QUESTION 47
Determine the equilibrium constant for the following reaction at 581 K.
HCN(g) + 2 H2(g) → CH3NH2(g) ΔH° = -158 kJ; ΔS°= -219.9 J/K
3.99 × 1012 |
||
3.26 × 10-12 |
||
13.0 |
||
2.97 × 1011 |
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0.002 |
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4.92 × 1025 |
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3.4 × 10-12 |
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None of these |
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523.2 |
QUESTION 48
The standard emf for the cell using the overall cell reaction below is +2.20 V:
2Al(s) + 3I2 (s) → 2Al3+ (aq) + 6I- (aq)
The emf generated by the cell when [Al3+] = 1.3 × 10-4 M and [I-] = 0.044 M is ________ V.
2.18 |
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2.20 |
||
2.25 |
||
none of these |
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2.32 |
||
2.51 |
||
2.36 |
||
2.67 |
QUESTION 47 Determine the equilibrium constant for the following reaction at 581 K. HCN(g) + 2...
The standard emf for the cell using the overall cell reaction below is +2.20 V: 2Al(s) + 3I2 (s) → 2Al3+ (aq) + 6I− (aq) The emf generated by the cell when [Al3+] = 5.0 ⋅ 10−3 M and [I−] = 0.010 M is ________ V. The standard emf for the cell using the overall cell reaction below is +2.20 V: (s) + (s) (aq) + (aq) The emf generated by the cell when [] = 5.0 M and []...