12.1 Rates of reaction

What is the product of the reaction between Magnesium and Hydrochloric acid?

• Magnesium Hydroxide + Oxygen gas

• Magnesium Chloride + Hydrogen gas

• Magnesium Oxide + Hydrogen gas

• Magnesium Sulfate + Water

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

You can tell how quickly a reaction happens just by finding out ................................................

• how quickly is a reactant used up.

• how quickly does a product forms.

• the number of apparatus used.

• the number of reactant

• the number of reactant

Tags

NGSS.HS-PS1-5

We plot a ..........................................., because both variables are continuous.

• bar graph

• line graph

• pie chart

• bar chart

When plotting line graph we place the variable that changes on the .....................................

• x-axis

• y-axis

• z-axis

• a-axis

• c-axis

When plotting line graph we place the variable we measure on the .....................................

• x-axis

• y-axis

• z-axis

• a-axis

• c-axis

When plotting line graph if the graph rises steeply this means that the rate of the reaction is ............................

• slow

• fast

• not changing

Tags

NGSS.HS-PS1-5

When plotting line graph if the graph gets less steep this means that the rate of the reaction is getting ......................................

• slower

• fast

• not changing

Tags

NGSS.HS-PS1-5

All chemical reactions happen very fast.

• True.

• False

Tags

NGSS.HS-PS1-5

In a reaction that makes a gas, the total amount of gas made by the end of each minute shows how the rate of reaction changes over time.

• True.

• False

Tags

NGSS.HS-PS1-5

Rusting is a ............................chemical reactions.

• very fast

• slow

Tags

NGSS.HS-PS1-5