Chemistry, 26.06.2019 00:40 tamikagoss22
When an atom in a reactant gains electrons, what happens to its oxidation number? a. its oxidation number decreases, b. its oxidation number doubles, c. its oxidation number increases, d. its oxidation number increases by one, e. its oxidation number stays the same,
Answers: 1
Chemistry, 22.06.2019 08:00
An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.
Answers: 1
Chemistry, 22.06.2019 10:00
Why is the structure of molecule important to its function?
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
When an atom in a reactant gains electrons, what happens to its oxidation number? a. its oxidation...
English, 26.04.2020 03:03
English, 26.04.2020 03:03
Biology, 26.04.2020 03:04
History, 26.04.2020 03:04
Chemistry, 26.04.2020 03:04
Mathematics, 26.04.2020 03:04
Biology, 26.04.2020 03:04
Physics, 26.04.2020 03:04