Chemistry, 03.07.2019 00:00 hannahbannana98
What factors that affect ionization energy? a. group number, atomic mass, electron configuration, density c. weight, state at room temperature, density and ionic radius b. only the charge matters d. charge, atomic radius, orbital penetration, and electron pairing
Answers: 2
Chemistry, 22.06.2019 05:30
Compare and contrast physical changes with chemical changes.
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 00:00
How many atoms or molecules are there in a mole of a substance?
Answers: 1
Chemistry, 23.06.2019 03:30
Why do electrons further from the nucleus have more energy
Answers: 1
What factors that affect ionization energy? a. group number, atomic mass, electron configuration, d...
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