Substances A and B, initially at different temperatures, come in contact with each other and reach thermal equilibrium. The mass of substance A is twice the mass of substance B. The specific heat capacity of substance B is twice the specific heat capacity of substance A.

Which statement is true about the final temperature of the two substances once thermal equilibrium is reached?

Which statement is true about the final temperature of the two substances once thermal equilibrium is reached?

The final temperature will be closer to the initial temperature of substance B than substance A.

The final temperature will be exactly midway between the initial temperatures of substances A and B.

The final temperature will be closer to the initial temperature of substance A than substance B.

Question

Chemistry

Jakayla Madden

15 August, 16:24

Substances A and B, initially at different temperatures, come in contact with each other and reach thermal equilibrium. The mass of substance A is twice the mass of substance B. The specific heat capacity of substance B is twice the specific heat capacity of substance A.

Which statement is true about the final temperature of the two substances once thermal equilibrium is reached?

Which statement is true about the final temperature of the two substances once thermal equilibrium is reached?

The final temperature will be closer to the initial temperature of substance B than substance A.

The final temperature will be exactly midway between the initial temperatures of substances A and B.

The final temperature will be closer to the initial temperature of substance A than substance B.

+2

Answers (1)

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Hadassah · Answer 1

I think it's the final temperate will be exactly midway because although B is Hotter than A, A is twice as big as B which means it will have to heat twice as much as it's size I think this is the answer.