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What is the concentration of chlorine ( in mg/L) of household bleach that contains 5.25% by weight of CL2? Assume the density of water = 1,000 kg/m^3.
15.0 moles of gas are in a 6.00 L tank at 24.1 degrees C. Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constantsfor methane are a = 2.300 L^2 atm/ mol^2 and b = 0.0430 L/mol
the curie ci is a commonly used unit for measuring nuclear radioactivity 1 curie of radiation is equal to 3.7 1010
Suppose you are given 150 mg of an unknown mixture that contains three compounds, and you are told to separate the compounds using column chromatography, using alumina as a stationary phase. How would you decide what solvent or solvent system to u..
a solution of NaOH is added to the supnatant liquid until it is strongly alkaline. No precipitate is formed. Which ions are present in each of the precipitates. Which cations are not present in the original solution?
a gas mixture composed of helium and argon has a density of 0.727gl at a 755mmhg and 298k .what is the composition of
Write the reaction under study and explain why menthone is a good target molecule of the peppermint oil.
Determine how many moles of SO 3 are formed if 12.24 moles of O 2 react with excess SO 2 ,? use the balance equation given as 2SO 2 (g)+O 2 (g)----> 2SO 3 (g)
Use the molar volume of a gas at STP to determine the volume (in {rm L}) occupied by 15.0 {rm g} of neon at STP.
Consider the unbalanced equation: C5H12(l) +O2(g) --> CO2(g) +H2O(l) if 25.2 grams of pentane (C5H12) are burned in excess oxygen, how many grams of H2O will be produced?
how many grams of sucrose (C12H22O11) must be dissolved in 200 g water to make a solution in which the mole fraction of sucrose is 0.1? answer in units of g.
During the conversion of glutamine to proline, you have labeled the gamma-carbonyl group of glutamine with 14C. What carbon in the proline product would be labeled
Calculate the partial pressure of ozone and the number of ozone molecules per liter of air if the temperature and pressure were 20.0 °C and 758 mmHg, respectively.
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