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The U.S. Navy has a system for communicating with submerged submarines. The system uses radio waves with a frequency of 76 s-1. What is the wavelength of this radiation in meters?
A sugar-water mixture contains 45.8 g of sugar and 108.5 g of water. What is the percent by mass of sugar and the percent by mass of water in the solution?
Write the balanced equation for the following reactions. Use only the following descriptions: neutralization, precipitation, gaseous, combustion, synthesis, single displacement or decomposition
A gaseous mixture containing 0.150 mol fraction of carbon tetrachloride (CCl4) and 0.850 mol fraction of dry air is initially at 65.0°C
How would I determine the ions and write the correct ionic compound formed by barium and bromine
Give the structure that corresponds to the following molecular formula and 1H NMR spectrum
5 mL 1 M HCl and 10 mL .005 M iodine. If the reaction order is zero with respect to iodine, how long will it take for the iodine color to disappear?
the critical temperature of the mixture is known to be 200 F. Compare your answer with the critical pressures of pure methane and pure n-hexane.
A catalyst decreases the activation energy of a particular exothermic reaction by 59 kJ/mol, to 51 kJ/mol. Assuming that the mechanism has only one step, and that the products are 94 kJ lower in energy than the reactants
Evaluate the change in z (i.e., z) in going from the point (0,0) to the point (1,1) for the differentials: (1) dz = (x^2 + y^2) dx + xy dy and (2) dz = xy dx + xy dy
How many milliliters of 0.483 M HBr solution can be made from 38.0 mL of 8.00 M HBr solution?
Calculate the composition of the exhaust gases in kg/hr and calculate the percentage of benzene that is partially combusted.
We wish to lower the freezing point of the water in an automobile radiator to -40 C. The total mass of water present is 12.0kg. For which one for the following compounds would we have to use the greatest mass of solute to achieve this
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