Patyrickagustin797 Patyrickagustin797
  • 02-01-2020
  • Physics
contestada

Calculate the heat energy needed to change the temperature of 2 kg of copper from 10°C to 110°C. heat = Kcal

Respuesta :

Pharero Pharero
  • 02-01-2020

Answer:

18.4 kcal

Explanation:

ΔQ = m c Δ t

where ΔQ is heat energy supplied in kcal , m is mass in kg , c is specific heat capacity which is 0.092 kcal / (kg C°) ,  Δ t = 110-10= 100C°

ΔQ = 2×0.092×100 = 18.4 kcal

Answer Link
DeanGulberry2176 DeanGulberry2176
  • 13-11-2020

Answer:

heat = 20 Kcal

Explanation:

Answer Link

Otras preguntas

Which of the following describes the Radical Republicans' plan for Reconstruction in the South?
Early Greeks might all be considered islanders because they where seperated from each other by water or ____________ .
The Iran-Contra Affair occurred during the Reagan administration. a. True b. False
The Epic of Gilgamesh is one of history’s oldest surviving
Marty ate 4/6 of his pizza and luis ate 5/6 of his pizza. Marty ate more of his pizza. How is this possible
Does the scorpion without any young fights or runs away from the owl?
Kennedy buys a bag that contains 6 small boxes of raisins each box contains 6/7 ounce of raisins how many ounces of raisins does Kennedy by
Juanita bought 6 lemons. She used 2/3 of them. How many lemons she used?
max has 3 beta fish in his fish tank. One half of his fish are beta fish. How many fish does max have in his tank
7kgis =to how many gallons