10 Questions
What is the purpose of chemical equations in representing chemical reactions?
To show the stoichiometry of the reaction
Who is credited with formulating chemical equations first?
Jean Beguin
What do we call the initial substances in a chemical reaction?
Reactants
What symbol is used in chemical equations to represent a state of chemical equilibrium?
<=>
In a chemical equation, what does the symbol '→' indicate?
The net forward reaction
What is a concise way of representing a chemical reaction?
Chemical equation
Which term refers to the final substances formed in a chemical reaction?
Products
What can separate the reactants and products in a chemical equation?
=
'2H2+O2→2H2O' represents a chemical reaction. What does '2H2' signify in this equation?
2 molecules of hydrogen gas
'2Na(s) + Cl2 → 2NaCl(s)' is an example of which type of reaction?
Synthesis
Test your knowledge on the differences between chemical changes and physical changes. Understand the concepts behind chemical reactions, including the formation of new substances and energy involvement.
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