Achunk of ice at t=-20degree celcius is added to a thermally insulated container of cold water at t=0 degree celcius. what happens to container?

a) thermal equilibrium cannot be reached

b) water will get colder until thermal equilibrium is reached

c) nothing happens because the system is already in thermal equilibrium

d) some of the ice will melt until thermal equilibrium is reached

e) some of the water will freeze until thermal equilibrium is reached

*** explain you answer and reason you choose that answer***( at least 1 paragraph)