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At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure
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Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?
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What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?
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Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.
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