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chemistry

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350 calories of heat is added to a sample of nitrogen gas and the temperature is increased by 89 degrees Celsius. What is the mass of the nitrogen sample in cal/gram Celsius?

  • chemistry - ,

    Mass is measured in grams, not cal/gram celsius. Specific heat is measured in cal/g*C. .
    q = mass x specific heat x delta T. Look up specific heat for N2 gas, substitute 89 for delta T and 350 cal for q1, calculate mass in grams.

  • chemistry - ,

    so if I am given the specific heat of 0.25 cal/g*C, then would my answer be
    1.25 x 10^5 grams?

  • chemistry - ,

    Not on my calculator.
    350 = mass x 0.25 x 89
    mass = [350/(0.25*89)] = about 16 or so grams.

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