Recent content by charlotteac7

How much heat (in kJ) is required to warm 13.0g of ice, initially at -13.0 degrees C, to steam at 113.0 degrees C? The heat capacity of ice is 2.09 J/g-degreeC and that of steam is 2.01 J/g-degreeC. How on earth do I do this? Please HELP!

How much ice (in grams) would have to melt to lower the temperature of 355mL of water from 24 degrees C to 4 degrees C? (Assume the density of water is 1.0g/mL .) I worked this all out and got 88.75 grams. My homework is asking for TWO significant figures, so I put 88 grams and then tried 89...