Regents Chemistry Reactant

What tells you how many molecules are present?

• reactant

• product

• subscript

• coefficient

The substances listed on the left side of a chemical equation are the

• Products
• Coefficients
• Precipitates
• Reactants

What are the products of the chemical reaction pictured?

• CH₄ and CO₂

• CH₄ and O₂

• CO₂ and H₂O

• O₂ and H₂O

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the left part of a chemical equation called?
H_{2 +} O → H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation 

How many products are in A + B ---> C

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

How many reactants are in A + B ---> C ?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-5

Consider the chemical equation CH₄ + 2 O₂ → CO₂ + 2 H₂O. In this equation, CH₄ is a

• product
• reactant
• displacement

2H₂ + O₂ ----> 2H₂O What is the product?

• ------>
• 2H₂O
• 2H₂+ O₂

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which are the reactants in the following reaction?

2Mg + O₂ ---> 2MgO

• 2MgO

• 2Mg +O

• 2Mg + O₂

Tags

NGSS.MS-PS1-1

How many reactants are there: AB + CD --> AD + CB

• 1

• 4

• 2