Chemistry, 17.07.2019 22:00, tinasidell1972
When she dropped a rock into a graduated cylinder of water, veronica noticed it sank to the bottom. she decided to investigate what it would do if she tossed it into a much larger amount of water. when she tossed it into a lake, the rock sank again. a) the density of a substance is the same regardless of the amount. b) the lake had become less dense because of heavy rains in the past month. c) the rock was already wet from being submerged in the graduated cylinder of water. d) an object's density changes based on the amount of substance in which it is submerged.
Answers: 2
Chemistry, 22.06.2019 09:20, payshencec21
What happened to the amount of carbon dioxide in the atmosphere from 2010β2017?
Answers: 1
Chemistry, 22.06.2019 15:10, kolbehoneyman
The ozone molecule o3 has a permanent dipole moment of 1.8Γ10β30 cm. although the molecule is very slightly bent-which is why it has a dipole moment-it can be modeled as a uniform rod of length 2.5Γ10β10 m with the dipole moment perpendicular to the axis of the rod. suppose an ozone molecule is in a 8000 n/c uniform electric field. in equilibrium, the dipole moment is aligned with the electric field. but if the molecule is rotated by a small angle and released, it will oscillate back and forth in simple harmonic motion. what is the frequency f of oscillation?
Answers: 2
When she dropped a rock into a graduated cylinder of water, veronica noticed it sank to the bottom....
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