scottycosmos
scottycosmos scottycosmos
  • 18-03-2022
  • Chemistry
contestada

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=

Respuesta :

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]

Answer Link

Otras preguntas

by which process do plants obtain carbon from the atmosphere
What were African slaves most often sold to Europeans in exchange for? A. gold B. salt C. guns D. oil
All of the following developments in Germany during the 1930s were violations of the Treaty of Versailles, EXCEPT __________.
religious freedom was a goal in the colonial settlement of both
Five times a number, decreased by 58, is -23. Find the number.
Why was Russia’s defeat of France the turning point in the Napoleonic Wars?
How does the growing human population impact the Earth's natural resources?
Angle 1 and angle 2 are supplementary angles, and angle 1 and angle 3 are complementary angles. Given the measurement of angle 1 is 28 degrees less then angle 2
What is the distance covered by a vehicle moving in a straight line during 20 s if the vehicle changes its speed from 10 m/s to 16 m/s during that time interval
a diver went 25.65 feet below the surface of the ocean and then 16.5 feet further down he then rose 12.45 feet write and solve an expression to find the diver's