What is the final temperature of each substance upon absorbing 2.45 kJ of heat?

Suppose that 23 g of each of the following substances is initially at 27.0 ∘C. What is the final temperature of each substance upon absorbing 2.45 kJ of heat?

Gold

Silver

Aluminum

Water

Please show me how you did it!

2 Answers

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  • Dr W
    Lv 7
    4 weeks ago

    Q = m * Cp * dT

    Q = m * Cp * (Tf - Ti)

    Tf = Q / (m * Cp) + Ti

    plug in 2350J, 23g, the Cp for each substance... (you'll need to google those) and the initial temp and calculate away.

    make sure your units match up!

  • 4 weeks ago

    U should butt chug your diarrhea

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