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.
cell structure
Plant cell to Label
cell line selection
Animal that offer potential medical uses
An Event-Related Potential
The phases of the action potential