Chemistry, 05.05.2021 19:50 nickames202otpo7q
The properties of compounds are (what?) to the elements that make it up. *
Answers: 2
Chemistry, 22.06.2019 14:00
How is the atomic number of a nucleus changed by alpha decay
Answers: 2
Chemistry, 22.06.2019 15:00
Which of the following is the correct formula for copper (i) sulfate trihydrate? cuso4 · 3h2o cuso4(h2o)3 cu2so4(h2o)3 cu2so4 · 3h2o
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 01:30
Ariver current has a velocity of 5km/h relative to the shore, and a boat moves in the same direction as the current at 5 km/h relative to the river. how can the velocity of the boat relative to the shore be calculated?
Answers: 1
The properties of compounds are (what?) to the elements that make it up. *...
Mathematics, 13.11.2020 22:50
Business, 13.11.2020 22:50
Mathematics, 13.11.2020 22:50
Biology, 13.11.2020 22:50
Mathematics, 13.11.2020 22:50
Chemistry, 13.11.2020 22:50