. 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
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 |
Which one of these is a secretion from the body of an insect? (A) Pearl (B) Coral (C) Lac (D) None of these
Which one of the following places is famous for Stupa? (a) Allahabad (b) Sanchi (c) Sarnath (d) Vaishali
What was the estimated inflow of actual Foreign Direct Investment in India During the year 1998 (in billions of dollars) 1 3.5 2 4.0 3 4.5 4 3.0
In radio transmission, what does FM stand for? 1 Frequent Modulatiion 2 Frequency Moderation 3 Frequency Monitoring 4 Frequency Modulation
A Glacier which covers thousands of square miles is known as: (a) Continental Glacier (b) Alpine Glacier (c) Firn
Where is Sriharikota, India?s satellite launching center? 1 Kerala 2 Andhra Pradesh 3 Karnataka 4 Tamil Nadu
Who is popularly known as queen of ghazals? (a) M S Subbulakshmi (b) Siddeshwari Devi (c) Begum Akhtar (d) Nur Jehan
. Most-Favoured-Nations (MFN) clause under GATT implies (a) Most favour to some countries (b) Most favour to all countries (c) No favour to any country (d) No favour to some countries
Which Indian company made an unsuccessful attempt at a hostile takeover of Indal, a few years back? 1 HINDALCO 2 Orrisa Extrusions 3 Sterlite Industries 4 India Foils
The Constitution of India borrowed the scheme of Indian Federation from the Constitution of ? a) U.S.A. b) Canada c) Ireland d) U.K.
Which of the following companies in India has launched a new car named Indica? 1 Honda 2 Maruti 3 Fiat 4 None of these
Who has been appointed the new Solicitor General of India ? (a) B. Dutta (b) F. H. Nariman (c) Goolam E. Vahanvati (d) Soli Sorabji