sidrakarim288
sidrakarim288 sidrakarim288
  • 01-06-2021
  • Chemistry
contestada

If the specific heat capacity of copper is 387 J/kg/°C, then how much energy is needed to raise the temperature of 400 g of copper from 30°C to 55°C?

Respuesta :

jcherry99
jcherry99 jcherry99
  • 01-06-2021

Answer:

Explanation:

mass = 400 grams * [1 kg/1000 grams] = 0.400 kg

c = 387 Joules / (oC * kg)

Δt = 55 - 30 = 25 oC

E = m*c * Δt

E = 0.4 * 387 * 25

E = 3870 Joules

Answer Link

Otras preguntas

When analyzing a passage for suspense, which feature is important to note?
Help plZZZ ASAP thx
answel.break, so be sure that best answer each question. Note beyou have the entire question and allthe answers choosing 1. Significant settlement in Manitoba,
One reason limited liability companies have become so popular is that they
Saudi Arabia's foreign policy is best described as
For two events, M and N, P(M)=0.7, P(N|M)=0.3, and P(M'|N')
can someone help me with this????????????
An atom that has fewer neutrons than protons and more electrons than protons is a(n) ion.
Advertising or promoting the use of tobacco to adolescents is prohibited. true or false.
What are two common ways for expressing a sales quota? A. Percentage and fraction B. ROI and interest C. Volume and dollar amount D. Bonus and commission