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Chemistry, 22.06.2019 17:00, abbygailgo674
How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process
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Calculate the temperature rise when 0.2g of propane is used to heat 400cm cubed of water.
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Consider the heating curve of h2o and line segments a, b, and c. several changes are taking place at a, b, and c. all but one would be an appropriate description as e move through segments a, b and then c.
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Chemistry, 23.06.2019 12:50, jasonoliva13
How many energy levels contain electrons in an atom of zirconium (zr)?
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Calculate the number of neutrons in the chorine 17CI and 17CI...
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