Physics, 04.12.2020 17:20 kris22elizondop9v1bb
Question 1 An atom of magnesium and two atoms of chlorine react and yield the compound of magnesium chloride. Which option represents this scenario as a chemical equation? 2Cl β β Mg + MgCl2 2Cl right arrow Mg + MgCl2 Mg + 2Cl β β MgCl2 Mg + 2Cl right arrow MgCl2 MgCl2 β β Mg + Mg + Cl MgCl2 right arrow Mg + Mg + Cl Mg β β 2Cl + MgCl2 Mg right arrow 2Cl + MgCl2 MgCl2 β β Mg + 2Cl
Answers: 3
Physics, 21.06.2019 22:30
The law of conservation of energy states that energy cannot be created or , energy can be from one substance to another. the first blank is ' destroyed ' and for the second blank is ' transferred '
Answers: 1
Physics, 22.06.2019 05:00
Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct
Answers: 1
Physics, 22.06.2019 05:20
A3.9 g aluminum foil ball with a charge of +4.1Γ10β9 c is suspended on a string in a uniform horizontal eβ field. the string deviates to the right and makes an angle of 30β with the vertical. part a part complete what information about the eβ field can you determine for this situation? what information about the field can you determine for this situation? only the magnitude of eβ only the direction of eβ both the magnitude and the direction of eβ none of the above previous answers correct part b determine the magnitude of the electric field. express your answer with the appropriate units. e e = nothing nothing request answer part c determine the direction of the electric field. determine the direction of the electric field. to the right to the left away from you toward you
Answers: 3
Question 1 An atom of magnesium and two atoms of chlorine react and yield the compound of magnesium...
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