Experiment 1
5.0(1)
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29 Terms
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chemical reaction
one or more new substances are produced
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product
properties and composition are different
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chemical equation
used to reveal the four patterns of chemical reactivity
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combination reaction
two or more reactants from one product
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decomposition reaction
compound breaks into two or more substances
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single-replacement reaction
element and a compound react to form another element or compound
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double-displacement reaction
two compounds switch places to form new products; one is usually a precipitate
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HCl
hydrochloric acid
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3M
__hydrochloric acid (HCl)
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AgNO3
silver nitrate
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0\.1M
__silver nitrate (AgNO3)
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Na2CrO4
sodium chromate
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C12H22O11
sucrose
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Mg ribbon and distilled water
reagent/s used in combination reaction
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sucrose
reagent/s used in decomposition
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mossy zinc and hydrochloric acid
reagent/s used in single-replacement
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sodium chromate and silver nitrate
reagent/s used in double displacement
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Mg ribbon; crucible tongs; bunsen burner
combination:
hold a small piece of -- with a pair of --. ignite it using a --.
hold a small piece of -- with a pair of --. ignite it using a --.
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test tube; 20; water; stirring rod; blue and red litmus papers; watch glass
combination:
drop the product into a --, add -- drops of -- , and shake the contents well. Dip a -- in the mixture and let it touch -- seated on a --.
drop the product into a --, add -- drops of -- , and shake the contents well. Dip a -- in the mixture and let it touch -- seated on a --.
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pinch; sucrose; deflagrating spoon; no further
decomposition:
place a -- of -- in a -- and heat it with the sugar until -- change is seen.
place a -- of -- in a -- and heat it with the sugar until -- change is seen.
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20; 3M HCl; test tube; 1; mossy zinc
single replacement:
place -- drops of -- into a -- and add -- piece of --.
place -- drops of -- into a -- and add -- piece of --.
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10; 0.1 sodium chromate; test tube; 10; 0.1M silver nitrate
double displacement:
place -- drops of -- into a -- and add -- drops of --.
place -- drops of -- into a -- and add -- drops of --.
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law of conservation of mass
atoms are neither created nor destroyed in a chemical reaction
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symbol for heat
△
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reactivity
whether or not an element can displace another element that is a part of a compound is determined by its --
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False - HCl is corrosive which is why it should always be in the fume hood
T or F: HCl is NOT corrosive, so the bottle should always be in the fume hood.
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False - heavy metal waste bottle
T or F: silver nitrate, sodium chromate, and mossy zinc dissolved in HCl must be disposed in the heavy metal waste bin.
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False - biodegradable
T or F: litmus paper must be disposed in the non-biodegradable trash bin
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True
T or F: labels of beakers must be disposed in the biodegradable trash bin