Balance the following equation: ___ Fe + ___ H2SO4 → ___ Fe2(SO4)3 + ___ H2.

• 1, 3, 1, 3

• 2, 3, 1, 3

• 2, 6, 1, 3

• 4, 6, 2, 6

Fill in the blanks to balance the equation: ___ C2H6 + ___ O2 → ___ H2O + ___ CO2.

• 1, 3, 2, 2

• 2, 7, 6, 4

• 1, 5, 3, 2

• 2, 5, 6, 4

Tags

NGSS.HS-PS1-7

Balance the following equation: ___ KOH + ___ H3PO4 → ___ K3PO4 + ___ H2O.

• 3, 1, 1, 3

• 1, 1, 1, 1

• 2, 1, 1, 2

• 3, 2, 2, 3

Tags

NGSS.HS-PS1-7

What is the coefficient of Fe when the equation Fe + H2SO4 → Fe2(SO4)3 + H2 is balanced?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-7

In the balanced equation C2H6 + O2 → H2O + CO2, what is the coefficient of O2?

• 3

• 5

• 7

• 9

Tags

NGSS.MS-PS1-5

How many molecules of H2O are produced in the balanced equation KOH + H3PO4 → K3PO4 + H2O?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-7

What is the coefficient of SnO2 in the balanced equation SnO2 + H2 → Sn + H2O?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-7

Balance the equation: ___ Fe + ___ H2SO4 → ___ Fe2(SO4)3 + ___ H2. What is the coefficient of H2?

• 1

• 2

• 3

• 6

Tags

NGSS.HS-PS1-7

In the balanced equation C2H6 + O2 → H2O + CO2, what is the coefficient of CO2?

• 2

• 3

• 4

• 5

Tags

NGSS.HS-PS1-7

How many molecules of KOH are needed to balance the equation KOH + H3PO4 → K3PO4 + H2O?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-7