Chemical Formulas & Reactions Review

Balance this equation...
HgO --> Hg + O₂

• It is balanced 
• 2HgO --> Hg + O₂
• 2HgO --> 2Hg + O₂
• I don't know...Oh well!

Tags

NGSS.HS-PS1-7

What is the right part of a chemical equation called?
H_{2 +} O → H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation 

Substances that enter into a chemical reaction (found to the left side of the arrow) 

• product
• reactant
• chemical
• balanced equation

A compound that contains only carbon and hydrogen and that produces CO₂ and H₂O when burned is called a(n)

• binary compound
• carbonate
• ionic compound
• hydrocarbon

Predict the products for the decomposition of potassium chlorate: KClO3

• KCl + O2
• K2O + Cl2
• K + ClO3
• K + ClO2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-7

Predict the products for the decomposition of calcium carbonate: CaCO3

• CaO + CO2
• Ca + CO3
• CaCO2 + O2
• CaO + CO3

Predict the products for the this reaction:
K + HCl --> 

• KCl + H2
• KHCl 
• KH + Cl2
• KCl + H

Tags

NGSS.HS-PS1-2

Predict the products for the this reaction:
Mg + CuCl2 --> 

• MgCl2 + Cu
• MgCl + Cu
• MgCu + Cl2
• CuMg + Cl2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Predict the products for the this reaction:
Mg + CuCl2 --> 

• MgCl2 + Cu
• MgCl + Cu
• MgCu + Cl2
• CuMg + Cl2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Predict the products for the this reaction:
AgNO3 + KCl --> 

• AgCl + KNO3
• AgK + ClNO3
• AgNO3 + KCl
• KAg + NO3Cl