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 :

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

How does life in Istanbul differ from life in rural Turkey? (1 point)

To which city did Constantine move the capital of the Roman Empire in the fourth century? A. Jerusalem B. Athens C. Byzantium D. Carthage

Explain the relationships between gravity, mass, and distance. please write a paragraph

Niccolo Machiavelli and Thomas More were famous for what during the Renaissance.

How did the nile river affect settlement distribution in ancient egypt?

what changes in a habitat would cause a population decrease

(02.02 MC)Which describes a consequence of the Viking raids into other European countries?

sean has a piece of string 7/8 meter long. he uses 1/5 of the piece of string to tie a package and cuts the rest into 5 equal pieces. what is the length of each

Which statement accurately describes Rome at the end of the Punic Wars? A. Veterans of the war were richly rewarded by the government for their years of serv

Around the world, the most common method for selecting judges is