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OpenStudy (anonymous):
Can anybody help me with chemistry? theres nobody there! Please!
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OpenStudy (anonymous):
what do you need help with?
OpenStudy (anonymous):
Calculate the amount of heat necessary to raise the temperature of 12.0g of water from 15.4 degrees Celsius to 93.0 degrees Celsius. the specific heat of water= 4.18 J/g.degrees celcius
OpenStudy (anonymous):
And also this question, for the reaction C(graphite) + O2 ---> CO2(g), Delta H is 393kJ/mol. How many grams of C (graphite) must be burned to release 275kJ of heat?
OpenStudy (anonymous):
change then into kelvin, and you have use a formula idk but were doing the same thing in my class 12=grams 15.4=T1 93 = T2 and whats J
OpenStudy (anonymous):
J is joules
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