Chemistry, 18.01.2021 21:40 w210138937
The Question A 1.80 x 10-2 kg block of metal has the following dimensions: 0.4981 inches by 0.531 inches, by 0.5839 inches. Determine the density of the block in g/mL. Using the provided list of metals and their respective densities, what is the metal's identity
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An experimental procedure requires a 10 ml of acid to be dissolved
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At 20Ā°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?
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Phosphoric acid is a triprotic acid ( =6.9Ć10ā3 , =6.2Ć10ā8 , and =4.8Ć10ā13 ). to find the ph of a buffer composed of h2poā4(aq) and hpo2ā4(aq) , which p value should be used in the hendersonāhasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.
Answers: 3
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