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Draw the molecule as a dash-wedge structure from the IUPAC name with the correct stereochemistry: (2R,3S)-2,3 dichloropentane
A flask contains both A and B. Both decompose following first-order kinetics with half-lives of 50 and 18 minutes, for A and B respectively. If the concentrations of A and B are initially the same, how long will it take for the concentration of A ..
125 mole of oxygen gas is added to carbon in a .25L container. The mixture equilibriates at 500K. Calculate the equilibrium concentration of carbon monoxide, knowing that K=.086 at 500K.
Complete and balance the following equations, and identify the oxidizing and reducing agents. (Recall that O atoms in hydrogen peroxide, H2O2, have an atypical oxidation state.)
A room contains 12,000 ft.³ of air at 75°F and 29.7 inches Hg Absolute. The air has a dew point of 60°F. How many pounds of water vapor are in the air
Calculate E°cell and indicate whether the overall reaction shown is spontaneous or nonspontaneous.
Which acid is present in lemon ? marlic acid 2 citric acid 3 lactic acid 4tartaric acid
Metallic aluminum reacts with MnO2 at elevated temperatures to form manganese metal and aluminum oxide. A mixture of the two reactants is 67.2% mole percent Aluminum. Find the theoretical yield(in grams) of manganese from the reaction of 270 grams..
calculate the force and the pressure exerted on the wal given that the area of the wall is 100 cm squared and the speed of the atoms is 600m/s
At rush hour, the noise from a highway is 1.0 *10^-4 W/m^2 with 100 cars passing a given point a minute. At night the average noise is reduced to 1.0*10^-6 W/m^2. How many cars are now driving on the highway.
If it were assumed that the van der Waals equation held instead of the ideal gas law, how many moles does the tank hold, and what volume would the gas occupy at 1.0 atm (15 psi) and 300. K?
Twenty-five milliliters of liquid nitrogen (density = 0.807g/mL ) is poured into a cylindrical container with a radius of 11.9cm and a length of 17.2cm . The container initially contains only air at a pressure of 760.0mmHG (atmospheric pressure) a..
Excitation of electrons Vs Donation electrons in Photosynthesis
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