Chemistry, 29.07.2019 17:10, 20guadalupee73248
In the industrial "chlor-alkali" process, pure chlorine and sodium hydroxide are produced by electrolyzing brine, essentially an aqueous solution of sodium chloride. suppose a current of 18.0 a is passed through an aqueous solution of nacl for 67.0 seconds. calculate the mass of pure chlorine produced. be sure your answer has a unit symbol and the correct number of significant digits.
Answers: 3
Chemistry, 22.06.2019 10:30, scott5315
Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + Β½o2(g) β mgo(s) + 146 kcal/mole h2(g) + Β½o2(g) β h2o(g), Ξ΄h = -57.82 kcal/mole what type of reaction is represented by the previous two examples?
Answers: 3
Chemistry, 22.06.2019 18:00, kingamir
Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]
Answers: 1
Chemistry, 23.06.2019 06:00, mustafajibawi1
If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes? or no? this question is worth 20 points! let it be correct!
Answers: 1
In the industrial "chlor-alkali" process, pure chlorine and sodium hydroxide are produced by electro...
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