Balancing Equation And Conservation Of Matter
8 Questions
| Total Attempts: 741
This quiz is designed to help you master the concepts of conservation of matter and become more comfortable with balancing equations.
Questions and Answers
- 1.What does the Law of Conservation of Matter refer to?
- A.
Matter can not be created or destroyed.
- B.
Matter can be created but can not be destroyed.
- C.
Matter can be destroyed but not created.
- 2.What is Matter?
- 3.What side of the equation are the reactants on?
- A.
Right
- B.
Left
- C.
Middle
- D.
Both.
- 4.What are the reactants in the following equation?H2 + O → H2O
- A.
Hydrogen
- B.
Oxygen
- C.
Water
- D.
Hydrogen and Oxygen
- 5.How many atoms of N are in the following molecule?NH3
- A.
1
- B.
2
- C.
3
- D.
0
- 6.How many atoms of Fe are in the following molecule?Fe2O3
- A.
0
- B.
1
- C.
2
- D.
3
- 7.Is the following equation balanced? NH3 + HCl à NH4Cl (yes or no)
- 8.What are the correct coefficients needed to balance the following equation?____Al + _____ O2 à ____ Al2O3
- A.
2,3,4
- B.
1,3,2
- C.
4,3,2
- D.
4,2,3
A simple way to learn: practicing! By applying the Law of conservation of mass it is easy to have any chemical equation balanced! A few rules and everything is possible!
Questions: 9 | Attempts: 1569 | Last updated: Jun 6, 2017
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Sample QuestionWhat happens in a chemical reaction?
Using your newly-found
equation balancing knowledge, balance the following equations and label each
equation type.
[S]=synthesis [D]=decomposition [SR]= single
replacement ...
Questions: 5 | Attempts: 230 | Last updated: Jan 21, 2013
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Sample QuestionWhat type of reaction is this? ____ Br2 + ____ LiF -->____ LiBr + ____ F2
Type description here
Questions: 5 | Attempts: 144 | Last updated: Feb 2, 2015
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Sample QuestionTrue or False: The subscript can sometimes be changed and the coefficient can always be changed.
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