Chemistry - November 2006

"Calculate the heat in joules gained by the water."


and i have the equation

q=mc(delta)t


which is supposed to be..

heat = mass x specific heat capacity x change in temperature.


I'm not really sure what specific heat capacity is, or which mass I'm supposed to use (i have 2)..?

So if someone can please explain it to me.. That would be wonderful.

2006-11-14 12:10:54 · 2 answers · asked by itsallforyou 2

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2006-11-14 12:08:32 · 1 answers · asked by alex d 1

Which heats up more quickly, iron or copper?

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what is the differrence between an crystalinne solid and a amorphous solid??????????????????

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please include a source (if possible) and the answer in minutes

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So for example with PCL3, would you just subract one O's value from P, or 3 O's? It isn't explained in my textbook.

i.e. 3(3.5)-2.1 or 3.5-2.1?

Also, how do you figure partial charge?

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When there is temperature decreases in a chemical reaction, is this exothermic or endothermic?

2006-11-14 11:31:28 · 9 answers · asked by Juan V 1

When there is temperature rise in a chemical reaction, is this exothermic or endothermic?

2006-11-14 11:30:13 · 3 answers · asked by Juan V 1

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How come Sulfur, the fluorides SF2, SF4, and SF6 are known to exist, whereas for oxyen only OF2 is known to exist?

2006-11-14 11:25:12 · 2 answers · asked by Anonymous

can you tell me in both celcious and fahrenheit

2006-11-14 11:25:00 · 1 answers · asked by alex d 1

and i have other ones to and if you can help me plz give me your email and help me plz and thank you

2006-11-14 11:22:47 · 3 answers · asked by unique w 1

to make it easier to store, but still allow it to burn when ignited?

2006-11-14 11:19:02 · 1 answers · asked by john h 1

i need help!!

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I need to have this answer today!!

2006-11-14 11:15:56 · 4 answers · asked by :D 4

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F, Br, Cl, and I

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Is distiled water a conductor??

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you have 225g left of the original sample.

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If you had 12oz hot water & 12 oz cold water and mixed them together, what actually happens - does the cold water cool down the hot or does the hot heat up the cold?

2006-11-14 10:17:40 · 8 answers · asked by Jim C 5