Chemical reactions

True or False
In a chemical reaction, no new atoms are created, and no atoms are destroyed. 

• true
• false

Tags

NGSS.MS-PS1-5

The right side of the equation below is called the

• products
• reactants

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The following is what type of reaction:
PbCl₂ + AgNO₃ → Pb(NO₃)₂ + AgCl

• Synthesis
• Decomposition
• Single Replacement
• Double Replacement

Tags

NGSS.MS-PS1-2

The following is what type of reaction:
NH₃ + HCl  → NH₄Cl

• Synthesis
• Decomposition
• Single Replacement Replacement
• Double Replacement Replacement

Tags

NGSS.MS-PS1-2

What type of chemical reaction is this?
Al(OH)₃ → Al₂O₃  + H₂O

• Decomposition
• Combustion
• Synthesis
• Single Replacement 

Tags

NGSS.MS-PS1-2

3Ca + 2AlCl₃ --> 3CaCl₂ + 2Al

• Synthesis
• Decomposition
• Single Displacement
• Double Displacement

Tags

NGSS.MS-PS1-2

4Si   + S₈   -->   2Si₂S₄

• Synthesis
• Decomposition
• Single Displacement
• Double Displacement

Tags

NGSS.HS-PS1-7

C₄H₁₂ + O₂ → CO₂ + H₂O

• Synthesis
• Combustion
• Single Replacement
• Double Replacement

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

2Pb(NO₃)₂   -->   2PbO +  4NO₂  +  O₂

• Synthesis
• Decomposition
• Single Displacement
• Combustion

Balance this equation...
H₂ + Cl₂ --> HCl

• It is balanced 
• 3H₂ + Cl_{2 -->} 6H₂Cl
• H₂ + Cl_{2 --> 2HCl}
• I don't know! Oh well.

Tags

NGSS.MS-PS1-5