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Chemistry, 21.06.2019 17:00
Write the complete balanced equation for the reaction between lead (iv) oxide (pbo2) and water (h2o).
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Chemistry, 22.06.2019 08:30
Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?
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Chemistry, 22.06.2019 22:00
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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Chemistry, 23.06.2019 04:00
What changes occur in the reaction indicated by the equation? check all that apply. the hydrogen nucleus loses protons. the oxygen nucleus gains protons. the bond in h2 is broken, and new bonds are formed between hydrogen and oxygen atoms. each electron associated with a hydrogen atom is shared with an oxygen atom.
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How many moles of CaCl2 does 2.41 x 10^24 formula units represent...
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