You visited us 3 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Chemistry

Heat Capacity

An Aluminum r...

Question

An Aluminum rod of 300 g needs to be heated to a temperature of $60^{o} C$ . What is the amount of heat required if the initial temperature of the rod is $20^{o} C$ . [Specific heat of aluminum : $0.21 c a l o r i e / g^{o} C$ ]

2250 calories

No worries! We‘ve got your back. Try BYJU‘S free classes today!

3250 calories

No worries! We‘ve got your back. Try BYJU‘S free classes today!

3000 calories

No worries! We‘ve got your back. Try BYJU‘S free classes today!

2520 calories

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D 2520 calories
.

Suggest Corrections

Similar questions

Q. A certain amount of heat is added to a mass of aluminium (specific heat

s = 0.21 c a l / g^{o} C

) and its temperature is raised by

57^{o} C

. If (suppose that) the same amount of heat is added to the equal mass of copper (

s = 0.093 c a l / g^{o} C

). The temperature rise in copper is

Q. Calculate the amount of heat energy required to raise the temperature of

100 g

of copper from

20^{o} C

70^{o} C

. Specific heat capacity of copper

= 390 J k g^{- 1} K^{- 1}

$272$ calories of heat energy is required to heat $0.02 k g$ of a metal of specific heat capacity $170 c a l k g^{- 1} ° C^{- 1}$ to a temperature T. If the initial temperature of the metal is $20 ° C$ , calculate the final temperature T.

Q. Forty calories of heat is needed to raise the temperature of 1 mole of an ideal monatomic gas from

20^{o} C

30^{o} C

at a constant pressure. The amount of heat required to raise its temperature over the same interval at a constant volume

(R = c a l - m o l^{- 1} K^{- 1})

is:

Q. A certain amount of heat is required to raise the temperature of

x g

of a substance through

t_{1}^{o} C

. The same amount of heat when taken away from

y g

of water, it cools through

t_{2}^{o} C

.Therefore, the specific heat of the substance is

Join BYJU'S Learning Program

An Aluminum rod of 300 g needs to be heated to a temperature of 60 oC. What is the amount of heat required if the initial temperature of the rod is 20 oC. [Specific heat of aluminum : 0.21 calorie/goC]

The correct option is D 2520 calories.

An Aluminum rod of 300 g needs to be heated to a temperature of $60^{o} C$ . What is the amount of heat required if the initial temperature of the rod is $20^{o} C$ . [Specific heat of aluminum : $0.21 c a l o r i e / g^{o} C$ ]

The correct option is D 2520 calories
.