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An aqueous solution containing 5.23 g of an optically pure compound was diluted to 500.0 mL with water and placed in a polarimeter tube 20.0 cm long. The measured rotation was -2.17° at 25 °C. Calculate the specific rotation of the compound.
Study the structures of the chlorophylls and carotenoids and predict the relative polarity of each set of pigments below
2-Methyl-1-propanol is more soluble in water than is glycerol because 2-methyl-1-propanol forms fewer hydrogen bonds with water. Glycerol is more soluble in water than is 2-methyl-1-propanol because glycerol can form multiple hydrogen bonds with wate..
A sediment sample of clay was equilibrated with ammonium ion (NH4+). The ammonium ion was then displaced with Na+. The total amount of ammonium that had been adsorbed.
how much heat in kj would be required to vaporize 1.00 L of diethyl ether (C4H10O), density is 0.714g/mL at 298 K, if the enthalpy of vaporization at this temperature is 26.0 kj/mol?
liquid water and sealed at 25C and a pressure of 1.00 bar. What is the pressure if the temperature of the system is raised to 60.0C?
Determine the hydraulic conductivity and transmissivity of the aquifer and What would Q be if the hydraulic gradient
When two atoms of 2H (deuterium) are fused to form one atom of 4He (helium), the total energy evolved is 3.83 × 10-12 joules. What is the total change in mass
A copper wire (density = 8.96 g/cm3) has a diameter of 0.49 mm. If a sample of this copper wire has a mass of 11 g, how long is the wire in ft?
What is the percent yield of a reaction in which 222 g phosphorus trichloride reacts with excess water to form 141 g HCl and aqueous phosphorus acid (H3PO3)?
What is the pH of the resulting hydrochloric acid solution and 0.40 g of hydrogen chloride (HCl)is dissolved in water to make 6.0L of solution
what will be the pressure of the gasesous water in a 4.25 L flask at 30.0 degrees celcius.
what is the mole fraction of ethanol in an aqueous solution that is 46 percent ethanol by mass?
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