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Problem- 3.00 g of a polymer is dissolved in an organic solvent. The volume of the solution is 150mL and an osmotic pressure of 76.0 torr is measured at 25oc. Calculate the molar mass of the polymer.
I am need of complete solution for this problem please help- me out to get right solution
The atmic planes in a graphite crystal are separated by 335pm. At what angle wuld you find the first order(n=1) diffraction of 0.154nm X-rays from a Graphite crystal
A reaction X2 + XY + Z2 ? X3Z + YZ (where X,Y,Z are atoms) is shown to have the following rate behavior: Rate (M/s) [X2] (M) [XY] (M) [Z2] (M)
An evaluation of R was performed, following the procedure. The barometric pressure was 736torr, the temperature was 295K, and the volume of hydrogen gas collected was 35.6mL. The calculated value of R was 82.1 atm K-1 mol-1. How many grams of magn..
At -12.0^degrees C (a common temperature for household freezers), what is the maximum mass of sorbitol (C6H14O6) you can add to 1.00 kg of pure water and still have the solution freeze? Assume that sorbitol is a molecular solid and does not ionize..
An experiment produces 15.0 grams of hydrogen for every 71.0 grams of oxygen used. How many grams of oxygen will you need to produce 6.0 g of hydrogen
What is the molecular, complete ionic equation, and net ionic reaction for the following. I get stuck trying to figure out the solubility. NaOH + HC2H3O2 -> BaCO3 + HNO3 -> K2S + HCl ->
Explain will a slower chemical reaction be expected to give a semilog absorbance/time plot with a slope that is more shallow or steeper that is closer to or further from the horizon than one that is faster?
Magnesium reacts with iron(III) chloride to form magnesium chloride and iron. 3Mg(s) + 2FeCl3(s) => 3MgCl2(s) + 2Fe(s)
calculate the energy levels of the pi-netwrok in octatetraene c8h10 using the particle in the box model. to calculate
For the reaction given below, 1.00 moles of A and 3.00 moles of B are placed in a 1.00-L container.?A(g) + 2B(g) C(g)?At equilibrium, the concentration of A is 0.300 mol/L. What is the concentration of B at equilibrium
determine how many micrograms of herbicide are present in 10 lb of soil if the herbicide level in the soil in a corn
which compunds moves to the aqueous NaOH? Provide the chemical reaction that occured when NaOH was added. Clearly indicate the different between ionic bond and covalent bond.
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