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

Someone pls help me I will make you Brainly
Question 22 A milestone occurring in which of these increments of time will be the farthest to the left on a timeline? A. 4 weeks B. 3 months C. 6 days D. 5 ye
things do producer bacteria and plants have in common?
What this cell type
Use properties to evaluate -1/4 ( -4/5 divided by 2/3 )6
Help me..and thank you​
12×5 is egual to what
write 523 300 000 in scientific notation​
the body can detect many things surrounding la but which of the following is something the body can not detect A. Temperature B. Smell C. Pressure D. Radiation
Calculate the amount of heat needed to convert 230.0 g of ice at -10.0ºC to liquid water at 10.0ºC.