Theresa creates an experiment where she mixes two red-colored substances together in a container and observes the solution slowly changing from red to blue for the next eight minutes. the solution becomes completely blue after eight minutes. what does this represent about the type of change happening in the container? a chemical change started immediately and finished at eight minutes. a non-chemical change started immediately and finished at eight minutes. a chemical change occurred at four minutes. a non-chemical change occurred at four minutes
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Physics, 22.06.2019 11:30
A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?
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Physics, 22.06.2019 23:00
Identify the type of heat transfer occurring when chocolate melts in your hand
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Physics, 23.06.2019 02:30
An airplane is flying with a velocity of 240 m/s at an angle of 30.0∘ with the horizontal, as the drawing shows. when the altitude of the plane is 2.4km,a flare is released from the plane. the flare hits the target on the ground. what is the angle θ?
Answers: 3
Theresa creates an experiment where she mixes two red-colored substances together in a container and...
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