What mass of steam initially at 100 C is need to warm 400 g of ice from 0 C to 30 C. Asssume that both objects in the final state are in equibrium.

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1. Find the total energy required to melt the ice and heat it to 30 C

2. That energy is the total energy that you need to cool water at 100 C to 30 C and cool steam to water at 100 C.

So, you basically have:



That same Q,



You have to find m(steam)