Year 12 Unit 3 Area of Study 1 | Baamboozle - Baamboozle

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Revising Unit 3 Area of Study 1

Study Slideshow

Answer the question:

Define what is meant by an exothermic reaction.

An exothermic reaction is a reaction that releases energy into the surroundings resulting in a net negative change in enthalpy.

Define what is meant by an endothermic reaction.

An endothermic reaction is a reaction that absorbs energy from the surroundings resulting in a net positive change in enthalpy.

Is electrode P the anode or cathode? Explain your answer.

Anode

Answer the question.

Ethanol is the reducing agent

Answer the question.

Rhubarb can be easily replenished.

Name a difference between a galvanic cell and fuel cell.

Wire and membrane, continuous fuel supply, storage

What is the formula to find the energy required to heat an amount of water?

Q = mct

What are the standard conditions the electrochemical series were formed in?

1M, 25 degrees C and 100 kPa

What is the reducing agent?

What is the purpose of the salt bridge in a galvanic cell?

Adding a salt bridge completes the circuit allowing current to flow. Anions in the salt bridge flow toward the anode and cations in the salt bridge flow toward

What is the oxidant in the cell?

Ag+

What is the reaction taking place at the anode?

Zn(s) -> Zn2+ + 2e-

What is the reaction taking place at the cathode?

Ag+(aq) + e- -> Ag(s)