A balanced chemical equation is based on the law of?...
A balanced chemical equation is based on the law of?
Periodicity
Constant composition
Multiple proportion
Conservation of mass
Correct answer is D
The law of conservation of mass is important because it allows us to predict the amount of product formed in a chemical reaction, as well as the amount of consumed reactant.
A metal M displaces zinc from zinc chloride solution. This shows that ...
C(s) + 2S(g) → CS2(g) ΔH = +89 kJ mol-1 The chemical equation above implies that...
The shape of ammonia molecule is? ...
Which of the following CANNOT be obtained by fractional distillation of petroleum? ...
The number of g-molecule of oxygen in 6.02 x 1024CO molecules is ...
The molar mass of a compound X is 56. its empirical formula is CH2. X is ...
The gas that is most useful in protecting humans against solar radiation is? ...