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 excerpt from the Conclusion in "Dovercourt Camp" best supports the inference that the Conclusion is written by someone who does not work at the camp? "The
(A.Thyroxine, B.Norephinephrine , C. calcitonin )And (A.triiodothyronine , B.epinephrine , C. parathyroid hormone ) control the calcium levels of the blood and
true /falseCompression of entries in the term-document matrix can be used to reduce run-time storage and execution-time requirements.
Identify the minimum value of the function y = 2x2 + 4x Answer
2NaHCO3-->Na2CO3+H2O+CO2
Give the final simplified result. 9a? - [3a - (70? + 3a)] - [2 + (15a - 2)] = 9a² + 7a? - 150 Enter the correct answer.
Find the decimal that is equivalent to:
When to use the Ideal gas law and the compressibility factor when solving a thermodynamic problem?
A 18000 Kg truck is driving along a level road with a velocity of 32 m/s. If the driver suddenly applies the brakes for 12 seconds so that the truck's velocity
4(b6-2)-10 = 2(b+3).