2. (10 pt) Choose the statement that best describes the essay's introduction. A. The essay contains an introduction that provide
s adequate background for the reader. B. The essay contains an introduction, but some important background information is missing. C. They essay contains an introduction, but it does not provide background for the reader.
Calculate the quantity of heat in joules needed to increase the temperature of 250 g of water from 20°C to 56°C. Specific heat capacity of water is 4.18 J°C-1g-1.