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An unknown Gas is placed in a 1.50 L bulb at pressure of 356mm Hg and a temputure 22.5c and is found to weight 0.9266 g. What is molecular mass of the gas use the ideal gas law to determine the answer
A sample of neon has a volume of 270 mL when it is at a pressure of 831 mmHg. What will be the volume when the pressure is increased to 1238 mmHg?
Using curved arrows to symbolize the flow of electrons, write the mechanism for the steps involved in the conversion of 9-fluorenone to 9-fluorenol with sodium borohydride followed by aqueous acid
Write the balanced net ionic equation for the standardization of the sodium thiosulfate solution by combining IO3-(aq) + 8I-(aq) + 6H+(aq) ----->3I3-(aq) + 3H2O(l)
A solution is prepared by dissolving 13.4 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 12.00 mL sample of this stock solution is added to 57.00 mL of water. Calculate the concentration of ammonium ions and sulfate ions ..
What is the mole to mole relationship between the copper and silver respectively? A. 2:10 B. 2:1 C. 1:1
how many moles of oxygen are consumed with the combustion of one mole of butane. C4H10?
Explain what volume (L) of NH3 gas at STP is produced by the complete reaction of 7.5 g of H2O according to the following reaction
the crucible is handled with oily fingers after its mass measurement but before the 3g sample of the hydrated salt is
Calculate the formula mass of each compound given below. Keep at least one decimal place in atomic masses from the periodic table.
Problem- The solubility of slaked lime, Ca(OH)2 in water is 0.185 g /100ml. what volume of 0.00400 M HCl is needed to neutralize 14.0 ml of saturated Ca(OH)2 solution
What is the activity of a 1.00 mg sample of P-32? c) Approximately what mass of 32P will remain in the original 1.00 mg sample after 57 days. d) What is the rate of radioactive decay after 57 days
How to calculate the volume of 1.5M aqueous pottasium hydroxide require to react completly with 2g of benzoic acid and extract the solution twice using the volume calculated?
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