Susan makes the following entry in her notebook: βOn Friday we were given a blue liquid in a shallow container. We placed it on the windowsill over the weekend. On Monday morning, there was no liquid left, but the dish had some solid blue stuff in it.β
a. Was the blue liquid in the dish a heterogenous mixture, a solution, or a pure substance? Explain your choice.
b. Write a few sentences about what you think happened in the dish.
Answers: 2
Physics, 21.06.2019 22:30
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Physics, 22.06.2019 00:30
Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate
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Physics, 22.06.2019 15:30
At 20βc, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12Γ10β6 kβ1 and23Γ10β6 kβ1 respectively.
Answers: 1
Physics, 22.06.2019 19:30
Acamcorder has a power rating of 20 watts. if the output voltage from its battery is 9 volts, what current does it use?
Answers: 2
Susan makes the following entry in her notebook: βOn Friday we were given a blue liquid in a shallow...
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