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How many times faster (to 0.01 X faster - that is, what is the ratio of v20/v44) would the rate of diffusion of a gas with a molecular mass of 20 g/mol be than the rate of diffusion of a second gas having a molecular mass of 44 g/mol?
Also, you are to write a short essay on what you expect to find 50 years hence. What would be your predictions?
Utilized 1.99 g of t-butanol in synthesis of BHT. Presuming no other substances are limiting, explain how many grams of BHT can be formed
An electric power station annually burns 3.0 x 10^7 kg of coal containing 2.4 percent sulfur by mass. Calculate the volume of SO2 emitted at STP.
The molarity of an aqueous solution of potassium hydroxide is finding out by titration against a 0.138M hydrobromic acid solution. If 27.4ml of the base are required to neutralize 21.6ml of hydrobromic acid explain what the moalrity of the potassi..
How many grams of solid sodium phosphate, Na3PO4, are needed to prepare exactly 250ml of a 0.500M Na+ solution?
If the rate constant at 20 degrees CELSIUS IS 4.3(10^-5). How long would it take for 83% of the compound to decompose ? if the rate constant is 9.0(10^-4) at 55 degrees Celsius what will the activation energy be?
Ca(OH)2 (aq) was prepared) wasn't truely saturated (it was unsaturated) how would this affect the calculated value of the Ksp?
Complete and balance the equations for each of the following reactions. Express your answer as a chemical equation. Identify all of the phases
If the measured cell potential is 0.9000 V at 25 °C and the standard reduction potential of the Ag /Ag half-reaction couple is 0.80 V, calculate the hydrogen ion concentration in the anode compartment.
How many moles of ammonium ions are released when 1.6 mol of ammonium phosphate, (NH4)3PO4, is dissolved in water?
A container holds 355mL of a mixture of nitrogen and carbon dioxide gases. Compute the partial pressures of each gas if the container is at 27.3 degrees C.
how many grams of AgNO3 can be produced by reacting completely 88.0g of Ag? (c)- state the number of grams of water that can be obtained by the reaction of 324g of Ag with 126g of HNO3
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