Chemistry Solutions Library

Chemistry Solutions Library

Access over 23,925 Chemistry video and text solutions to help you complete your homework.

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23,925 solutions

Partial Pressure

Q. A mixture of CO, CO2 and O2 is contained within a 275 mL flask at 0°C. if the total pressure is 780 torr, the CO has a partial pressure of 330 torr...

Solved • Feb 12, 2016

Partial Pressure

Q. A mixture of oxygen and helium is 92.3% by mass oxygen. It is collected at atmospheric pressure (687 torr). What is the partial pressure of oxygen ...

Solved • Feb 12, 2016

Manometer

Q. In diagram a, what is the pressure in the manometer if h = 2.00 cm and the barometric pressure in 780.0 mmHg?a. 780.0 mmHgb. 778 mmHgc. 1.00 atmd. ...

Solved • Feb 12, 2016

Redox Reactions

Q. What is the oxidizing agent in the following oxidation–reduction reaction? 2 H+ + 3 H2O + As2O3 + 2 NO3– → 2 H3AsO4  + 2 HNO2 A. H+ B. As2O3 C....

Solved • Feb 12, 2016

Partial Pressure

Q. A mixture of N 2, O2 and Ar have mole fractions of 0.25, 0.65, and 0.10, respectively. What is the pressure of N2 if the total pressure of the mixt...

Solved • Feb 12, 2016

Calculate Oxidation Number

Q. If the following compound were formed from an iron atom combining with a nitrate ion: Fe(NO3)53-, what would be the oxidation number of the iron at...

Solved • Feb 12, 2016

Calculate Oxidation Number

Q. The oxidation number of sulfur in the compound (NH 4)2SO4 is: a) -3 b) -1 c) +2 d) +4 e) +6

Solved • Feb 12, 2016