Answers: 1
Physics, 21.06.2019 21:00
An electric current in a wire will push or pull on a permanent magnet. which statement best explains how an electric current creates an electromagnetic force on another magnet?
Answers: 2
Physics, 22.06.2019 06:30
At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid
Answers: 1
Physics, 22.06.2019 23:00
Awelder using a tank of volume 7.50Γ10^-2 m^3 fills it with oxygen (with a molar mass of 32.0 g/mol ) at a gauge pressure of 3.30Γ10^5 pa and temperature of 37.1 βc. the tank has a small leak, and in time some of the oxygen leaks out. on a day when the temperature is 23.1 βc, the gauge pressure of the oxygen in the tank is 2.00Γ10^5 pa . a) find the initial mass of oxygen. b) find the mass of oxygen that has leaked out.
Answers: 3
Physics, 23.06.2019 07:50
In a particular chemical reaction, the energy of the reactants is 30 kj and the energy of the products is 5 kj. β¨ the maximum energy of the system is 40 kj. sketch a potential energy diagram for this reaction. make sure to label the energy of the reactants, the energy of the products, the activation energy, and the enthalpy change for the reaction.
Answers: 2
Viewed through a spectroscope, the spectral profile of a yellow street lamp has a narrow line in the...
Social Studies, 30.12.2019 14:31
Social Studies, 30.12.2019 14:31
English, 30.12.2019 14:31
Mathematics, 30.12.2019 14:31
Mathematics, 30.12.2019 14:31
English, 30.12.2019 14:31
Mathematics, 30.12.2019 14:31
English, 30.12.2019 14:31
Mathematics, 30.12.2019 14:31
Social Studies, 30.12.2019 14:31