Chemistry
A chemical equation is always balanced to satisfy the conditions of :
Law of constant proportions.
Gay Lussac's law
Law of conservation of mass
Law of mass action.
Answer
Law of conservation of mass
Reason — Law of conservation of mass states that the total mass of the substances on either side of the equation is the same.
In Law of constant proportions, a compound always contains the same elements in a fixed ratio by mass (e.g., water always has hydrogen and oxygen in a fixed ratio). Gay Lussac's law deals with volumes of gases in chemical reactions (gases combine in simple whole-number ratios by volume). Law of mass action relates to the rate of a chemical reaction and how it depends on the concentration of reactants.
Related Questions
In C2H4, the valency of carbon is:
- 2
- 1
- 4
- 3
Which of the following represent the correct chemical formula of a compound :
- NaSO4
- AlSO4
- NH4PO4
- Ca3N2
One "μ" stands for :
- One atom of any element
- 1/12th of hydrogen atom
- An atom of carbon (C-12)
- 1/12th the mass of carbon atom (C-12).
Which of the following statements about a compound is incorrect ?
- A molecule of a compound has atoms of different elements.
- A compound cannot be separated into its constituent elements by physical methods of separation.
- A compound retains the physical properties of its constituent elements.
- The ratio of atoms of different elements in a compound is fixed.