Law of Conservation of Mass 2/5/21

Does this follow the law of conservation of mass:

Yes or No

3HgO → 2Hg + O₂

• Yes

• No

Does this follow the law of conservation of mass:

Yes No

Al₂ + O₃→ Al₂O₃

• Yes

• No

What are the REACTANTS :

H₂O + CO₂ → HCO + HO

• H₂O + CO₂

• HCO + HO

Which are the PRODUCTS of this equation?

• CO₂ + H₂O

• C₆H₁₂O₆ + O₂

Does this follow the law of conservation of mass:

Yes No

Fe₂O₃ + 3C --> 2Fe + 3 CO

• Yes

• No

Does this follow the law of conservation of mass:

Yes No

• Yes

• No

Does this follow the law of conservation of mass:

Yes No

• Yes

• No

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Does this follow the law of conservation of mass:

Yes No

O_{3 --->} O + O₂

• Yes

• No

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Does this follow the law of conservation of mass:

Yes No

P₄ + 3 O₂ ---> 2 P₂O₃

• Yes

• No

Which are the reactants in the following reaction?

2Mg + O₂ ---> 2MgO

• 2MgO

• 2Mg + O₂