Chemistry, 15.08.2021 01:00, mariahrpoulin9630
a hydrogen atom usually consists of 1 proton and 1 electron. a helium atom usually contains 2 protons, 2 neutrons, and 2 electrons. compare the mass of 2 hydrogen atoms to the mass of 1 helium atom.
Answers: 1
Chemistry, 22.06.2019 06:00, mapoohdoll
How much would the freezing point of water decrease if 4 mol of sugar were added to 1 kg of water(k=1.86 c/mol/kg for water and i=1 for sugar
Answers: 1
Chemistry, 22.06.2019 08:00, juliannxkim
Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.
Answers: 2
a hydrogen atom usually consists of 1 proton and 1 electron. a helium atom usually contains 2 proton...
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