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Answers by Geert

Answers by Geert
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A stock solution is made by dissolving 66.05 g of (NH4)2SO4 in enough water to make 250 mL of solution. A 10.0 mL sample of this solution is then diluted to 50.0 mL. Given that the molar mass of (NH4)2SO4
answered Sep 29, 2017
4 votes
136k views
why is vinegar used in food preservation? a)the high ph and high acidity of vinegar destroy bacteria. b)the low ph and low acidity of vinegar destroy bacteria. c)the low ph and high acidity of vinegar
answered Jan 13, 2017
3 votes
207k views
Name two congressional limits on the president according to the constitution
answered Nov 19, 2016
3 votes
225k views
Which Cambridge mathematics professor developed the theory of universal gravitation that revolutionized astronomy?
answered Mar 1, 2016
1 vote
9.3k views
Your amplifier is playing a 200 Hz tone. When you double the amplitude(loudness), what happens to the speed of the sound (v) and the frequency (f)? a. v doubles, f stays the same b. v doubles, f also doubles
answered Nov 28, 2015
5 votes
118k views
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