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Gas A has a density of 0.20 g L, and gas B has a density of 0.80gL, both at the same specific temperature and prassure. Which gas diffuse faster?
entropies of atom combination to determine if any of the following reactions have an equilibrium constant greater than 1. Find the reaction with the greatest equilibrium constant. Find the reaction with the smallest equilibrium constant.
How many grams of silica were in a 6.00 grams sample, if it took 34.1 mL of 0.95 M HCl to react with all of calcium carbonate
Suppose a sample containing 1.200g of Compound X is heated in 25.0 mL of heptane. What is the minimum temperature required to dissolve the sample. If the sample were then cooled to 0 degrees, what would the percent recovery of the solid that would..
For the gas phase decomposition of C2H5Cl, a graph of ln t versus 1 / T produced a straight line with a slope of 2.98 × 104 K. What is the activation energy for this reaction
If the pressure is measured at a temperature of 25.0 °C, then the volume of the tank must be ___ liters. (Round your answer to one decimal place and do not include units with the number.)
Determine which gases remain after the reaction goes to completion and calculate their partial pressures. The temperature at the beginnning and the end of the experiment is 22 °C.
Choose all of the processes from below which describe changes which are independent of the path by which the change occurs. the elevation increase experienced by a traveller travelling from Grand Isle, LA to Denver, Colorado
An organic compound was prepared and purified by chromatography. A conductivity measurement showed the compound to be a nonelectrolyte
Starting with butane, 2-bromobutane or 1-bromobutane, please show the reaction/mechanism for how could prepare
Calculate the pH of a solution made by mixing 2.0 M HF and 2.0 M HCN. Also calculate the concentration of CN- ion at equilibrium.
Explain how the calculated formula of the hydrate would be changed if water from the air is absorbed by the hot dry sample as it cools.
what are two structural features that allow soap molecule to work in either to have a good soap
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