Chemical Reactions

Front

Is the following equation balanced? Al + O₂ ---> 2Al₂O₃

Back

NO

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is the number before a chemical formula called? Example: 2H₂ + O₂ ---> 2H₂O

Back

Coefficient

Front

During a chemical reaction, atoms ________.

Back

get rearranged

Tags

NGSS.MS-PS1-5

Front

Law of Conservation of Mass

Back

It states that matter cannot be created or destroyed.

Tags

NGSS.MS-PS1-5

Front

How many HCl molecules do you need to balance this equation? Mg + __HCl ---> MgCl₂ + H₂

Back

2

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

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

Back

Reactants

Front

How many atoms of carbon (C) are in C₆H₁₂O₆?

Back

6

Tags

NGSS.MS-PS1-1

Front

How many Aluminum are in Al₂O₃?

Back

2

Tags

NGSS.MS-PS1-1

Front

How many Sodium (Na) are in 6NaCl?

Back

6

Tags

NGSS.MS-PS1-1

Front

Total number of atoms in 5Na₃PO₄

Back

40

Tags

NGSS.MS-PS1-1