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Starting with 33 moles of O2 in a bottle, calculate the volume of O2 the bottle could deliver to a climber at an altitude where the temperature is -38 degrees Celsius and the atmospheric pressure is 0.37 atm. And the answer has to be in liters
Potassium chlorate can be decomposed to o2 and potassium chloride. Calculate the mass of potassium chlorate that must react to procedure 187.1 ml of dry 02 at STP.
After allowing the solution to sit for 30 minutes the student determines that the bromide concentration was [Br-]= 0.0012 M. What is the Pb2+ concentration?
What would be the formula for the compound sample If a sample of a compound contains 1.36 mol of nitrogen atoms and 2.72 mol of oxygen atoms?
A 10.00 mL 0.25 M formic acid sample is being titrated with 0.25 M NaOH. What is the pH of the solution after adding 15.00 mL NaOH solution?? Ka=1.8x10-4
An asteroid is in the shape of sphere and has a mass of 1000 kilograms. Determine the density (in grams per cubic centimeter) of this asteroid if its diameter is known to be 1.2 meters
A quantity of oxygen occupies a volme of 19.2L at STP. How moles of oxygen are present?
an empty flask has a mass of 123.4 grams. when the flask is filled with water, the mass is 211.6 grams. if 10 grams of zinc (density=7.14g/cm3) are added to the flask filled with water, what is the new mass of the flask?
Calculate the concentration of Cu2+ in a solution prepared by adding 5.2 x 10 -3 mol of CuSO4 to 0.450L of 0.38 M NH3.
What role does ammonium bromide play in the conversion of the trans-substituted aziridine to the diazabicyclo
How many moles of N2 are produced by the decomposition of 1.80 mol of NaN3?
Regiochemistry and stereochemistry in diels-alder reactions, How does one predict which regioisomer forms as the major product when more than one product can form? How does the dienophile affect the stereochemistry of the product?
what fraction of this side chain is positively charged and what fraction is neutral at pH 7.2?
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