To find out the amount of heat needed in questions 8 and 9 one must ____ the weight of the substance and the heat per kg.
2007-03-07 07:56:16 · 4 answers · asked by Thejames A 1 in Science & Mathematics ➔ Other - Science
8. The amount of energy needed to change 20 kg of ice into a liquid is 334 kg
9. The amount of heat needed to evaporate 2 kg of liquid water 226kg
2007-03-07 08:02:31 · update #1
You might need to restate questions 8 & 9 so they make sense.
2007-03-07 08:53:38 · answer #1 · answered by 63vette 7 · 0⤊ 0⤋
Neither 8 nor 9 make any sense.
2007-03-07 08:25:50 · answer #2 · answered by Anonymous · 0⤊ 0⤋
It relies upon on the warmth of the room. If the air interior the room is at an stronger temperature than the ice cube, the warmth pass of the ice cube could be to the air. If the temperature of the room is cooler than the temperature of the ice cube, then the warmth pass could likely be downward, or to the middle of the cube. i'm reading this now, too... i'm hoping I helped! stable success.
2016-11-23 13:48:36 · answer #3 · answered by ? 4 · 0⤊ 0⤋
gee.. it would be nice to know what questions 8 and 9 were about.
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2007-03-07 08:00:06 · answer #4 · answered by DanE 7 · 1⤊ 0⤋