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The addition of anhydrous calcium chloride to the crude product obtained from the separation procedure often results in the product becoming clear what causes this clearing
At 25 degree celcius, the density of a 50 percent by mass ethanol/water solution is 0.914 g per subic centimetre. Given that the partial molar volume of water in the solution is 17.4 cubic centimeter per mol.
Write balanced net ionic equation for the reactions that take place when the following reagents are mixed together in aqueous solution:
What is the concentration (in mg/L) of dissolved O2 in blood (or water) at this partial pressure and a normal body temp of 37 C? The solubility of O2 in water at 37 C and 1 atm partial pressure is 1.93 x 10^-3 mol/L.
what is the value of delta G at 25 C for this reaction
What is the molarity of benzyl alcohol if the molecular weight is 108.14, the volume is 5 mL
how could you use this information to design a crystallization procedure?
what tempreture must 0.040 moles of water vapor be heated in a 500ml flask before the pressure in the flask becomes 2 atm.
Determine the quantity of stock 75% EtOH required to prepare 300ml of a 25% EtOH solution.
how many g of A will be transferred to the new ether layer? (K remains the same, even though the number of g of A being partitioned is smaller. How many total g of A have been extracted into the two ether fractions?
Calculate the minimum energy a photon must have to produce an electron hole pair in an extrinsic semiconductor of band gap 1.0 electron volts.
Suppose a student is measuring the optical rotation of a 1 M sample of (S)-(-)- Limonene. The path length is 13cm. What optical rotation should the student expect to measure?
What is the percent by mass of oxygen in a gaseous mixture whose molar composition is 0.500% CO2 and 99.500% air?
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