Answers: 1
Chemistry, 21.06.2019 23:00
The wave shown on the electromagnetic spectrum disturb the medium it passes through a)different frequency. b)the same frequency .
Answers: 2
Chemistry, 22.06.2019 16:50
Answer asap need by wednesday morning explain how a buffer works, using an ethanoic acid/sodium ethanoate system including how the system resists changes in ph upon addition of a small amount of base and upon addition of a small amount of acid respectively. include the following calculations in your i. calculate the ph of a solution made by mixing 25cm3 0.1m ch3cooh and 40cm3 0.1m ch3coo-na+. [ka = 1.74 x 10-5 m] ii. calculate the ph following the addition of a 10cm3 portion of 0.08 m naoh to 500cm3 of this buffer solution. iii. calculate the ph following the addition of a 10cm3 portion of 0.08 m hcl to 200cm3 of the original buffer solution.
Answers: 1
Chemistry, 22.06.2019 19:40
What type of electromagnetic waves does the human eye see as the colors red blue or green a visible light waves b radio waves c infrared waves d microwaves
Answers: 1
Chemistry, 22.06.2019 21:30
What is the correct name for the compound cocl3? a) cobalt(i) chloride b) cobalt(i) chlorate c) cobalt(ii) chlorate d) cobalt(iii) chloride
Answers: 1
What is 13,040,000 in scientific notation?...
Mathematics, 30.09.2019 01:30
English, 30.09.2019 01:30
Mathematics, 30.09.2019 01:30
Mathematics, 30.09.2019 01:30
Biology, 30.09.2019 01:30
Chemistry, 30.09.2019 01:30
Mathematics, 30.09.2019 01:30
Biology, 30.09.2019 01:30
Business, 30.09.2019 01:30
Chemistry, 30.09.2019 01:30
Social Studies, 30.09.2019 01:30