If all the reactants in a reaction are completely used, which of the following statements describe the relationship between the reactants and the products?

Number of moles are calculated as mass of substance divided by mass of one mole.

When hot iron reacts with chlorine gas, the product will be ferric chloride, (FeCl₃ )instead of ferrous chloride.

If the iron reacts with hydrochloric acid to form ferrous chloride and hydrogen, then what will be the atomic mass of the product?

If the iron reacts with hydrochloric acid to form ferrous chloride and hydrogen, then what will be the atomic mass of the product?

When hot iron reacts with chlorine gas, the product will be ferric chloride, (FeCl₃ )instead of ferrous chloride.

If the reactant carbon is combined with reactant oxygen to form the product carbon dioxide, then what will be the atomic mass of the product?

Molecular mass is measured as an atomic mass unit or Dalton.

If the reactant carbon is combined with reactant oxygen to form the product carbon dioxide, then what will be the atomic mass of the product?

Molecular mass is measured as an atomic mass unit or Dalton.

In a chemical reaction, 200 grams of reactant A is combined with 50g of reactant B. Both A and B react to completion. How much will the total product weigh?

Since there is no quantity left in the products side, the calculation of total mass of product become easier.

In a chemical reaction, 200 grams of reactant A is combined with 50g of reactant B. Both A and B react to completion. How much will the total product weigh?

Since there is no quantity left in the products side, the calculation of total mass of product become easier.

What is 1 Dalton?

1 Dalton is also known as the unified atomic mass unit.

What is 1 Dalton?

1 Dalton is also known as the unified atomic mass unit.

Who believed all substances like air, water, earth, and fire are small amounts of matter?

Aristotle did not believe in Dalton's atomic theory.

Who believed all substances like air, water, earth, and fire are small amounts of matter?

Aristotle did not believe in Dalton's atomic theory.

Who has called the smaller particle or the piece “Atomos”?

There is no other element in this universe that is smaller than an atom.

Who has called the smaller particle or the piece “Atomos”?

There is no other element in this universe that is smaller than an atom.

According to law of conservation of mass, the mass of the reactant side must always be ________ to the product side.

The law of conservation of mass was proposed by Antoine Lavoisier.

According to law of conservation of mass, the mass of the reactant side must always be ________ to the product side.

The law of conservation of mass was proposed by Antoine Lavoisier.

All atoms of the same element are identical in ____ and .

The elements with the same atomic number and different atomic mass are known as isotopes.

All atoms of the same element are identical in ____ and .

The elements with the same atomic number and different atomic mass are known as isotopes.

Which of the following was not explained by Dalton’s atomic theory?

Dalton's atomic theory has many limitations including the inability to explain the presence of isotopes and allotropes.

Which of the following was not explained by Dalton’s atomic theory?

Dalton's atomic theory has many limitations including the inability to explain the presence of isotopes and allotropes.

Which of the following failed the existence of Dalton’s theory?

Dalton's theory is even disproved by the presence of isotopes.

Which of the following failed the existence of Dalton’s theory?

Dalton's theory is even disproved by the presence of isotopes.

“Dalton’s theory of same element has same mass and properties” was proved wrong by the invention of

Atomic number is determined by the number of protons and atomic mass is determined by mass of nuclei.

“Dalton’s theory of same element has same mass and properties” was proved wrong by the invention of

Atomic number is determined by the number of protons and atomic mass is determined by mass of nuclei.

Who proposed “Atoms are indivisible”.

The atoms are chemically neutral. The positive charge is balanced by the negative charge.

Who proposed “Atoms are indivisible”.

The atoms are chemically neutral. The positive charge is balanced by the negative charge.

________ are explanations of observations that are supported by reliable evidence.

To become a theory, a hypothesis needs to be tested a good number of times.

________ are explanations of observations that are supported by reliable evidence.

To become a theory, a hypothesis needs to be tested a good number of times.

All matter is made of small particles called

The positive charge in the atom is known as proton and the negative charge is known as the electron.

All matter is made of small particles called