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Chemistry, 21.06.2019 22:30
1. combine iron and copper (ii) sulfate solution. (hint: iron will form the iron (iii) ion) fe + cuso4 → 2. combine lead (ii) nitrate and potassium iodide solutions. pb(no3)2+ kl → 3. combine magnesium metal and hydrochloric acid solution. mg + hcl → 4. electrolysis (splitting) of water. h2o → 5. burning magnesium. mg + o2 →
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Chemistry, 23.06.2019 13:30
Malik formed a hypothesis that an increase in atmospheric oxygen levels by 10% would cause red-legged grasshoppers to grow larger than normal. suppose that malik performs an experiment to test his hypothesis. which of these actions would represent a scientific mistake in his experiment? a. he experiments on live grasshoppers instead of preserved ones. b. he focuses on red-legged grasshoppers instead of all kinds of grasshoppers. c. he varies the nitrogen and carbon dioxide levels in the air from one trial to the next. d. he conducts the experiment in a controlled lab setting with a lab partner. e. he measures the mass and length of his specimens at the start of each trial.
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Chemistry, 24.06.2019 02:00
Sharon reads two different articles about avocados. the first article, in a weight loss magazine, claims that avocados are unhealthy because they are high in fat. the second article, in an annual publication from a doctors' group, claims that the fat in avocados is a type that is good for the heart.
Answers: 3
Chemistry, 24.06.2019 02:30
Which mixture can be separated based on differences in particle size of the components? check all that apply.sweetened teacereal and milkcarbonated drinkssmoky airvinegarperfume
Answers: 2
What does biodiversity indicate about an ecosystem...
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