Home
Class 11
PHYSICS
The specific heat of a substance varies ...

The specific heat of a substance varies with temperature `t(.^(@)C)` as
`c=0.20+0.14t+0.023t^2 (cal//g^(@)//C)`
The heat required to raise the temperature of 2 g of substance from `5^@C` to `15^@C` will be

A

24 cal

B

56 cal

C

82 cal

D

100 cal

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

The specific heat of an ideal gas varies with temperature T as

Heat required to raise the temperature of 1 mole of a substance by 1^(@) C is called

The specific heat of a substance varies with temperature according to c =0.2 +0.16 T + 0.024 T^(2) with T in "^(@)c and c is cal//gk . Find the energy (in cal) required to raise the temp of 2g substance from 0^(@)to 5^(@)C

The molar heat capacity of a certain substance varies with temperature "T" as c = a + bT where a = 27.2 J mol-1 K-2. Then the heat necessary to change the temperature of 2 moles of this substance from 27°C to 427°C is

The amount of heat required to raise the temperature of 2 mole of monoatomic gas under isobaric condition from 0^(@)C to 50^(@)C will be :-

The amount of heat energy required to raise the temperature of 1 g of Helium at NTP, from T_(1) K to T_(2) K is :

The molar heat capacity of a certain substance varies with temperature according to the given equation C=27.2+(4xx10^-3)T The heat necessary to change the temperature of 2 mol of the substance from 300 K to 700 K is

The specific heat of many solids at low temperatures varies with absolute temperature T according to the relation S=AT^(3) , where A is a constant. The heat energy required to raise the temperature of a mass m of such a solid from T = 0 to T = 20 K is

Copper metal has a specific heat of 0.385 J/ g^@C and has melting point of 1083^@C . Calculate the amount of heat required to raise the temperature of 22.8 g of Cu from 20.0^@c " to " 875^@C .

105 calories of heat is required to raise the temperature of 3 moles of an ideaol gas at constant pressure from 30^(@)C to 35^(@)C. The amount of heat required in calories to raise the temperature of the gas though the range (60 ^(@)C to 65^(@)C) at constant volume is (gamma = (C_(p))/( C_(v)) = 1.4)