Chemistry, 20.07.2019 13:40 angelteddy033
Asample of oxygen gas was collected via water displacement. since the oxygen was collected via water displacement, the sample is saturated with water vapor. if the total pressure of the mixture at 26.4 Ć¢Ā°c is 749 torr, what is the partial pressure of oxygen? the vapor pressure of water at 26.4 Ć¢Ā°c is 25.81 mm hg.
Answers: 1
Chemistry, 21.06.2019 21:30
Which is the layer underground where all empty spaces are filled with a combination of air and water ?
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Chemistry, 22.06.2019 05:30
Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?
Answers: 2
Chemistry, 22.06.2019 07:30
The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a Š½Š¾ reagent a 2. Š½,Š¾" thŠ¾ oh Š½Š¾Š½-Ń compound a. compound b. compound c .ch-Š¾h 1. reagent b "ŃŠ½Š¾ 2. reagent c Ńh oh compound e. compound d.
Answers: 2
Chemistry, 22.06.2019 07:30
Using data from seismic waves, geologists have learned that earthās interior is made up of several
Answers: 1
Asample of oxygen gas was collected via water displacement. since the oxygen was collected via water...
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