Ni2+ (aq) + Ca(s) → Ni(s) + Cd2+ (aq) E = +0.15 V Under standard conditions, a Ni-Cd galvanic cell generates a potential of +0.15 V using the chemical reaction represented above. Which of the following best explains how [Ni²+1>1 M affects the cell potential if this is the only change made to the operation of the galvanic cell? A The ratio Cd2+] Ni?+1 is smaller if (Ni2] >1 M, resulting in Q < 1 and Ecell > Ecell B Cd²+] The ratio is smaller if (Ni2+] > 1 M, resulting in Q >1 and Ecell > Ecell [Ni] С The ratio [Ni2+1 [Cd²+1 is larger if [Ni2+] > 1 M, resulting in Q >1 and Ecel 1 M, resulting in Q <1 and Ecell < Ecell- Cd +1
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What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots
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Ni2+ (aq) + Ca(s) → Ni(s) + Cd2+ (aq) E = +0.15 V Under standard conditions, a Ni-Cd galvanic cell g...
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