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how many grams of lead chromate form when a 1.00g sample of Pb(NO3)2 is added to 25.0 mL of 1.00 M K2CrO4 solution.
Which is predicted to be the most ionic substance? a) NiS b) CuI c) CoO d) NaBr
Find ratio of the atomic mass of Silicon to Hydrogen if every 100g of SiH4 contains 87.45g of Si and 12.55g of H.
what is the final temperature once thermal equilibrium is reached. c) how much ice remains once thermal equilibrium is reached.
Consider the solubility information BaSO4 = 3.4 ×10 -4 g 100 g H2O at 20 ?C.Calculate the solubility-product constant Ksp
What is the final temperature in a squeezed cold pack that contains 40.0 g of NH4NO3 dissolved in 135 mL of water? Assume a specific heat of 4.18 J/(g·°C) for the solution, an initial temperature of 25.0°C
When an aqueous solution of an organic compound is shaken with an immiscible organic solvent, such as diethyl ether, the solute distributes itself between the two phases. When the two phases separate into two distinct layers, an equilibrium will h..
A large gas flask is found to weigh 143.567 g. it is then filled with gas to a pressure of 735 torr at 31 C and found to weigh 1067.9 g (the density of water is 31 C is 0.997 g/mL). Assuming that the ideal gas equation applies, calculate the molar..
Graphite Furnace vs ICP, with investigating and writing a proposal for Heavy metal testing using Graphite Furnace.
explain why pure water does not conduct electricity and what happens when a strong electrolyte is dissolved in it
the presence of the radioactive gas radon rn in well water obtained from aquifers that lie in rock deposits presents a
Sketch the line-bond structure for each molecule or polyatomic ion of the following. Designate the formal charges where applicable.
a 4 g sample of the hydrated crystal baoh2bull chih2o is heated until all the water is removed. the remaining solid
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