Question

Melting of Snow by a Volcano. A snow-capped mountain, Mount X, suddenly erupted and released about 4.0 x 10^17 Joules of energy. This amount of energy is similar to the unleashed by Mount St. Helen, in Washington State, in 1980. A larger portion of Mount X's snow, originally at a temperature of -15.0 degree C, melted form water at 39.0 degree C, resulting in massive run-off and landslide.

a) Draw the temperature profile for the above process, under an ambient pressure of one atmosphere '

Answer 1

Given the initial temperature of Mount X, Ti = - 15.0 ^oC

Final temperature of the ice melted, Tf = 39.0 ^oC

Hence total change in temperature, T = Tf - Ti = 39.0 - (-15) = 54 ^oC

Suppose the mass of ice melted to water = m Kg

Given 4.0x10