According to law of conservation of mass.
In a chemical reaction Mass is neither created nor destroyed.
- Mass of product =Mass of reactant
#1
Mass of water

#2
Mass of sulphur:-

Answer:
option B is the correct answer
Deviation of ideal gas is mainly due to interaction between the particles itself, the more they interact with each other, the more it deviates.
HBr deviate more from ideality because of the high electronegativity of bromine. an ideal gas has molecules that preform elastic collision , because bromine is solo electro negative, it may begin to attract slight positive charge of hydrogen atom on other molecules. H2 does not have dipole moment so would act like an ideal gas.
The answer is
A + oxygen ➡ energy