Homework 12/3/24

Which is the product of 2Na and 2H₂O

• NaOH₂

• 2NaOH₂

• H₂

• 2Na

What is the left part of a chemical equation called?
2H_{2 +} O₂ --> 2H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation 

What is the right part of a chemical equation called...
2H_{2 +} O₂ --> 2H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation 

Identify the Reactants in this equation.

• A

• B

What type of change is melting an ice cube?

• Physical change

• Mental change

• Chemical change

• Hyper change

A substance that is formed as the result of a chemical reaction

• Product

• Reactant

• Starters

• Enders

In the following equation, what are the reactants?
CaO + 3 C → CaC₂ + CO

• CaO + 3 C
• CaC₂ + CO
• 3 C → CaC₂
• the stuff on the outside

In the following equation, what are the products?
HCl + Zn → H₂ + ZnCl₂

• HCl + Zn
• H₂ + ZnCl₂
• Zn → H₂
• the stuff on the outside

How do you determine if a chemical reaction has occured?

• fizzing occurs

• color change

• temperature change

• a production of gas

• a precipitate forms

What is not a state of matter?

• solid

• liquid

• gas

• energy