. One mole of hydrogen gas burns in excess of oxygen to give
290 kJ of heat. What is the amount of heat produced when 4 g
of hydrogen gas is burnt under the same conditions?
(a) 145 kJ
(b) 290 kJ
(c) 580 kJ
(d) 1160 kJ
- 2 Answers
- 10298 Views
- I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / indra kant jha
1 MOLE=ATOMIC WEIGHT OF HYDROGEN (H2)=1*2=2GMS.
SINCE 2gms of hydrogen produced heat of 290kj
hence 1gms of hydrogen produced heat of 290/2 kj
hence 4gms of hydrogen will produce heat of 290/2*4=580kj.
| Is This Answer Correct ? | 23 Yes | 2 No |
The president’s rule can be proclaimed in a state ? a) When a bill introduced by the state government in the state legislature is defeated b) If the president, on receipt of report from the governor of the state is satisfied that a situation is likely to arise in which the government of the state cannot be carried on in accordance with the provisions of the constitution c) If the president, on receipt of a report from the governor of the state, or otherwise, is the government of the state cannot be carried on in accordance with the provisions of the constitution d) When the Governor and the Chief Minister of a state differ on many matters
Which of the following countries has agreed to provide training to the Officers of the Indian Defence Services at her leading military institutions? 1 China 2 USA 3 Russia 4 Britain
Which of the following is not a member of D-8 whose second summit was held in 1999 in Dhaka? 1 Bangladesh 2 Egypt 3 Iran 4 Iraq
Barak missile deal was negotiated by India with 1 France 2 Russia 3 Singapore 4 Isreal
Mettur Dam is situated on which of the following rivers? (a) Narmada (b) Krishna (c) Mahanadi (d) Cauvery
Name the chief justice of India?
Lord North?s Regulating Act was passed during the administration of: (a) Sir Robert Clive (b) Warren Hastings (c) Lord Cornwallis (d) Sir John Shore
But for their large scale, monsoons are similar to: (1) Land and sea breezes (2) Trade winds (3) Westerlies (4) Local winds
In the year 2003, ten more European countries decided to join the European Union in May 2004, and then the total number of members in the European Union will be 1 40 2 35 3 30 4 25
Sal is a very important tree of the 1 Tropical dry deciduous forests 2 Tropical rain forests 3 Thorn forests 4 Alpine forests
Which sugar is present in considerable amount in the blood? 1 Glucose 2 Fructose 3 Galactose 4 Sucrose
Which Article of Constitution envisages free and compulsory education for children upto the age of 14 years ? a) Art 45 b) Art 19 c) Art 29 d) Art 32
UPSC 
