Calculate the concentrations of pb2 and cl at equilibrium
A solution is prepared by mixing 50.0 mL of 0.30 M Pb(NO3)2 with 50.0 mL of 1.4 M KCl. Calculate the concentrations of Pb2+ and Cl ‾ at equilibrium. Ksp for PbCl2(s) is 1.6 10-5.
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In an experiment, 201 mL of wet H2 is collected over water at 27 °C and a barometric pressure of 733 torr. The vapor pressure of water at 27 °C is 26.74 torr.
Draw a six-carbon-chain portion from syndiotactic polypropylene, in which the groups lie on alternating sides of the plane of the computer screen. represents the continuation of the polymer chain. Do not add any bonds to X.
What mass of sucrose should be combined with 535g of water to make a solution with an osmotic pressure of 8.60atm at 275K? (Assume the density of the solution to be equal to the density of the solvent.)
a metal weighing 50.0g absorbs 220.0 J of heat when its temperature increases by 120.0 degrees celsius. what is the specific heat of this metal?
When we say that something gives us "energy," what does that mean? What is a biological definition of energy? What is the physiological role of each of the molecules in your table?
At 100.0 degrees celsius and 1.00 atm, delta H= 40.6 for the vaporization of water. Estimate delta G for the vaporization of water at 90 degrees celsius and 110 degrees celsius. Assume delta H and delta S at 100 degrees celsius and 1.00 atm do not
If the ethane is burning at the rate of 0.1 mol/L*s, at what rates are CO2 and H2O being produced?
If the reaction occurs at atmospheric pressure (P = 1 atm), how much work (in Joules) is done by the system in pushing back the atmosphere when 1.00 mol NaHCO3 reacts at a temperature of 25°C?
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