A sample of #H_2O# with a mass of 46.0 grams has a temperature of -58.0°C. How many joules of energy are necessary to heat the ice to 0°C?
Use 2.1 J/g°C for the specific heat of ice.
Use 2.1 J/g°C for the specific heat of ice.
1 Answer
May 22, 2016
5496.1 J
Explanation:
#q = m xx DeltaT xx c#
Given:
I recommend drawing the diagram of ice melting.
#q = (46.0cancel("g")) xx [0 - (-58)cancel(""^@"C")] xx (2.06 J/(cancel("g") cdot cancel(""^@"C"))) = "5496.1 J"#