Answers: 2
Chemistry, 21.06.2019 13:50
An engineering team designs a new rocket that is faster and lighter than any other model being produced. however, the materials end up being so expensive that no company can afford to buy them. which step of the engineering process should have addressed this problem? a. know the background. b. evaluate the results. c. identify a need. d. do the work.
Answers: 2
Chemistry, 21.06.2019 22:30
Complete the sentence. the lower the hydrogen ion concentration, the the ph. higher lower closer to 7 closer to 0
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Chemistry, 21.06.2019 22:30
1.aluminum chloride (alcl3), and sodium hydroxide (naoh) can react to form aluminum hydroxide (al(oh)3) and sodium chloride (nacl). you have 13.4 g of aluminum chloride and 10.0 g of sodium hydroxide. answer the following questions: β’what is the balanced equation for this reaction? β’if you use all 13.4 g of aluminum chloride, how many grams of aluminum hydroxide can be formed? work must be shown to earn credit β’if you use all 10.0 g of sodium hydroxide, how many grams of aluminum hydroxide can be formed? work must be shown to earn credit β’how many grams of aluminum hydroxide will actually be made? which reagent is limiting? explain your answer.
Answers: 1
Chemistry, 22.06.2019 08:30
What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots
Answers: 3
Mention any three drawbacks of Mendeleev periodic table.β...
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