A galvanic cell is prepared according to the redox reaction shown below. A voltmeter connected to this galvanic cell under standard conditions reads 0.25 V, and ΔGrxn∘ = −44 kJ/mol. If the concentration of Ni2+  is increased to 2.0 M, then Ecell will ______ and Δ????ΔGrxn will be _________ than ΔGrxn∘. Ni(s) + 2H+(aq) ⟶⟶ Ni2+  + H2(g) A) decrease, less negative B) decrease, more negative C) increase, less negative D) increase, more negative

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A galvanic cell is prepared according to the redox reaction shown below. A voltmeter connected to this galvanic cell under standard conditions reads 0.25 V, and ΔGrxn∘ = −44 kJ/mol.

If the concentration of Ni2+  is increased to 2.0 M, then Ecell will ______ and Δ????ΔGrxn will be _________ than ΔGrxn∘.

Ni(s) + 2H+(aq) ⟶⟶ Ni2+  + H2(g)

A) decrease, less negative
B) decrease, more negative
C) increase, less negative
D) increase, more negative

 
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