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How many grams of sodium chlooride can be produced from 2.35 grams of sodium carbonate and exces hydrochloric acid?
The vapor pressure of the pure liquids at 25°C are 451 torr for pentane and 321 torr for cyclopentane. Assume that the solution is an ideal solution.
What is the entropy of the combustion above?
a gas is enclosed in a cylinder fitted with a piston. the volume of the gas is 2.00 l at 1.00 atm pressure. the piston
A student mixes 50 ml of 1.00M H2SO4 react with 100. ml (1 x 10^2 ml) of 1.00M NaOH in a calorimeter. The temperature of both solutions initially at 22.85 deg Celsius changes to 28.86 deg Celsius.
L ?^2=-?^2 ?^2 ?^2=(1/(?sin?^2 ?) ?/(??^2 )+1/sin? ?/?? sin? ?/??) b) For the l = 2, ml = -1 state determine the average angular momentum and the average angular momentum in the z-axis
Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5. Enter your answer with 2 decimal places.
Calculate so for cooling 1.00 mol of Ne from 298K to 253K under constant volume conditions using the Sakur-Tetrode equation
If the pH of such a phosphate-containing solution were gradually lowered by addition of HCl or some other strong acid, what three protonated phosphate species would be generated? (Specify the chemical formula and name of each.)
What I don't understand is how they got it. I know that tetraphosphorus hexoxide is P4O6 and water is H2O. What I don't understand it how it becomes 4H3PO3.
N-Methyl-2-pyrrolidone is an aprotic solvent used in many industrial processes. Draw the structure of the product formed when it is heated with strong aqueous acid 6MHCI, H20 and heat.
In the transition metals (the d-block), the electron configuration of cations is different than what you might expect. Instead of the d electrons being lost first, s electrons are lost first.
Determine the freezing point of a solution which contains 0.31 mol of sucrose in 175 g of water. Kf = 1.86°C/m
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