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A quantity of N2 occupies 62.2 L at a partic- ular temperature and pressure. Its density is 0.900 g/L. How many moles of N2 are in the container?
Sodium carbonate Na_2CO_3) is used to neutralize the sulfuric acid spill. How many kilograms of sodium carbonate must be added to neutralize 4.03×103 kg of sulfuric acid solution?
10.0 grams of sodium bicarbonate reacts with 50.0 mL of 2 M acetic acid, what is the limiting reactant? what reactant is in excess, and by how much? what volumeof carbon dioxide gas would form?
When titrating 0.15 M HCl with a calcium hydroxide solution of unknown concentration, 35 mL of acid are required to neutralize 25 mL of the base.
the growth rate drops 6 orders of magnitude and effectively reduces the crystallization rate to zero. Calculate the self-diffusion of this alloy system.
Consider a chromatogram containing a single analyte with retention time of 4 minutes. The mobile phase elution time is 0.2 minutes. What is the capacity factor (k') for the analyte in question?
calculating the pH of the final solution at equivalance point. Please show a step-by-step process
Using a flow diagram, show the separation of a mixture containing p-bromoacetanilide, N-cyclopentyl-N-methyl-N-propylamine (N mean the group is attached to the nitrogen of the amine and m-nitrophenol. Specify the organic solvent and aqueous soluti..
During a strenuous workout, an athlete generates 2200.0 kJ of heat energy. What mass of water would have to evaporate from the athlete's
You have a gas occupying 75L at 800 torr and 315K. What is the volume if the pressure is decreased to 600 torr and the temp is changed to 127 C?
Explain the Reaction, If you treat an aldehyde wiith HCN you produce a cyanohydrin. For example
Using a solution of KMnO 4 has a percent transmittance of 27.3 percent when observed in a 1.15-cm cell at a wavelength of 525 nm. Compute the absorbance of this solution.
A graduated cylinder contains 148 mL of water. A 11.0 g piece of iron (density = 7.86 {g/cm^3}) and a 19.0 g piece of lead are added. What is the new water level in the cylinder? Density of the lead is 11.3g/ml
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