How much heat must be transferred to 3500 g of liquid water to change the
water's temperature from 27°C to 32°C? (The specific heat capacity of liquid
water is 4.186 J/g.°C.)
O A. 170 J
O B. 2900
O C. 470,000 J
O D. 73,000

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.