Chemistry, 06.09.2019 20:30 jcross11nate
Elias serves a volleyball at a velocity of 16 m/s. the mass of the volleyball is 0.27 kg. what is the height of the volleyball above the gym floor when its total mechanical energy is 41.70 j? round to the nearest tenth. m
Answers: 3
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Which position represents spring in the southern hemisphere? a) b) c) d)
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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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Chemistry, 22.06.2019 21:00
In the experiment you asked to react hydrochloric acid and with sodium hydroxide. when measuring the volume of the reactants, which instrument would give the greatest precision.
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Elias serves a volleyball at a velocity of 16 m/s. the mass of the volleyball is 0.27 kg. what is th...
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