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Chemistry, 21.06.2019 13:30
What phase of matter has particles that are held together but can flow past each other and takes the shape of a container, filling it from the bottom up?
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Chemistry, 22.06.2019 18:50
Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g. what is the percent by mass of water in the hydrate? %
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Chemistry, 22.06.2019 19:00
Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions
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Chemistry, 23.06.2019 04:40
6) (a) calculate the absorbance of the solution if its concentration is 0.0278 m and its molar extinction coefficient is 35.9 l/(mol cm). the depth of the cell is 5 mm. (b) what is the %t? (7) calculate the absorbance of the solution if the transmitted light intensity is 70% of the initial light beam intensity
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Toothpaste is an alkali. How could you use the toothpaste to show that red cabbage is an indicator?...
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