scottycosmos
scottycosmos scottycosmos
  • 18-03-2022
  • Chemistry
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If 4.5 kJ of energy is added to 100 g of copper at 100ºC, what is the final temperature in degrees Celsius?

If 45 kJ of energy is added to 100 g of copper at 100ºC what is the final temperature in degrees Celsius class=

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evgeniylevi
evgeniylevi evgeniylevi
  • 18-03-2022

Answer:

215 [C°].

Explanation:

1) if the given energy is Q, the initial temperature is t₀, the final temperature is t, then

2) Q=cm(t-t₀);

[tex]t=\frac{Q}{cm}+t_0;[/tex]

3) according to the formula above:

[tex]t=\frac{4500}{0.39*100}+100=215.[/tex]

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