Chemical Equation

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statistics
by Dr. Osama M. Khaled last modified 2022-07-19T20:09:40+00:00

Chemical Equations and its parts

Chemical Equation
Questions #: 10
Time: 1 minutes
Pass Score: 80.0%
Style
Mode

A chemical reaction expresses a chemical change

POINTS (1)

Correct Answer

Explanation

Is this a chemical reaction?

Hydrogen reacts with oxygen to make water

POINTS (1)

Correct Answer

Explanation

Fill in the gaps of the chemical change statement

hydrogen + (1)_______ → (2)_______

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water
oxygen
POINTS (1)

Correct Answer

Explanation

What do signs mean in this statement

hydrogen + oxygen → water

  1. +
  2. → 
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two substances interact chemically
a chemical reaction takes place
POINTS (1)

Correct Answer

Explanation

Is this chemical equation represented properly?

H2 + O2 → H2O

POINTS (1)

Correct Answer

Explanation

Name the parts of the chemical equation

H2 + O2 → H2O

  1. H2
  2. O2
  3. H2O
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products
reactants
POINTS (1)

Correct Answer

Explanation

In light of the law of conservation of matter, is this a complete chemical equation?

H2 + O2 → H2O

POINTS (1)

Correct Answer

Explanation

Can we change the subscripts in the formula for water so that it has two oxygen atoms in it in order align with the law of conservation of matter?

H2 + O2 → H2O

POINTS (1)

Correct Answer

Explanation

What can you do in order to accommodate for the missing atom of oxygen in water chemical equation?

In light of the law of conservation of matter

H2 + O2 → H2O

POINTS (1)

Correct Answer

Explanation

Balance the chemical equation

Hydrogen and chlorine react to make HCl

H2 + Cl2 → [ ? ] HCl

Missing
POINTS (1)

Correct Answer

Explanation

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