Chemistry, 07.05.2021 18:20 coronadenise
A sample of nitrogen gas occupies a volume of 2.00 L at 756 mmHg and 0ᵒC. The volume increases to 4.00 L and the temperature decreases to 137K. What is the final pressure of the gas?
Answers: 2
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Write the balanced chemical reaction for the formation of fe2(so4)3 from fe2o3 and so3 and determine how many moles of fe2(so4)3 are formed when 12.7 mol of so3 are reacted.
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The amount of iron in ore can be quantitatively determined by titrating a solution of the unknown with a standard solution of dichromate, cr2o72−. the net ionic equation is 6fe2+(aq)+cr2o72−(aq)+14h+(aq)→6fe3+(aq)+2cr3+(aq)+7h2o(aq) part a the titration of 25.0 ml of an iron(ii) solution required 18.0 ml of a 0.230 m solution of dichromate to reach the equivalence point. what is the molarity of the iron(ii) solution?
Answers: 1
A sample of nitrogen gas occupies a volume of 2.00 L at 756 mmHg and 0ᵒC. The volume increases to 4....
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