In this reaction, the chromium is reduced, from cr6+ to cr3+, causing a color change in the solution, signaling the endpoint. determine the mass percent ethanol in a 40.0 g blood sample, if the sample required 22.6 ml of 0.05 m k2cr2o7 to react completely with all the ethanol answers
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Chemistry, 21.06.2019 15:50
Which of these reactions are redox reactions? check all that apply.cd + hcl → cdcl2 + h2cucl2 + na2s → 2nacl + cuscaco3 → cao + co2 2zns + 3o2 → 2zno + 2so2 ch4 + 2o2 → co2 + 2h2o
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Chemistry, 21.06.2019 23:00
The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call
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Chemistry, 22.06.2019 20:00
What is the molar mass of the anhydrous compound? answer using four significant figures. 36.02 g/mol 120.15 g/mol 156.12 g/mol
Answers: 1
In this reaction, the chromium is reduced, from cr6+ to cr3+, causing a color change in the solution...
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