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What is effective nuclear charge? How does it affect the size of an element's atomic radius? (YOUR ANSWER MUST BE COMPLETE AND THOROUGH TO RECEIVE FULL CREDIT)
A 3.84-mole sample of a gas is held at a temperature of 297 K and a pressure of 286 atm. Determine the volume of the gas sample.
at 27 degrees celsius the vapor pressure of pure water is 23.76 mmhg and that of an aqueous solution of urea is 22.99
A gas is heated from 14 degrees celsius to 121 degrees celsius and the volume increased from 15.0 liters to 41.4 liters. If the original pressure is 1 atm, what would the final pressure be?
A substance, C, decomposed by water is initially dissolved in water (at t=0) to form a 1.0M solution. At the end of 100,000 s, 50% of C remains unreacted. What percentage of C will remain at t=1week if the reaction is second order in C only to 3 s..
If the association of several protein chains into a larger structure as in the case of hemoglobin is an example of ________ structure
Consider the figure that shows the distillation apparatus. Describe the practical reasons behind the direction of the flow of water through the condense. It will not let me upload the picture of the figure. It keeps saying that there is an error? ..
A major source of iron is from the mineral magnetite which is 72.4% iron by mass. If magnetite has a density of 5.20 g/cm3, how many cubic meters
Can you please put the following that react with hydrogen peroxide (FeCl2, FeCl3, CuCl2, CuCl,ZnCl2) in an order from slowest to quickest decomposition?
linear polystyrene has phenyl groups that are attached to alternate not adjacent carbons of the polymer chain
Is density of an organic molecule directly related to the molecular weight of a substance. (That is, does density always increase when molecular weight increases) Use the examples above to explain.
Suppose Milk of Magnesia is a suspension of magnesium hydroxide in water. A common medicine, it is frequently used as an antacid for the reason that it neutralizes hydrochloric acid in the stomach
A mixture of cuso4 * 5H2O MgSO4 * 7H2O is heated until all the water is lost. If 5.020 g of the mixture gives 2,988 of the anhydrous salts, what is the percent by mass of cuso4 * 5H20 in the mixture
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