+91-87964 74404
FlagBACK
Question icon
Grade 12Thermal Physics

the amount of heat required to raise the temperature of 100gm water from 20 degree celsius to 40 deghree celsius will be

Profile image of kashish
6 Years agoGrade 12
Answers icon

2 Answers

Profile image of Vikas TU
6 Years ago
We use the heat equation. Q=mcΔT.
Where, m is the mass of water in kg, c is specific heat capacity in J∙kg−1°C−1 and ΔT the temperature difference.
In this case ,
Q=0.1×4180×(40–20)
= 8360 J, the amount of heat required to do that.
Profile image of Khimraj
6 Years ago
𝑄=𝑚𝑐Δ𝑇 Where, m is the mass of water in kg, c is specific heat capacity in J•kg−1°C−1 and ΔT the temperature difference. Q=0.1×4180×(40–20) = 8360 J

Other Related Questions on thermal physics

question mark
A container filled with a sample of an Idea gas at the pressure of 1.5atm. the gas is compressed isothermal ly to one fourth of its original volume. What is the new pressure of the gas?
 
thermal physics
1 Answer Available

Last Activity: 3 Years ago

question mark
how do we know the electric field due to an electric dipole of dipole moment P at distance r from the centre of dipole is fiven by .. where theta is angle between p amd r vector..
thermal physics
1 Answer Available

Last Activity: 4 Years ago

question mark
A A mole of helium gas initially at stp undergoes an isovolumetric process in which its pressure falls to half its initial value. The work done by gas is
 
thermal physics
1 Answer Available

Last Activity: 4 Years ago

question mark
  1. 5000 J of heat are added to two moles of an ideal monatomic gas, initially at a temperature of 500 K, while the gas performs 7500 J of work. What is the final temperature of the gas? step by step please
thermal physics
1 Answer Available

Last Activity: 4 Years ago

question mark
Please help me with the  answer of this question  related to radiation graph
thermal physics
1 Answer Available

Last Activity: 4 Years ago