Chemistry, 01.07.2019 16:00 IkweWolf4431
How eutrophication can change an aquatic ecosystem into a land ecosystem
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Chemistry, 21.06.2019 20:40
Which of the following pressures is equal to 760 mm hg? 2.0 atm 101.3 pa 101,300 kpa 101,300 pa
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Chemistry, 22.06.2019 08:00
Match the mixture with the substance// i really need on this guys (it’s a pic btw)
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Chemistry, 22.06.2019 18:00
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, 22.06.2019 22:30
Which of the following molecules is polar? c3h7oh c2h5cooh
Answers: 1
How eutrophication can change an aquatic ecosystem into a land ecosystem...
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