| ⇦ | 
| ⇨ |
Heat produced on burning 6.3 g of a fule raises the temperature of 1.5 kg of water from 30⁰C to 60⁰C.Given that the specific heat of water is 4.2 J/g ⁰C.Calculate the calorific value of the fuel.
Options
(a) 30 kJ/mol
(b) 30 kJ/g
(c) 30 kJ/kg
(d) 30 kJ/mg
Correct Answer:
30 kJ/g
Explanation:
Q = msΔt ,
Q = 1.5 x 4.2 x (60-30) x 1000, Q = 189 x 10³ J , Calorific value = 189 x 10³ / 6.3 = 30 kJ/g.
Related Questions: - The boiling point of glycerol is more than propanol because of
- The strongest reducing agent among the following is
- The Formation of the oxide ion, O²⁻ from oxygen atom requires first an exothermic
- The entropy change in the conversion of a solid into its different states
- What is formed when nitrobenzene is reduced using zinc and alkali
Topics: Thermodynamics
(179)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The boiling point of glycerol is more than propanol because of
- The strongest reducing agent among the following is
- The Formation of the oxide ion, O²⁻ from oxygen atom requires first an exothermic
- The entropy change in the conversion of a solid into its different states
- What is formed when nitrobenzene is reduced using zinc and alkali
Topics: Thermodynamics (179)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply