Object A, at 10℃, and object B, at 20℃, are brought into contact with one another. In which direction does thermal energy flow?
A chemical reaction heats a 10 cm3 block of tin (density 7.31 g/cm3) by 25℃. The same reaction heats a 15 cm3 block of lead (density 11.3 g/cm3) by 19℃.
What is the specific heat of tin, , as a multiple of the specific heat of lead, ?
An insulated cup contains 100 mL of water at 15℃. When this water is warmed, its density and specific heat remain approximately constant. Which of the following, if poured into the cup, would increase the temperature of its contents by the largest amount?