Review Problem 6.089Which of the following thermochemical equations can have AHf° for the heat of the reaction?a) CO(NH2)2(aq) → CO(NH2)2(s)b) C + 0 + 2N + 4H → CO(NH2)2(aq)c) C(s, graphite) + 1/202(g) + N2(g) + 2H2(g) → CO(NH2)2(aq)O d) 20(s, graphite) + 02(g) + 2N2(g) + 4H2(g) → 2C0(NH2)2(aq)For those that cannot, why not?For choicereactant CO(NH2)2 is not an element.For choiceO, N, and H are not the standard states for oxygen, nitrogen, and hydrogen gas. The state for C is not given as graphite or as a solid.For choicev, the reaction is not balanced.Click if you would like to Show Work for this question: Open Show Work

Standard enthalpy of formation or standard heat of formation of a compound is change of enthalpy for…

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Which of the following thermochemical equations can have AHf° for the heat of the reaction?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Review Problem 6.089
Which of the following thermochemical equations can have AHf° for the heat of the reaction?
a) CO(NH2)2(aq) → CO(NH2)2(s)
b) C + 0 + 2N + 4H → CO(NH2)2(aq)
c) C(s, graphite) + 1/202(g) + N2(g) + 2H2(g) → CO(NH2)2(aq)
O d) 20(s, graphite) + 02(g) + 2N2(g) + 4H2(g) → 2C0(NH2)2(aq)
For those that cannot, why not?
For choice
reactant CO(NH2)2 is not an element.
For choice
O, N, and H are not the standard states for oxygen, nitrogen, and hydrogen gas. The state for C is not given as graphite or as a solid.
For choice
v, the reaction is not balanced.
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