Chemistry, 06.11.2021 03:00 LilBrookilyn2701
A researcher believes that his plants are not growing well due to an inappropriate amount of nitrogen in the soil. He decides to perform a test. What would most likely be his independent variable?
Group of answer choices
the amount of nitrogen
the sunlight
the amount of water
the plant’s growth
Answers: 3
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What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom
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In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?
Answers: 1
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Connect the whole numbers on the periodic table to indicate what they represent?
Answers: 3
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Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)
Answers: 1
A researcher believes that his plants are not growing well due to an inappropriate amount of nitroge...
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