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 Online Tutoring : Forum : Homework Help - Physical Sciences : Chemistry
Topic Topic: Conversions (chemistry) Post ReplyNew Question
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Joined: 06 September 2007
Location: United States
Posts: 1
Posted: 06 September 2007 at 12:57am | IP Logged Quote Hickchick99

 I have many questions about conversions!

I dont understand how to solve these problems:

1. how many calories of heat are needed to  raise the temperature of 8.1 kg of water 20 degrees celcius

2. how many joules of heat are needed to raise the temperature of 2.83 kg of water from 38 degrees celcius to 46 degrees celcius

I know there is some type of conversion that is used for these im just not sure what they are or which one to use, or how to do it!

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