Decide whether or not the following reactions are possible (use your reactivity series to help you)
1. Copper + zinc sulphate copper sulphate + zinc

2. Iron + gold nitrate iron nitrate + gold

3. Potassium + copper sulphate potassium sulphate + copper

4. Iron + lithium sulphate iron sulphate + lithium

What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.