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nic
nic asked in Science & MathematicsChemistry · 3 years ago

How much energy, in Joules, is needed to raise the temperature from 26.33°C to 33.12°C in a 2.62 kg block of each of the following materials?

Tin has a specific heat of 0.227 J/g·K, silver has a specific heat of 0.235 J/g·K, and lead has a specific heat of 0.127 J/g·K.

Tin=

silver=

lead=

2 Answers

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  • Jan
    Lv 7
    3 years ago

    Q = E = C*m*delta T

  • ?
    Lv 7
    3 years ago

    Tin:

    (2.62 kg)(0.227 kJ/kgK)(6.79 K) = 4.038 kJ;

    Silver:

    (4.038 kJ)(0.235/0.227) = 4.18 kJ;

    Lead:

    (4.038 kJ)(0.127/0.227) = 2.26 kJ.

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