Chemistry, 29.08.2019 22:00 abbypark0804
Asample of helium gas has a volume of 900. milliliters and a pressure of 2.50 atm at 298 k. what is the new pressure when the temperature is changed to 336 k and the volume is decreased to 450. milliliters?
(1) 0.177 atm (3) 5.64 atm
(2) 4.43 atm (4) 14.1 atm
Answers: 2
Chemistry, 22.06.2019 02:00, hemolelekeakua
The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?
Answers: 3
Chemistry, 22.06.2019 07:20, letsbestupidcx2314
Which of these conditions most likely produces an unstable isotope?
Answers: 1
Chemistry, 22.06.2019 12:00, luffybunny
There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out
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Asample of helium gas has a volume of 900. milliliters and a pressure of 2.50 atm at 298 k. what is...
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