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Complete and balance the following equations, and identify the oxidizing and reducing agents. Recall that the O atoms in hydrogen peroxide, H2O2, have an a typical oxidation state.
-NO2^1-(aq) + Cr2O7^2-(aq)-->Cr^3+(aq) + NO3^1- (aq) [acidic solution]
-S(s) + HNO3(aq) --> H2SO3(aq) + N2O(g) [acidic solution]
-H2O2(aq) + ClO2(aq) --> ClO2^1- (aq) + O2(g) [basic solution]
How many grams of water at 0oC could be frozen to ice at 0oC by the evaporation of 493 grams of isopropyl alcohol?
If 4.86 g of solid carbon dioxide was placed into an evacuated 2.00 L container, sealed, and then heated until it completely changed to a gas with a final temperature of 75 degrees celcius, what would be the pressure?
Red phosphorus is fairly stable, while white phosphorus will ignite spontaneously in air above 50 C. Determine the change in entropy for the conversion of the white form to the red form
5x10^3 moles of an ideal gas are held in a container of volume 0.0124 dm^3 and surrounded by a thermostat at 298K. The gas is allowed to double in volume against a constant external pressure of 1.0 atm
Looking at the nickel complexes as an example, it is found that those formed with ammonia give the complex [Ni(NH3)6]^2+ and when formed with ethylenediamine the complex [Ni(en)3)^2+ is the result.
Complete and balance the following redox reaction under acidic conditions: Fe2+(aq) + MnO4-(aq)---------------> Fe3+(aq) + Mn2+(aq)
At 25 degrees celsius and 750 mm Hg, 1.05 g of this gas occupies a volume of 0.500 L. What is the molecular formula of the gas?
The weight of the initial mixture is 5.020 g, and the weight of the resulting anydrous compounds is 2.988 g. Which choice is closest to the percent by mass of copper(II) sulfate pentahydrate in the original mixture? Steps?
If the heated copper is then placed into the water in the insulated container, given that the specific heat of copper is 0.385J/(gC), calculate the maximum temperature of the water after the copper metal is added.
Some of the cyclohexane solvent vaporized during the temperature versus time measurement. Will this loss of cyclohexane result in its freezing point being recorded as too high, too low, or unaffected.
In a healthy wild type animal the Km (KT) of the glucose transporter (GLUT2) present in liver cells is 15 mM. What would happen to glucose transport in the liver cells of animal that expressed only a mutant GLUT2 protein with a Km of 1mM
The amount of lead in a aqueous sample is determined by atomic absorption spectrometry. Two standard solutions are prepared and used to make a calibration curve, and then the absorbance of the sample is measured.
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