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A 1.526 g sample of a polymer dissolved in 1.00 L of a benzene solution at 22°C has an osmotic pressure of 4.52 x 10-2 atm. What is the molar mass of thepolymer?
At 25.00 degree celsius, the vapor pressure of butane is 2.3 atm. what is the pressure in the container at 135 degree celsius. (change in heat of vapor is 24.3 kJ/mol)
Calculate the molarity of a solution made by dissolving 5.00 g of glucose (C6H12O6) in sufficient water to form exactly 100 mL of solution.
How many moles of stem are produced at 2.00 atm and 202.0 celcius by the complete combustion of 12.50 L of methane gas?
One way to analyze sulfur is by comustion of the sample, which produces SO2 and SO3 that can be bubbled through H2O2 to produce H2SO4. The H2SO4 is then titrated against NaOH in the reaction H2SO4 + 2NaOH ? Na2SO4 + 2H2O.
A raw wastewater is to be treated chemically for the removal of total suspended solids and phosphorus through coagulation, flocculation, and sedimentation. The wastewater characteristics are as follows: Q = 0.60 m3/s Orthophosphorus = 9.0 g/m3 as ..
Your lab partner has taken too much of one of the reactants in your experiment.
If the following elements (Na, K, RB, Cs, Fr) were ranked in order from smallest (1st) to largest (5th) ionization energy, where would sodium be listed
What is the equation for standard deviation? Also, what is the purpose of each of the values in the equation?
State what substances (if compounds, give their formulas) exist in each region. Label each substance in each region as solid, liquid, or gas.
Estimate the boiling point of Br2 (l). (b) From standard reference sources, find the actual boiling point of bromine. (c) How do these values compare?
you have two gas tanks one is 7.00 l and the other is 3.50l and one of the tanks has oxygen in it and the other has
In a standardization titration involving hydrochloric acid and sodium carbonate, a student recoirded the following results for the volume of hydrochloric acid used against 10.00mL of the sodium carbonate solution : 15.60; 14.50; 14.70 aqnd 14.20. ..
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