4. The amount of heat produced, on complete burning of 10 kg of a gi

1.	4. The amount of heat produced, on complete burning of 10 kg of a given fuelin pure oxygen, equals H kilojoule. The calorific fuel, of that fuel, would equa(10 H) kJ/kg(0.1 H) kJ/kg(H+10) kJ/kg(H-10) kJ/kgplease explain with answer.
Answer» ong>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

4. The amount of heat produced, on complete burning of 10 kg of a given fuelin pure oxygen, equals H kilojoule. The calorific fuel, of that fuel, would equa(10 H) kJ/kg(0.1 H) kJ/kg(H+10) kJ/kg(H-10) kJ/kgplease explain with answer.

Answer»

ong>Answer:

We know

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

Given mass of fuel m

=10 kg and mass of water m

= 2kg

ΔT=70

−20

=50

Specific heat of water =4.186J/grams

C=4.186×10

−3

J/kg

Now putting the above values in the equation we get

2×4.186×10

−3

×(70−20)

=4.186×10

−2

J/kg