Fun Chemical Reactions

Which of the Following is a Chemical change?

• Melting

• Rusting

• Boiling

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the Following is a Physical change?

• Rusting

• Melting

• Flame

What # balances the equation?
4 H2O + 7 CO2 --> ___ C7H8 + 9 O2

• 1

• 5

• 2

• 8

Tags

NGSS.HS-PS1-7

What Equation Is balanced by the #2?

• 3 ZnS + 2AlP --> 1 Zn3P2 + __Al2S3

• ___ZnS + 2 AlP --> 1 Zn3P2 + 1 Al2S3

• 3 ZnS + 2 AlP -->___ Zn3P2 + 1 Al2S3

• 3 ZnS + ___ AlP --> 1 Zn3P2 + 1 Al2S3

Tags

NGSS.HS-PS1-7

What Type of Reaction Is this?

AB -> A + B

• Double Replacment

• Single Replacement

• Synthesis

• Decompisition

Name the reaction: AB + CD -> AD + CB

• Single Replacment

• Combustion

• Double Replacment

• Synthesis

Choose all Reactions.

• Synthesis

• Double Replacement

• Single Replacement

• Decomposition

• Combustion

How many grams of CO2 are produced from the combustion of 1.72 moles of butane(C4H10)?

2 C4H10 + 13 O2 = 8 CO2 + 10 H2O

• 303

• 4021

• 343

• 430

If 103.0 g of potassium chlorate are decomposed to form 62. 7 g of potassium chloride and oxygen gas according to the equation 2KClO3  2KCl + 3O2, how many grams of oxygen are formed?

• 50.4

• 40.3

• 100.0

• 103.0

Tags

NGSS.HS-PS1-7

Whats Missing?

2Na + 2H2O  X + 2NaOH

• O2

• Mg

• H2

• Na

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5