How much energy (in Joules) is required to melt 500g of initially at 0c?

Question

Is there any equation for problems like this? Thanks

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Answer 1 · 2018-02-01T21:50:16

Assuming you meant ice or solid H2O:
#q = mH_f#

q is the symbol for heat energy
m is the mass of ice, #m= 500 g#
#H_f = 334J/g# for #H_2O#
#q= (500g)(334J/g)#
#q=167000J# or #167 kJ#