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Problem- 200 mL of clear saturated PbI2 is added to1800mL of a buffered solution (pH=5) saturated with H2S (0.1M). Will a precipitate from?
PbS Ksp = 3E-28
H2S Ka=10^-7
HS- Ka=10^-19
Please show all work. Thank you in advance
the heat of vaporization of water is 40.66 kjmol. assuming sweat is 100 water how much heat is removed from your body
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Which expression represents the percent by mass of nitrogen in NH4NO3. A) 14 g N/80 g NH NO 100% B) 28 g N/80 g NH NO 100% C) 80 g NH NO /14 g N 100% D) 80 g NH NO /28 g N 100%
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the open end of a melting point capillary tube allow you to measure the melting point of a compound that sublimes?
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Question- Calculate the value of Keq at 298 K for each of the following reactions
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