Balancing equations

Front

Is this equation balanced?

Back

no

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

Fill in the blanks with coefficient: PCl₅+_ H₂O→_ HCl+H₃PO₄

Back

4, 5

Tags

NGSS.MS-PS1-5

Front

Balance this equation
_Zn+_HCl-->_ZnCl₂ +_H₂

Back

1,2,1,1

Tags

NGSS.MS-PS1-5

Front

Balance this equation:
_Mg + _Cl₂ --> _MgCl₂

Back

already balanced

Tags

NGSS.MS-PS1-5

Front

Balance this equation
_N₂ + _H₂ --> _NH₃

Back

1,3,2

Tags

NGSS.MS-PS1-5

Front

How many atoms of aluminum are on each side of the following equation: 4Al + 3O₂ --> 2Al₂ O₃

Back

4

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Front

At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?

Back

the mass is the same

Tags

NGSS.MS-PS1-5

Front

N₂ + H₂ = NH₄

Back

Unbalanced

Tags

NGSS.MS-PS1-5

Front

What does the Law of Conservation of Mass state?

Back

Matter cannot be gained or lost in a chemical reaction.

Tags

NGSS.MS-PS1-5

Front

Name the part in red:

H₂ + O₂ -> H₂O

Back

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