Chemistry, 07.12.2019 23:31 Jasmineemarieee
1. water is easily contaminated by both biological and chemical contaminants. define and give 3 examples of each
2. what happens when you mix an acid and a base
3. how does ppm compare to ppb
4. how are coagulation and filtration used to clean water
5. dante adds a small amount of sugar to a cup of warm water. after a period of time, the sugar is no longer visible. what happened to the sugar?
Answers: 1
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Over the last 90 years, scientists have added to the body of evidence supporting the big bang theory. what is the latest piece of evidence discovered in 2014?
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Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium
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The molar mass of iron(fe) is 55.8 g/mol. what is the mass in grams of 2.25 moles of iron?
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1. water is easily contaminated by both biological and chemical contaminants. define and give 3 exam...
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