Chemistry, 29.01.2021 01:00 gungamer720
A canister contains 3.25 L of nitrogen gas at -150°C at a pressure of 506kPa. When the canister was allowed to warm up, the gas inside reached a pressure of 1214 kPa.
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Chemistry, 22.06.2019 10:30
Find the number of grams of hcl needed to react completely with .50 moles of magnesium.
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Chemistry, 23.06.2019 04:40
6) (a) calculate the absorbance of the solution if its concentration is 0.0278 m and its molar extinction coefficient is 35.9 l/(mol cm). the depth of the cell is 5 mm. (b) what is the %t? (7) calculate the absorbance of the solution if the transmitted light intensity is 70% of the initial light beam intensity
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Chemistry, 23.06.2019 15:30
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 canister contains 3.25 L of nitrogen gas at -150°C at a pressure of 506kPa. When the canister was...
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