SIMPLE CHEMICAL REACTION PART I

A change in matter that produces one or more new substances is a ________________ change.

• physical

• chemical

A _____________ change is any change that alters the form or appearance of a substance but does not change it into another substance.

• physical

• chemical

In a chemical reaction, the _____________ are always written on the right side of the equation

• reactants

• coefficients

• products

• subscripts

A gel ice pack getting cold after you put it in the freezer for an hour - physical or chemical change? 

• Chemical Change

• Physical Change

 Turning on a Bunsen burner - physical or chemical change? 

• Chemical Change

• Physical Change

Which of the following IS a physical change?

• Getting a haircut

• Milk going sour

• Rusting metal

• A new compound being made

Chemical change are usually accompanied by the exchange of energy with the surroundings

• True

• False

What happens to the chemical structure of water when it changes state?

• Water molecules break apart to form individual atoms

• Water molecules melt into gas molecules

• Water molecules harden into ice molecules

• Nothing happens to the chemical structure

What will happen if you keep increasing both the pressure and temperature of a liquid?

• It will boil

• It will melt

• It will transpire

• It will solidify

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

• Reactants

• Yields 

• Products 

• Chemical Equation