Answers: 1
Chemistry, 22.06.2019 03:50
Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.
Answers: 1
Chemistry, 22.06.2019 05:30
Compare and contrast physical changes with chemical changes.
Answers: 1
Chemistry, 22.06.2019 13:00
How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide
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
If there is action and
reaction forces present on an object, then
the object must move....
reaction forces present on an object, then
the object must move....
Mathematics, 19.07.2019 09:50
Mathematics, 19.07.2019 09:50
Biology, 19.07.2019 09:50
History, 19.07.2019 09:50
Biology, 19.07.2019 09:50
Chemistry, 19.07.2019 09:50
History, 19.07.2019 09:50
Biology, 19.07.2019 09:50
Biology, 19.07.2019 09:50
Mathematics, 19.07.2019 09:50
History, 19.07.2019 09:50
History, 19.07.2019 09:50