Chemistry, 27.05.2021 16:40 hncriciacheichi
Which of the following is an example of erosion
A• to wear down and carry away rocks and soil through the force of gravity
B• to wear down and carry away rock and soil through the action of wind
C• to wear down and carry away rock and soil through the action of water
D• all of the answers are correct .
Answers: 3
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Chemical energy is a form of a. kinetic energy only. b. both potential and kinetic energy. c. neither potential nor kinetic energy. d. potential energy only. reset
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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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Which of the following is an example of erosion
A• to wear down and carry away rocks and soil throu...
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