Mechanical Engineering - Thermodynamics - Discussion

Discussion :: Thermodynamics - Section 4 (Q.No.2)

2.

The oxygen atom is __________ times heavier than the hydrogen atom.

 [A]. 2 [B]. 4 [C]. 8 [D]. 16

Explanation:

No answer description available for this question.

 Sagar Ghanti said: (Aug 27, 2015) But how?

 Amit said: (Aug 30, 2015) Mass number of H = 2. Mass number of O = 32. Ratio = 16.

 Kumaresh said: (Oct 18, 2015) Molecular weight of H = 2.016. Molecular weight of O = 32. So 32/2.016 = 15.87 = 16.

 Anand said: (Oct 18, 2016) Molecular weight of O is 16 only. For O2 -> 32. So, the answer is 16/2 = 8.

 Tushar Sanghi said: (Mar 17, 2017) The answer should be 8.

 Er Dheeraj Yashraj said: (Jul 25, 2017) The answer is 8.

 Rajnikant said: (Jul 26, 2017) Yes, answer should be 8.

 Akash said: (Oct 24, 2017) According to me, the correct answer is 8.

 Mohtesan Maqsood said: (Oct 25, 2017) Atomic mass of hydrogen is 1 & oxygen is 16. So, the oxygen atom is 16 times heavier than a hydrogen atom.

 Swithin said: (Nov 10, 2017) Atomic weight of hydrogen is 1 and oxy is 16.

 Deepak S said: (Feb 26, 2018) The molar mass of O2 = 2*16 = 32 The molar mass of H2 = 2*1 = 2 As w.k.t. atomic mass of both oxygen and hydrogen is 16 and 1 respectively, Hence ratio of their masses = 32/2 = 16.

 Surendra said: (Apr 8, 2018) Atomic mass of H = 1, Atomic mass of O =16. So, the ratio of the atomic mass of both is 16. Oxygen atom 16 times heavier than hydrogen atom.

 Sparta Somu said: (Apr 19, 2018) O+O =O2. 16+16 =32, 16/2 + 16/2 = 32/2, 8+8=16.

 Shahbaz Ali said: (Jul 4, 2018) Atomic mass of Oxygen is 16. Atomic mass of Hydrogen is 1. So it's ratio is 16/1=16. Answer. So, option is D