Which reactions have a positive ASrxn? O A(g)+B(g) → C(g) A(s) + 2 B(g) → C(g) O A(g)+B(g) – 3 C(g) O 2 A(g)+B(s) → 3 C(g)

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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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Which reactions have a positive ASrxn?
A(g)+B(g)
· C(g)
A(s) + 2 B(g) – C(g)
O A(g)+B(g) – 3 C(g)
2 A(g)+B(s) → 3 C(g)
Question 5 of 25 >
The change in entropy, ASian. is related to the the change in the number of moles of gas molecules, Ang Determine the change
in the moles of gas for each of the reactions and decide if the entropy increases, decreases, or has little or no change.
A. K(s) + 0,(g)
KO,(6)
Al
The entropy, ASia
mol
O decreases.
increases.
O has little or no change.
B. C,H, () + H,(g)
C,H,g)
The entropy, AS
Angas
mol
decreases.
O increases.
sontacta
Transcribed Image Text:Which reactions have a positive ASrxn? A(g)+B(g) · C(g) A(s) + 2 B(g) – C(g) O A(g)+B(g) – 3 C(g) 2 A(g)+B(s) → 3 C(g) Question 5 of 25 > The change in entropy, ASian. is related to the the change in the number of moles of gas molecules, Ang Determine the change in the moles of gas for each of the reactions and decide if the entropy increases, decreases, or has little or no change. A. K(s) + 0,(g) KO,(6) Al The entropy, ASia mol O decreases. increases. O has little or no change. B. C,H, () + H,(g) C,H,g) The entropy, AS Angas mol decreases. O increases. sontacta
C. CH,(g) + 20,(g)
Co,(g) +2 H,O()
Angas
The entropy, ASia
mol
decreases.
increases,
has little or no change.
D. 2 NH, (g) -
N2(g) + 3 H, (g)
The entropy, ASan
Angas
mol
increases.
decreases.
has little or no change.
Transcribed Image Text:C. CH,(g) + 20,(g) Co,(g) +2 H,O() Angas The entropy, ASia mol decreases. increases, has little or no change. D. 2 NH, (g) - N2(g) + 3 H, (g) The entropy, ASan Angas mol increases. decreases. has little or no change.
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