Honors Unit 5 Types of Chemical Reactions

Which of the following is an example of a chemical change?

• melting a stick of butter
• dissolving salt in water
• using magnesium to displace hydrogen gas from water

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A chemical reaction is balanced when

• both sides have the same elements
• Both sides have the same  number of atoms
• Same subscripts
• Same coefficients

Tags

NGSS.MS-PS1-5

When balancing equations a ____ can be placed to the left of a formula of a substance to make the equations balanced

• charge
• subscript
• random number
• coefficient

Tags

NGSS.HS-PS1-7

What type of reaction is the equation C + O₂ → CO₂?

• Synthesis Reaction
• Decomposition Reaction
• Single Displacement Reaction
• Double Displacement Reaction

Tags

NGSS.MS-PS1-2

What type of reaction is the equation 2NaCl →2Na +Cl₂?

• Synthesis Reaction
• Decomposition Reaction
• Single Displacement Reaction
• Double Displacement Reaction

Tags

NGSS.MS-PS1-2

Cu(s) + 2AgNO₃(aq) → 2Ag(s) + Cu(NO₃)₂(aq)

• Synthesis Reaction

• Decomposition Reaction

• Single Displacement Reaction

• Double Displacement Reaction

Ca₃(PO₄)₂ (aq) + 3H₂SO₄ (aq) → 3CaSO₄ (s) + 2 H₃(PO₄)(aq)

• Synthesis Reaction

• Decomposition Reaction

• Single Displacement Reaction

• Double Displacement Reaction

Which of the following are PRODUCTS?
H₂O + CO₂ → HCO + HO

• H₂O and CO₂
• HCO and HO
• H₂O ONLY
• HCO ONLY

Tags

NGSS.HS-PS1-7

Consider the chemical equation CH₄ + 2 O₂ → CO₂ + 2 H₂O. In this equation, CH₄ is a

• product
• reactant
• displacement

Tags

NGSS.MS-PS1-5

Balance this reaction: ____ Na₃PO₄ + ____ KOH ---> ____ NaOH + ____ K₃PO₄

• 1,3,3,1
• 1,3,2,1
• 2,3,3,1
• 1,1,3,1

Tags

NGSS.HS-PS1-7