A voltaic cell with Mn/Mn^2+ and Cd/Cd2+ half-cells has the following initial concentration: [Mn2+] = 0.090 M; [Cd2+] = 0.060M
a. Write a balanced equation for above voltaic cell?
b. Write cell notation?
c. What is the initial E°cell?
d. What is the initial Ecell?
e. What id Ecell when [Cd^2+] reaches 0.050M?
f. What is [Mn^2+] when Ecell reaches 0.0.055V?
g. What are the equilibrium concentrations of the ions?

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?

Part b: study of equilibrium on solubility: mg(oh)2(s) ⇌ mg2+(aq) + 2 oh–(aq) cloudy clear (pink) 7. a. b. 8. a. b. 9. 10. 11. 12. when adding concentrated hydrochloric acid, how did the appearance of the equilibrium mixture change? the change in appearance indicated a shift in the point of equilibrium. in which direction did the equilibrium shift? (l) left (r) right explain your answer to question 7a. you should indicate which ion was added to or removed from the equilibrium mixture. when adding edta, how did the appearance of the equilibrium mixture change? the change in appearance indicated a shift in the point of equilibrium. in which direction did the equilibrium shift? (l) left (r) right explain your answer to question 8a. you should indicate which ion was added to or removed from the equilibrium mixture. upon heating in which direction is the equilibrium shifting? upon cooling in which direction is the equilibrium shifting? is the forward reaction a. endothermic explain your answers to questions 9, 10, and 11. (l) left (r) right (l) left (r) right b. exothermic

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a