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At a certain temperature the equilibrium constant for the subsequent chemical equation is 3.30. At this temperature, compute the number of moles of NO2(g) that must be added to 2.86 mol of SO2(g) in order to form 1.30 mol of SO3(g) at equilibrium.
What is the molarity of benzyl alcohol if the molecular weight is 108.14, the volume is 5 mL
At equilibrium the concentrations are [H2]=5.0 M, [N2]= 8.0M, [NH3]=3.0M. What were the concentrations of nitrogen gas and hydrogen gas that were reacted initially.
A 0.0100 L sample of H2SO4 (Sulfuric Acid) was titrated with 0.150 M NaOH. It took 23.3 mL of NaOH from the buret -- that's 0.0233 L -- to reach the titration endpoint.
a sample of oxygen is collected in a 206 ml container over water at 15c and the barometer reads 793 torr. what volume
Bacteriorhodopsin is a protein found in Halobacterium halobium that converts light energy into a transmembrane proton gradient that is used for ATP synthesis
Microwave ovens use microwave radiation to heat food. The microwaves are absorbed by moisture in the food, which is transferred to other components of the food. As the water becomes hotter
A piece of silver with mass 284 g has a heat capacity of 67.2 J/oC. What is the specific heat of silver
calculate the energy in joules and calories. required to heat 5.25g of water, from 55 C to 64.8 C
What would be the effect of increasing the temperature of a gas chromatography column during the analysis of a gasous mixture if isothermal chromatography is done
Describe how you would prepare 1liter of 0.2M solution of monobasic sodium phosphate and 1 liter of 0.2M dibasic sodium phospate ( FW for monobasic 137.99 and FW for anhydrous dibasic 141.96
Explain under constant-volume conditions the heat of combustion of benzoic acid, HC7H5O3, is 26.38 KJ/g. a 1.200 g sample of benzoic acid is burned in a bomb calorimeter.
When you convert units, how do you decide which part of the conversion factor is in the numerator and which is in the denominator
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