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

Need answer 15 points
In scientific notation, the exponent or power is always between 1 and 10 True or False
Debes llegar a la escuela a las 6:40 am, a qué hora necesitas levantarte para realizar todo lo necesario y llegar a tiempo a la escuela sin que ningún imprevist
1.5.3 Quiz: Literal Equations and Formulas Question 9 of 10 The formula used to convert degrees Celsius to degrees Fahrenheit is F = C +32 Convert 68°F to degre
What are some examples of sentencing disparity? Why does it exist?
PLEASE HELPPPPPPPPPPPPP
INFORMATIVE/EXPLANATORY Write a brief essay describing how the definition of citizenship has changed over time. Describe also the ways in which citizenship has
2 2 2 4 A 2 4 4 2. 2 2 2​
Convert 61.41° to degrees, minutes, and seconds
If Ben drives 50 km in x+1 hour, then what is his average speed?