Question

which is hotter: fluid a heated for three minutes or fluid b heated for two? fluid b neither. they are the same temperature. fluid a the two values can’t be compared.

Explanation:

Step1: Consider heat - time relationship

In general, assuming same initial conditions and heating rate, more heating time means more heat input.

Step2: Compare heating times

Fluid A is heated for 3 minutes and Fluid B for 2 minutes. Fluid A has more heating time.

Answer:

Fluid A