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Unit 8
Chemistry
| Question | Answer |
|---|---|
| Define stoichiometry. | Can determine the quantities of reactants and products in a chemical reaction from a balanced chemical equation. The overall mass does not change during a reaction. |
| What is the law of conservation of mass? | Where the overall mass does not change during a reaction. |
| How do you calculate mole to mole? | n(moles)=m(mass)/M(molar mass) |
| How do you calculate mass to mass? | Mass in grames (given)x1 mol/molar mass. Then do mole unknown/mole known. Lastly, do mole unknown x molar mass/1 mol |
| Define theoretical yield. | Is the maximum amount of product that could be formed from a given amount of reactants. |
| Define actual yield. | Is the amount of product that actually forms when the reaction is carried out. |
| Define percent yield. | Actual yield/theoretical yield x 100 |
| Define limiting reagent. | The amount of a product made in a chemical reaction may be limited by the amount of one or more reactants. (Smaller) |
| Define extra excess reagent. | Is a reactant hat is not all used up in a reaction. |
Created by:
CoraEvelynnBaker
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