Ll of the following could be considered reconstruction except : a. scientists assume an area was once undersea due to the types of rock deposits b. scientists assume an animal was a meat eater because of the teeth in its fossil c. scientists assume an animal could climb trees because of its hand structure d. scientists predict a volcano will erupt in the near future because of current volcanic activity
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Answer asap need to be answered 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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Ll of the following could be considered reconstruction except : a. scientists assume an area was on...
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