Unit 5 (LT's 1-6) review

4Si + S₈ --> 2Si₂S₄

• Synthesis
• Decomposition
• Single displacement
• Double displacement

Tags

NGSS.MS-PS1-2

3KOH + H₃PO₄ --> K₃PO₄ + 3H₂O

• Synthesis 
• Decomposition
• Single displacement
• Double displacement

Tags

NGSS.MS-PS1-2

2Pb(NO₃)₂ --> 2PbO + 4NO₂ + O₂

• Synthesis 
• Decomposition
• Single displacement
• Combustion

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The reactants are on the left side of the chemical equation.

• True
• False

Tags

NGSS.MS-PS1-5

In a chemical equation what does the arrow represent

• Yields

• And

• Subtract

• Skip

C₄H₁₂ + O₂ --> CO₂ + H₂O

• Synthesis
• Combustion
• Single Replacement
• Double Replacement

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The blue numbers in the image below represent ________

• I don't know, and don't want to try
• coefficients
• subscripts
• none of the answers are correct

Tags

NGSS.MS-PS1-1

Balance this equation.
_CF₄ + _Br₂ -- _CBr₄ + _F₂

• 2,1,2,1
• 1,2,2,1
• 1,2,1,2
• 2,2,2,2

Tags

NGSS.HS-PS1-7

Which coefficients balance this equation:
NH₃  +  O₂ ---->   NO  + H₂O

• 2,3,5,6
• 5,5,4,6
• 4,6,4,5
• 4,5,4,6

Tags

NGSS.HS-PS1-7

Will the following reaction take place? 
AuNO₃ + Li ->

• yes 
• no

Tags

NGSS.HS-PS1-2