Unit 5 - Chemical Reactions Refresh

What is the left side of a chemical equation called?
H_{2 +} O₂ → H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation 

Tags

NGSS.MS-PS1-5

What type of reaction is shown below?

3 Pb + 2 H₃PO₄ → 3 H₂ + Pb₃(PO₄)₂

• Synthesis

• Decomposition

• Single replacement

• Double replacement

Tags

NGSS.MS-PS1-2

What type of reaction is shown below?

Si + S₈ → Si₂S₄

• Synthesis

• Decomposition
• Single replacement
• Double replacement

Tags

NGSS.HS-PS1-2

What type of reaction is shown below?

KOH + H₃PO₄ → K₃PO₄ + H₂O

• Synthesis

• Decomposition
• Single replacement
• Double replacement

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which type of reaction occurs when one element replaces another in a compound?

• Synthesis
• Combustion
• Single Replacement
• Double Replacement

Tags

NGSS.MS-PS1-2

What type of reaction separates one reactant into multiple products?

• Decomposition
• Synthesis
• Combustion
• Single Replacement

Tags

NGSS.HS-PS1-7

What type of reaction is shown below?

C_xH_y + O₂ → H₂O + CO₂

• Decomposition
• Double Replacement

• Combustion
• Single Replacement

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Na₂O + P₄O₁₀ → Na₃PO₄

Which description below matches this reaction?

• sodium oxide and phosphorus oxide yield sodium phosphate

• sodium oxide and tetraphosphorus decoxide yield sodium phosphate

• disodium oxide and phosphorus decoxide yield sodium phosphate

• sodium (I) oxide and tetraphosphorus decoxide yield sodium (I) phosphate

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-1

Balance the following equation:

_ Al(OH)₃ + _ HBr → _ AlBr₃ + _ H₂O

_{(Coefficients are ordered left to right.)}

• 1, 1, 3, 3

• 1, 3, 1, 3

• 3, 1, 3, 1

• 3, 3, 1, 1

Tags

NGSS.MS-PS1-5

Balance the equation.

_ N₂ + _ H₂ → _ NH₃

_{(Coefficients are ordered left to right.)}

• 2, 3, 1

• 2, 1, 3

• 3, 1, 2

• 1, 3, 2

Tags

NGSS.MS-PS1-5