Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
calculate the molarity of a solution made by dissolving 0140 mol na2so4 in enough water to form exactly 800ml of
write a balanced chemical equation showing the formation of the salt na3po4 from the reaction of the appropriate strong
1 what are the sources of crude oil and some of its components2 why is cracking an important technological process3
a copper storage tank containing dilute h2so4 at ph 01 is blanketed with hydrogen at 1 atm calculate the maximum cu2
zn is immersed in a solution of cucl2 what is the reaction and at what activity ratio of zn2 cu 2 will the reaction
the emf of a cell made of a zn anode and hydrogen cathode immersed in 05m zncl2 is 0590v what is the ph of the
what is the ph of a solution formed by dissolving 0100 mol of an acid with a ka of 1750x10 to the -5th and 0200 mol of
a 20 l-reaction flask initially contains 017 mol co 015 mol h2 and 010 mol ch3oh methanol if this mixture is brought in
a vessel originally contained 0240 mol iodine monobromide ibr 00016 mol i2 and 00014 mol br2i2g br2g 2 ibrgthe
an understanding of le chateliers principle is fundemental to the study of chemistry and helps us to understand
use le chateliers principle to explain why the buffer prevents large changes from occuring in ph wheni an acid enters
at body temperature 37 c ka for aspirin equals 3 x10 - 5if two aspirin tablets each having a mass of 325 mg are
the solubility product for znoh2 is 30x10- 16 the formation constant for the hydroxo complex znoh4 2- is 46x 1017 awhat
how many microliters of 1000 m naoh solution must be added to 2500 ml of a 01000 m solution of lactic acid hc3h5o3 to
find the ph during the titration of 2000 ml of 01350 m benzoic acid c6h5cooh ka 63 multiplied by 10-5 with 01350 m
what is the buffer-component ratio pr - hpr of a propanoate buffer that has a ph of 557 ka of hpr 13 multiplied by
a biochemist needs 750 ml of an acetic acid-sodium acetate buffer with ph 450 solid sodium acetate nac2h3o2 and
calculate the ph at the equivalence point in titrating 0110 m solutions of each of the following with 70times10-2 m
assume that 290 ml of a 010 m solution of a weak base b that accepts one proton is titrated with a 010 m solution of
in words give step-by-step directions for drawing the mechanism for the reaction of 13-butadiene with hbrgive explicit
initially a mixture contains 0601 mol each of n2 and o2 in an 765-l vessel find the composition of the mixture when
a 260-l vessel contained 00160 mol of phosphorus trichloride 00115 mol of phosphorus pentachloride and 00903 mol of
sodium stearate c17h35coona is a major component of bar soap the ka of the stearic acid is 13 multiplied by 10-5 what
in the contact process sulfuric acid is manufactured by first oxidizing so2 to so3 which is then reacted with water the
a 075-l bottle is cleaned dried and closed in a room where the air is 22 degrees c and 44 relative humidity that is the