johnny231819 johnny231819
  • 10-10-2021
  • Physics
contestada

If a 2 kg block of aluminium (SHC: 921 J/kg°C) is heated from 20°C to 40°C, how much energy was transferred to it?

Respuesta :

Upendo
Upendo Upendo
  • 10-10-2021

H = mc∆T

where, H=heat energy

c = SHC

H = 2*921*(40-20)

H = 36840J

H = 36.84KJ

The energy transferred to it is 36.84KJ

Answer Link

Otras preguntas

in a parking lot,43% of the cars have a GPS. express this percent as a decimal.
what happens when your data doesn't support your hypothesis?
5 divided by the sum of a and b
A research paper is A. creative, unstructured, first-person writing. B. casual, third-person, entertaining writing. C. thoughtful, analytical, academic writing.
The length of a rectangular board is 10 cm longer than its width. The width of the board is 26 cm. The board is cut into 9 equal pieces. If the area of each pie
You have been appointed to a health education team at your school. Your job is to develop the criteria for the health information you will be sharing with stude
An employee earned $56,700.00 in a year and had $8,788.50 withheld for federal income tax. What federal income tax percent was withheld? if necessary, round you
please help me with this
A third of 20 I don't have a clue how to do it
What is a tenth of 12,000