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Chemistry, 21.06.2019 14:50, stodd9503
Your roll: experienced electron speech is adressed to: a new "freshman class" of electrons job: write a speech task: you are to pretend that you are giving a speech to a new group of electrons. be sure to mention their placement in an atom, their charge, and their role in chemical bonding (ionic and covalent) be specific!
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Table sugar completely dissolved in water is an example of a?
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Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.
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Chemistry, 22.06.2019 22:00, jlegrand9098
4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.
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2. You have 200g or a solution that contains 30g of hydrochloric acid (HCI),
what percentage of you...
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