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- 1. Multiple Choice
In this image, what are the information in red is called the_______.ProductReactantChemical SubscriptCoefficient - 2. Multiple ChoiceIn this image, what are the information to the right of the arrow (in black) is called the_______.ProductReactantChemical Subscript
- 3. Multiple ChoiceThe law of conservation of mass states that....Matter can be madeMatter can be destroyedMatter can neither be made or destroyedMatter can evaporate
- 4. Multiple ChoiceIs this balanced?...
Al + O2 --> 2Al2O3Yes!NO! - 5. Multiple ChoiceAt the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?the product is doubledthe product is half the mass of the reactantsthe mass is the samethe mass changes depending on the reaction
- 6. Multiple ChoiceWhy is the following chemical equation not balanced?
H2 + O2 --> H2Oeach side of the equation has a different number of oxygen atomseach side of the equation has a different number of hydrogen atomseach side has the same mass - 7. Multiple ChoiceHow many atoms of aluminum are on each side of the following equation: 4Al + 3O2 --> 2Al2 O32614
- 8. Multiple ChoiceHow many atoms of aluminum are on each side of the following equation: 4Al + 3O2 --> 2Al2 O32614
- 9. Multiple ChoiceIs the following equation balanced or unbalanced?
Fe + S --> FeSbalancedunbalanced - 10. Multiple ChoiceWhat coefficient should be used to make the following equation balanced?
N2+O2--> _NO1234 - Answer choicesTagsAnswer choicesTags