Physics, 04.02.2020 20:56 joshuanieto44
Agood reaction that gives off a bright light occurs when magnesium is burned in a bunsen burner. as a result, it binds with oxygen in the air. what is the balanced chemical equation for this reaction?
a)
mg + o → mgo
b)
mg + o2 → mgo2
c)
2mg + o → mg2o
d)
2mg + o2 → 2mgo
Answers: 3
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You are driving to the grocery store at 20 m/s. you are 110m from an intersection when the traffic light turns red. assume that your reaction time is 0.50s and that your car brakes with constant acceleration. how far are you from the intersection when you begin to apply the brakes? what acceleration will bring you to rest right at the intersection? how long does it take you to stop after the light changes? the known values: vi=20m/s xi=110m t=.50s vf=0m/s xf=0m a=?
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Agood reaction that gives off a bright light occurs when magnesium is burned in a bunsen burner. as...
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