Chemistry Unit 7 Lesson 1: Chemical Equations Practice

How many sulfur atoms are present in this molecule?

In the molecule below, which of the following choices is a subscript? (Select all that apply)

• 3

• 2

• 4

• SO

Tags

NGSS.MS-PS1-1

In the molecule below, which of the following choices is a coefficient? (Select all that apply)

• 3

• 2

• 4

• SO

Tags

NGSS.HS-PS1-7

Which of the following would be considered a product of this reaction?

• Potassium bromide

• Silver (I) nitrate

• Potassium nitrate

• Potassium silveride

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which equation below matches the description above?

• AlBr₃ + Cl₂ --> AlCl₃ + Br₂

• AlCl₃ + Br₂ --> AlBr₃ + Cl₂

• AlBr + Cl₂ --> AlCl + Br₂

• AlCl + Br₂ --> AlBr + Cl₂

Tags

NGSS.HS-PS1-2

Which equation below matches the description above?

• Na₃PO₄ + CaCl₂ --> Ca₃(PO₄)₂ + NaCl

• Ca₃(PO₄)₂ + NaCl --> Na₃PO₄ + CaCl₂

• CaPO₄ + NaCl --> NaPO₄ + CaCl

• NaPO₄ + CaCl --> CaPO₄ + NaCl

How many hydrogen atoms are in the reactant side of this equation?

• 2

• 4

• 1

• 0

Tags

NGSS.HS-PS1-7

Which of the following is the correct reactants for this equation?

• KI_(aq) + AgNO_3(aq)

• K₂I_(aq) + AgNO_(aq)

• KI + AgNO₃

• KI_(g) + AgNO_3(q)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following would be found as a product in an equation that produced so much heat the water was being vaporized?

• H₂O_(g)

• H₂O_(l)

• H₂O_(s)

• H₂O

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When the product or reactant of an equation has been dissolved in water its state is referred to as ___________.

• solute

• solvent

• liquid

• aqueous