Question

Two 5 gm bars of two different metals
A and B (at. wt. x, and x, respectively,
where x >») are heated to 50°C and
then immersed in identical insulated
containers each having 100gm of
water. Which of the following is
correct?
1) A will cause greater rise in
temperature of water.
2) B will cause greater rise in
temperature of water
3) Both will cause equal rise in
temperature of water
4) None of these
please answer only if you know
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Answer 1

Answer:

We know that

Q=mc◇t

Q=100×4.2×50

Q=21000J.

Answer 2

Answer:

Material with higher specific heat will cause higher temperature Rise in water

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Water gets heated to different temperature becuase are transferring heat from heated Bars to water. how much heat we transfer comes from concept explained below for you.

Concept: specific heat capacity ( called specific heat ) is the core point of the Question.

This Heat Capacity dictates which will cause water to Boil more and how much.

higher the heat capacity, more is the heat Carried by material .

it depends on a. Mass b. Specific heat of material c .and Temperature itself.

clearly mass is same , temperature is same So Material which has Higher specific heat shall Heat water More.