Chemical Reactions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| In what type of chemical reaction do two elements combine into one compound? | Combination
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| In what type of chemical reaction does a compound split apart into its individual elements? | Decomposition
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| In what type of chemical reaction does an element react with a compound and replace one of the elements in that compound? | Single Replacement
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| In what type of chemical reaction do two compounds switch partners and create two entirely different compounds? | Double Replacement
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| In what type of chemical reaction does Oxygen react & combine with other elements or compounds? | Oxidation
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| What is another name for the Oxidation reaction? | Combustion
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| What is usually one of the products in an Oxidation reaction? | Water
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| How can you tell if a chemical equation is balanced? | When there are the same number of atoms of each element in the reactants as in the products (on the lefts side of the arrow as on the right side of the arrow.)
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| Which number in a chemical equation refers to the number of atoms in a compound, the large coefficient number or the small subscript number? | The small subscript number.
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| Which number in a chemical equation refers to the number of molecules or formula units of a compound, the large coefficient number or the small subscript number? | The large coefficient number.
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| What scientific law is represented by the balancing of a chemical equation? | The Law of Conservation of Mass.
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| True or False: Atoms are conserved during a chemical reaction. | True
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| True or False: Molecules are conserved during a chemical reaction. | False
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| What are chemical bonds? | The forces that hold atoms together in a compound.
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| In a chemical reaction what happens to the chemical bonds? | Original bonds of the reactants are broken and new bonds are formed to create the products.
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| Mole | The weight in grams of a substance equal to its total atomic mass.
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| Acid-Base Reaction | Usually produced a salt + water.
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| both are neutralized | Acid-Base Reaction
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| Endothermic | Needs heat to make reaction happen
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| Heat goes into reaction | Endothermic
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| Exothermic | Heat goes out of reaction.
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| Produces heat. | Exothermic
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Created by:
kastega