Chemistry, 17.07.2019 22:30 krystalhurst97
If the atomic radius of a calcium crystal is 180 pm, what is the length of the edge of the unit cell? (the calcium crystal forms
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Chemistry, 21.06.2019 19:30, aedmund1225
Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg
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Chemistry, 22.06.2019 05:30, medlinalex
Compare and contrast physical changes with chemical changes.
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Chemistry, 22.06.2019 08:00, wizz4865
Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next
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If the atomic radius of a calcium crystal is 180 pm, what is the length of the edge of the unit cell...
Chemistry, 09.07.2020 02:01