Answers: 1
Chemistry, 22.06.2019 12:00
Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.
Answers: 1
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, 23.06.2019 11:30
Distilled water is a completely neutral solution. what is its ph? a. 1 b. 7 c. 14 d. 0
Answers: 2
Chemistry, 23.06.2019 14:30
The first supersonic flight was in 1947. it was just above the speed of sound. which altitude would you expect captain yeager to have used for his flight
Answers: 3
Name the elements of 2:8:3...
Physics, 13.10.2019 23:30
Computers and Technology, 13.10.2019 23:30
Mathematics, 13.10.2019 23:30
Spanish, 13.10.2019 23:30
Biology, 13.10.2019 23:30