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Question- A student mixes 35.0 mL of 2.54 M Pb(NO3)2(aq) with 20.0 mL of 0.00171 M Na2SO4(aq). How many moles of PbSO4(s) precipitate from the resulting solution? Ksp[PbSO4(s)] = 2.5*10^-8
What are the values of [Pb2], [SO42-], [NO3-], and [Na] after the solution has reached equilibrium at 25 °C?
I want you to explain the chemistry in this problem
Calculate how much energy in the form of heat is available from 100mL of this mixture and compare it with the amount available from pure gasoline
The voltage generated by the zinc concentration cell described by, Zn(s)|Zn2 (aq, 0.100 M)||Zn2 (aq, ? M)|Zn(s) is 28.0 mV at 25 °C. Calculate the concentration of the Zn2
calculate the theoretical yield percentage of a reaction between sodium and water if 25.0 g of sodium react with excess
A compound, C5H12O, has an 1H NMR spectrum showing peaks at delta 0.9 (6 H, triplet), 1.5 (4 H, quintet), and 1.9 (1 H, singlet), and 3.4 (1 H, multiplet).Draw this molecule.
Explain what is the physical origin of quantized energy states for a particle confined to move in a one-dimensional box
A new compund has been analyzed and a .47191g sample has been found to contain .1929g C, .01079 of H., .08566g of oxygen, and .1898g of Cl. Find the empirical formula
Calculate the volume of a gas if 10.0 ml of pure alcohol (C2H6O) is vaporized at its normal boiling point. (assume 1 atm pressure)
Explain why alcl3 has a molar heat capacity that is approximately 4 times the molar heat capacity of a metallic crystal.
How many electrons are transferred in the following oxidation reduction reaction. 3 Sn2+(aq) + Cr2O72-(aq) + 14 H+ = 3 Sn4+(aq) + 2 Cr3+(aq) + 7 H2O(l)
Beginning with the previous noble gas, state the condensed ground-state electron configuration of an atom of the following elements. Utilizing the format [Ar] 3d10 4s2 for [Ar]3d104s2.
When active metals such as sodium are exposed to air, they quickly form a coating of metal oxide. The balanced equation for the reaction of sodium metal with oxygen gas is
acetylene gas undergoes combustion to produce carbon dioxide and water vapor. if 75.0 l of co2 are produced how many
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