Ask Question
9 March, 10:10

You have a 12 oz. can (355 mL) of beer. You test the temperature and see that it reads 0◦C. Now this isn't just any beer; this is Guinness and you've heard that Guinness is best at room temperature (20◦C). If the specific heat 3 of Guinness is 4.186 J/g· ◦C, how much heat should you add in order to raise the temperature? The density of Guinness is 1.2 g/mL.

+3
Answers (1)
  1. 9 March, 11:31
    0
    3.5 * 10³ J

    Explanation:

    The heat required to raise the temperature of the beer can be calculated using the following expression.

    Q = c * m * ΔT

    where,

    Q: heat

    c: specific heat capacity

    m: mass

    ΔT: change in the temperature

    The volume of the beer is 35 mL and its density 1.2 g/mL. The mass of the beer is:

    mass = volume * density

    35 mL * (1.2 g/mL) = 42 g

    Q = c * m * ΔT

    Q = (4.186 J/g.°C) * 42 g * (20]°C - 0°C) = 3.5 * 10³ J
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “You have a 12 oz. can (355 mL) of beer. You test the temperature and see that it reads 0◦C. Now this isn't just any beer; this is Guinness ...” in 📘 Chemistry if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers