Chemistry, 17.05.2021 20:00, gaelle90701
What causes pressure inside a helium balloon?
A. The helium atoms stick to the surface of the balloon and increase
its weight
B. The helium atoms expand and press on the surface of the balloon.
C. The helium atoms exert an electrostatic force that pushes the
surface outward.
D. The helium atoms bounce off the surface as they move inside the
balloon.
Answers: 1
Chemistry, 22.06.2019 14:00, claudia122752
Will mark brainliest how many electrons can be held in the energy level n = 4?
Answers: 1
Chemistry, 23.06.2019 01:00, tjeffers90028
Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) → feso4(aq) + cu(s)
Answers: 3
What causes pressure inside a helium balloon?
A. The helium atoms stick to the surface of the ballo...
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