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Chemistry, 22.06.2019 03:00
Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes
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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.
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Chemistry, 22.06.2019 23:00
What is the number of neutrons in an atom with atomic mass of 35
Answers: 2
How many moles of nitrogen gas are there in 6.8 liters at room temperature and pressure (293 k and 1...
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