Other Chemistry Answers

A galvanic cell must not have :

1. A negative cell potential
2. An electrolyte
3. A cathode and an anode
4. A salt bridge containing ions

For the following galvanic cell: Ag(s) | Ag⁺(aq) || Mg²⁺(aq) | Mg(s), which electrode is the anode? 

1. Mg²⁺(aq)
2. Mg(s)
3. Ag⁺(aq)
4. Ag(s)

Which of the following reacts spontaneously with Fe²⁺ according to the redox table? 

1. Mg²⁺
2. Ag
3. Ni
4. Na

Which of the following is the SOA (strongest oxidizing agent) according to the redox table? 

1. Cu⁺
2. Cu
3. Cu²⁺
4. Cu³⁺

In the reaction PbO (s) + C (s) → 2 Pb (s) + CO₂ (g) identify the element that is oxidized?

In the reaction PbO (s) + C (s) → 2 Pb (s) + CO₂ (g) identify the element that is reduced

What is the oxidation number of sulfur in (S₂O₈)²⁻

 How many moles are in 15 grams of lithium?

The concentration of calcium in urine is approximately 5mM. What is the maximum concentration of oxalate that can be tolerated and not precipitate CaC2O4?

What is the purpose of hydrolyzing the RNA before conducting biochemical tests?