Question

If 20.0g of water at 0 °c is mixed with 30.0g of water at 40 °c in a container of negligible thermal capacity, what will be the final temperature of the mixture?

Answer 1

To find the final temperature of a water mixture, use the principle of heat transfer and the equation qp = mcpΔT.

Step-by-step explanation:

To find the final temperature of the water mixture, we can use the principle of heat transfer. The heat lost by the hot water must be equal to the heat gained by the cold water. We can calculate the heat lost or gained using the equation:

qp = mcpΔT

Where:

• qp is the heat lost or gained
• m is the mass of the water
• cp is the specific heat capacity of water
• ΔT is the change in temperature

By setting the two equations equal to each other, we can solve for the final temperature of the mixture.