Chemistry, 16.12.2019 17:31, kevinkingpin
Helium is mixed with oxygen gas for deep-sea divers. calculate the percent by volume of oxygen gas in the mixture if the diver has to submerge to a depth where the total pressure is 3.8 atm. the partial pressure of oxygen is maintained at 0.20 atm at this depth.
Answers: 3
Chemistry, 22.06.2019 15:30, alaf05160
Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what most likelyhappened? energy was created inside the blocks. energy was destroyed inside the blocks. energy was absorbed into the blocks from outside the system. energy was transferred from the warmer block to the cooler block.
Answers: 2
Chemistry, 22.06.2019 17:00, abbygailgo674
How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process
Answers: 1
Helium is mixed with oxygen gas for deep-sea divers. calculate the percent by volume of oxygen gas i...
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