Energy Changes and Cells

Question 1

What is a pro of an Alkaline Cell?

Answer 1

Cheaper to manufacture

Question 2

What is a disadvantage of an Alkaline Cell?

Answer 2

Very expensive to recycle

Question 3

What is an advantage of a rechargeable cell?

Answer 3

Can be recharged many times before being recycled, reducing use of resources

Question 4

What is a disadvantage of a rechargeable cell?

Answer 4

Costs more to manufacture

Question 5

What is an advantage of a hydrogen fuel cell?

Answer 5

Easy to maintain as there are no smaller or moving parts.

Question 6

What are the disadvantages of a hydrogen fuel cell?

Answer 6

Very expensive to manufacture

Question 7

What determines when a chemical cell goes flat?

Answer 7

When one of the reactants has fully dissolved or been used up

Question 8

What is required for rechargeable battery to work?

Answer 8

Electrical energy from an external circuit

Question 9

What affects the voltage of a cell?

Answer 9

The difference in reactivity between the reactants

Question 10

what happens when you swap the metal of the two electrodes?

Answer 10

The voltage becomes negative

Question 11

What is the product of a hydrogen-oxygen fuel cell?

Answer 11

Water

Question 12

What type of reaction is bond breaking?

Answer 12

Endothermic

Question 13

What type of reaction is bond making?

Answer 13

Endothermic