Balancing Act - QUIZ

What number fills in the blank to balance the equation?

_ CaO + 2HCl → CaCl₂ + H₂O

What number fills in the blank to balance the equation?

3 Li + _ YbCl₃ → Yb + 3 LiCl

Tags

NGSS.HS-PS1-7

What number fills in the blank to balance the equation?

2 Al(OH)₃ + _ H₂SO₄ → 6 H₂O + Al₂(SO₄)₃

Tags

NGSS.HS-PS1-7

What number fills in the blank to balance the equation?

_ CH₄+ 2 O₂ → 2 H₂O + CO₂

What number fills in the blank to balance the equation?

2 Na₂O₂ + _ H₂O → 4 NaOH+ O₂

Tags

NGSS.HS-PS1-7

What number fills in the blank to balance the equation?

H₂CrO₄ + _ AgNO₃ → Ag₂CrO₄ + 2HNO₃

What are the correct coefficients to fills in the blank that balance the equation?

2 Fr +  _ H₂O → 2 FrOH + _H₂

• 1, 1

• 2, 1

• 2, 2

• 1, 2

Tags

NGSS.HS-PS1-7

What are the correct coefficients to fills in the blanks that balance the equation?

_ Ca + _ O₂ → 2 CaO

• 1, 1

• 2, 1

• 2, 2

• 1, 2

Tags

NGSS.HS-PS1-7

What are the correct coefficients to fills in the blanks that balance the equation?

2 FeCl₃ + 3 (NH₄)₂S → _ Fe₂S₃ + _ NH₄Cl

• 1, 3

• 2, 6

• 1, 6

• 1, 12

Tags

NGSS.HS-PS1-7

What are the correct coefficients to fills in the blanks that balance the equation?

_ C₂H₃O₂Br + _ O₂ → 4 CO + 2 H₂O + _ HBr

• 2, 1, 2

• 4, 3, 6

• 2, 3, 6

• 2, 1, 3

Tags

NGSS.HS-PS1-7