Type of Reactions and Balancing

Which type of reaction is: C₂H₄ + 3 O₂ → 2 CO₂ + 2 H₂O

• Synthesis

• Decomposition

• Single Displacement

• Combustion

Which type of reaction is: 4 (NH₄)₃PO₄ + 3 Pb(NO₃)₄ → 12 NH₄NO₃ + Pb₃(PO₄)₄

• Synthesis

• Decomposition

• Single Displacement

• Double Displacement

Which type of reaction is: 2 K + MgBr₂ → 2 KBr + Mg

• Synthesis

• Decomposition

• Single Displacement

• Double Displacement

Balance this equation
_Zn+_HCl-->_ZnCl₂ +_H₂

• 1,1,2,1

• 1,1,1,2

• 1,2,1,1

• 2,1,1,1

Tags

NGSS.MS-PS1-5

Which problem is balanced?

• PbO₂ + 2H₂

• SO₂ + H₂0 --> H₂SO₄

• 2Na + 2H₂O --> 2NaOH + H₂

Which type of reaction is:

2 H₃AsO₄ → As₂O₅ + 3 H₂O

• Synthesis

• Decomposition

• Single Displacement

• Combustion

The numbers needed to balance the equation are:

• 2, 7, 6, 4

• 2, 1, 3, 2

• 3, 1, 1, 3

• 2, 3, 1, 3

Tags

NGSS.HS-PS1-7

What do you call the number in front of each molecule (Red) ?

• Coefficient

• Subscript

• Reactant

• Products

Tags

NGSS.HS-PS1-7

This pictures simulates what type of reaction?

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

Tags

NGSS.MS-PS1-2

Si + S₈ --> Si₂S₄

• Synthesis (combination)

• Decomposition

• Single replacement

• Double replacement

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5