Author Question: The standard cell potential (E cell) for the reaction below is +1.10 V. The cell potential for this ... (Read 468 times)

joblessjake · **on:** Aug 27, 2018

The standard cell potential (E cell) for the reaction below is +1.10 V. The cell potential for this reaction is ________ V when the concentration of Cu2+ = 1.0 10-5 M and Zn2+ = 3.0 M. Zn (s) + Cu2+ (aq) Cu (s) + Zn2+ (aq)

A) 1.42
B) 1.26
C) 0.94
D) 0.78
E) 1.10

Question 2

Which one of the following is produced by anaerobic bacteria after decomposing biodegradable nitrogen-containing waste?

A) NH3
B) NO2
C) N2O
D) NO3-
E) NH4+

Question 3

How many moles of BCl3 are needed to produce 25.0 g of HCl(aq) in the following reaction? BCl3(g) + 3 H2O(l) 3 HCl(aq) + B(OH)3(aq)

A) 0.229 mol
B) 0.686 mol
C) 2.06 mol
D) 4.38 mol

Question 4

Muscles are built through

A) eating a protein rich diet.
B) taking an amino acid supplement.
C) taking megavitamin and mineral supplements.
D) exercise.

kingdude89 · **Reply #1 on:** Aug 27, 2018

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