Chemistry, 18.03.2021 01:00 alliemeade1
A sample of a gas has a pressure of 248mm Hg at 298K. What is the pressure of the gas at 398K?
Select the correct answer below:
0.00539mm Hg
478mm Hg
331mm Hg
186mm Hg
Answers: 2
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Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents
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The arrangement of particles is most ordered in a sample of
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Phosphoric acid is a triprotic acid ( =6.9×10−3 , =6.2×10−8 , and =4.8×10−13 ). to find the ph of a buffer composed of h2po−4(aq) and hpo2−4(aq) , which p value should be used in the henderson–hasselbalch 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
A sample of a gas has a pressure of 248mm Hg at 298K. What is the pressure of the gas at 398K?
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