Chemistry, 19.07.2019 01:30 21hendlill
Astudent hypothesizes that water from infrequently used school faucets contains more chemical impurities than the water from frequently used faucets. at the same time of day, the student uses a water test kit to measure the water impurities from the different faucets. which is the manipulated variable in this investigation?
Answers: 1
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Which best describes why nh4+ can form an ionic bond with cl-?
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Chemistry, 21.06.2019 21:00
Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!
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This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.
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The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?
Answers: 1
Astudent hypothesizes that water from infrequently used school faucets contains more chemical impuri...
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