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Chemistry, 23.06.2019 02:00, xbeatdroperzx
Which statement is true about the model of the electromagnetic spectrum a: it change the frequencies of light. b: it compare wavelengths of light. c: the color of light waves can be changed using the model. d: the intensities of light waves can be decreased using the model.
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Chemistry, 23.06.2019 07:40, wrestling2
What is the reduction potential of a hydrogen electrode that is still at standard pressure, but has ph = 5.65 , relative to the she?
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Chemistry, 24.06.2019 03:30, shontelsims
Suppose that a large mixing tank initially holds 300 gallons of water in which 50 pounds of salt have been dissolved. pure water is pumped into the tank at a rate of 3 gal/min, and when the solution is well stirred, it is then pumped out at the same rate. determine a differential equation for the amount of salt a(t) in the tank at time t 0. what is a(0)?
Answers: 2
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