Question

4.
The amount of heat produced, on complete burning of tokyofaven for
in pure oxygen, equals H kilojoule. The caloriefod, of that fuel, would equal
(0.1 H) kJ/kg
(101) kJ/kg
(H+10) kJ/kg
(H-10) kJ/kg
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Answer 1

Answer:

(H+10) kj/kg is the answer of this question.

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Answer 2

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11th

Physics

Thermodynamics

Specific Heat Capacity

The heat produced on comple...

PHYSICS

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Asked on December 26, 2019 by

Quadri Aman

The heat produced on complete combustion of 10 kg of fuel could raise the temperature of 2 kg of water from 20

o

to 70

o

Calculate the calorific value.

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ANSWER

We know

Mass of fuel× calorific value=mass of water ×specific heat ×temperature difference

Given mass of fuel m

f

=10 kg and mass of water m

= 2kg

ΔT=70

0

−20

0

=50

0

C

Specific heat of water =4.186J/grams

0

C=4.186×10

−3

J/kg

0

C

Now putting the above values in the equation we get

C

V

=

10

2×4.186×10

−3

×(70−20)

=4.186×10

−2

J/kg

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