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A 6.70 g sample of is allowed to decay. If 2.20 g of this isotope remains after 10.0 days, what is the rate constant?
Problem- If 3.49 moles of an ideal gas have a pressure of 8.56 atm, and a volume of 64.53 L, what is the temperature of the sample
What are the concentrations of H+ ? and CO32- ?, respectively, for a 0.073 M carbonic acid solution? Assume there is no loss of any carbonate species via generation of CO2.
a) Calculate the standard cell potential for the following cell
if a sample containing 2.11 ml of nitroglycerine density 1.592 gml is detonated how many total moles of gas are
Three solutions are mixed together to form a single solution. one contains 0.2 mol pb(CH3COO)2, the second contain 0.1mol Na2S and the third contains 0.1mol CaCl2. A. write the net ionic equations for the precipitation reaction or reactions that o..
When elemental sulfur S8, , is heated with AgF , a gas forms that contains only sulfur and fluorine. The following tests were done to characterize this gaseous product.
The following compound has two stereoisomers. One has a dipole of 0 D, and the other has a dipole moment of 2.95 D. Draw the structure of the stereoisomer with dipole moment of 2.95 D.
The decomposition of N2O5 yields NO2 + NO3 proceeds as far as a first order reaction with a half life of 30 seconds at a certain temperature. If the initial concentration {N2O5}0=.4 M define what is the concentration after 120 seconds
Bromine reacts with aluminum iodide. If 6.35x10^21 molecules of iodide are produced , how many grams of aluminum iodide is reacted. need help writing out the equation.
a titration curve for H3PO4 (triprotic acid) and a mixture of three weak acids?
What is the concentration of iron in the steel sample? Express your answer as grams of Fe per grams of steel (g Fe2 / g steel).
What is the solubility of lead fluoride in a solution of 0.050 M of sodium fluoride?
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