F10 8 9 R T Y U D F G H P J K L Z X C V B N M Q W A S H option command H command optiarrow_forwardBe sure to use wedge and dash bonds to show the stereochemistry of the products when it's important, for example to distinguish between two different major products. Predict the major products of the following reaction. Explanation Q F1 A Check F2 @ 2 # 3 + X 80 F3 W E S D $ 4 I O H. H₂ 2 R Pt % 05 LL ee F6 F5 T <6 G Click and drag to start drawing a structure. 27 & A 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center Acce Y U H DII 8 9 F10 4 J K L Z X C V B N M T H option command F11 P H commandarrow_forward
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- Please, please help me figure out the the moles, molarity and Ksp column. Step by step details because I've came up with about three different number and have no idea what I'm doing wrong.arrow_forwardwhat reagents are used to get this product from this reactant? Br OCH3arrow_forwardcan someone answer this pleasearrow_forward
- can someone do the reaction mechanism for this reaction and draw the molecules for Q2 and q3arrow_forwardIn this question, the product of the aldol condensation is shown. What would be the reactants for this product? Please provide a detailed explanation, as well as a drawing showing how the reactants will react to produce the product.arrow_forward7. Propene undergoes a hydration reaction with water in the presence of an acid. a. There are two possible products for this reaction, both with the formula C,H,O. Show their structural formulas and names. (A1, B2) SCH4UR Name: (answer for part a. here!) VER 3 2021-2022 b. Which of the two products do you predict will form. Explain your choice using details from your learning. (B3)arrow_forward
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