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a) For your cereal sample, you added the same volume of sodium acetate that you added to your standards and solution unknown. b) You forgot to add hydroxylamine hydrochloride when you prepared the standards, but you added it when you did the cereal analysis. For part b, include a sketch of a Beer's Law plot to explain how the error would affect the calibration line and the with the determined for the cereal. (Onthe sketch, use a solid line to represent the correct calibration line and a dotted line for the line with the systematic error.) Also discuss the advantages and disadvantages of spectral methods of analysis.
Patiens suffering from repiratory disorders are often treared in oxygen tents in which the atmosphere is enriched in oxygen. What is the partial pressure of O2 in an oxygen tent consisting of 45% O2 for an atmospheric pressure of 753 mmHg?
If a 2.1 L reaction vessel initially contains 723 torr of cyclopropane at 485 degrees C , how long will it take for the partial pressure of cylclopropane to drop to below 105 torr ?
Calculate w (in kJ) when 422 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 445 K:
Calculate the equilibrium concentrations of CO2, H2, and H2O at 800 K if only CO and H2O are present intially at concentrations of .119M?
Heat is lost to the styrofoam calorimeter. Assuming a 6.22 C temperature change for the reaction of HCl(aq) with NaOH(aq), calculate the heat loss to the inner 2.35-g styrofoam cup. The specific heat of styrofoam is 1.34 J/gC.
When 228.4 mg of pure X was burned 627.4 mg of CO2 and 171.2 mg of H2O were obtained. Determine the simplest formula of the compound X.
If a bottle of nail polish remover contains 150g of acetone, how much heat would be released by its complete combustion?
If a gas held at constant pressure had an initial volume of 5.00 L and the temperature changed from 35°C to 578 K what would be the final volume of this gas?
The half-life of tritium (31H) is 12.3 years. If 47.0 mg of tritium is released from a nuclear power plant during the course of a mishap, what mass of the nuclide will remain after 24.6 years?What mass of the nuclide will remain after 98.4 years?
what conclusions can be reached about the relative strengths of Ni2+(aq) and/vs Cu2+(aq) as oxidizers? Also write the correct reaction.
Determine the molar mass of aspartame and How many moles of molecules are in 10.0g of aspartame?
The solubility of a gas in water is 0.22 g/L at 20.0 kPa of pressure. what is the solubility when the pressure is increased to 115 kPa?
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