Chemistry, 28.07.2019 20:30 capricorn0115
1. which of the following qualifies as a bronsted-lowry base but not an arrhenius base? a. hno3 b. koh c. nh3 d. hcl 2. the bronsted-lowry definition of acids and bases states a. an acid and a base will react to produce salt and water b. acids produce oh- and bases produce h+ in a solution c. bases lose h+ and acids gain h+ d. acids lose h+ and bases gain h+ youuu
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Chemistry, 21.06.2019 18:30
Which orbitals form a pi bond? a.the s orbital and three p orbitals b.the s orbital and two p orbitals c.overlapping p orbitals d.overlapping hybrid orbitals
Answers: 2
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
1. which of the following qualifies as a bronsted-lowry base but not an arrhenius base? a. hno3 b....
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