PLEASE HELP!CHEMISTRY QUESTION
On Venus the atmospheric pressure is 2700 mmHg and nitro...
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Chemistry, 22.06.2019 16:00
He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98
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Chemistry, 22.06.2019 16:00
How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?
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Chemistry, 23.06.2019 02:00
An alpha particle is: a hydrogen atom a nucleus of helium two neutrons an electron
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Chemistry, 23.06.2019 05:30
What is the morality of 2.50 l of solution that contains 1.85 mol of anhydrous sodium tetraborate?
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