Chemistry, 23.06.2019 10:30 lvoltin1073
When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle if the pressure in the collecting bottle is 97.1 kilopascals and the vapor pressure of the water is 3 2 kilopascals, what is the partial pressure of the hydrogen?
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Chemistry, 21.06.2019 22:30
Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.
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Chemistry, 22.06.2019 05:20
Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.
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Chemistry, 22.06.2019 21:00
One similarity and one difference between an element and a mixture of elements
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When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water va...
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