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Analysis of an unknown substance showed that it has high boiling point and is brittle. It is an insulator as a solid but conducts electricity when melted, which of the following substances would have those characterisitics? *please explain how to get to answer to understand*
A) HCl
B)Al
C)KBr
D)SiF4
E)I2
The precipitation of aluminum hydroxide, Al(OH)_3 (K_sp)=1.3 x 10^{-33}), is sometimes used to purify water. At what pH will precipitation of Al(OH)_3 begin if 5.70 lb of aluminum sulfate, Al_2(SO_4)_3, is added to 2050 gallons of water (with a ne..
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Suppose that 1.331 g of impure barium hydroxide is dissolved in enough water to produce 250. mL of solution and that 35.0 mL of this solution is titrated to the stoichiometric point with 17.6 mL of 0.0935 M HCl(aq). What percentage of the impure s..
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What is the heat of combustion per gram of butane?
Model symmetry, Construct a model* in which a tetrahedral (sp 3) carbon atom (black) has four different model atoms attached to it. Use the light blue ball, red, blue
Calculate the pH at each point indicated in the titration of 100.00 mL of 0.0755 M NaClO2 with 0.0412 M HCl.
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