Chemistry, 09.12.2021 17:00 kaliyaht01
the partial pressure if Ch4, N2, and O2 in a sample of gas were found to be 163 mmHg, 475 mmHg, and 551 mmHg. Calculate the mole fraction of oxygen
Answers: 3
Chemistry, 21.06.2019 22:30
Asample of neon occupies a volume of 375 ml at stp. what will be the volume of neon if the pressure is reduced to 90.0 kpa? a. 422 ml b. 422 l c. 333 ml d. 333 l
Answers: 2
Chemistry, 22.06.2019 22:30
Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt
Answers: 1
the partial pressure if Ch4, N2, and O2 in a sample of gas were found to be 163 mmHg, 475 mmHg, and...
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