Physics, 23.06.2019 00:00 elyssa34972
Examine the drawing of a molecule. each ring represents an atom of nitrogen (n). what’s the chemical formula of this substance?
Answers: 2
Physics, 22.06.2019 16:30
An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. but she does have devices to measure distance and time accurately. she knows her own mass is 77.4 kg , but she is unsure of the mass of a large gas canister in the airless rocket. when this canister is approaching her at 3.50 m/s , she pushes against it, which slows it down to 1.30 m/s (but does not reverse it) and gives her a speed of 2.60 m/s . what is the mass of the canister?
Answers: 1
Physics, 23.06.2019 01:00
What happens when the vapor pressure of a liquid is equal to the external pressure?
Answers: 1
Examine the drawing of a molecule. each ring represents an atom of nitrogen (n). what’s the chemical...
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