Chemistry, 29.07.2019 16:30 lollipop8011
Only 5 questions! all you have to do is check my . a flask contains four gases: ch4, o2, c2h5, and n2. when the stopper is removed, which gas will diffuse the fastest? ch4 < o2 c2h5 n2 2. which gas effuses 2.39 times slower than nitrogen gas? o2 cl2 br2 < i2 3. what is the molecular mass of a gas that effuses three times faster than radon? 16 g/mol 25 g/mol < 50 g/mol 67 g/mol,
Answers: 1
Chemistry, 21.06.2019 15:00
If a planet rotates 360 degrees during a 24 hour time period, what does that tell us about the planet? a. the middle of the planet is in darkness b. the seasons on the planet vary every day. c. the planet runs on a 12-hour time clock. d. the temperature on the planet varies daily.
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Chemistry, 22.06.2019 06:00
According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead
Answers: 2
Chemistry, 22.06.2019 09:50
Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange
Answers: 1
Only 5 questions! all you have to do is check my . a flask contains four gases: ch4, o2, c2h5, and...
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