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Experiments have shown that for 1,2-dichloroethane, ClCH2CH2Cl, in carbon tetrachloride solution at 25 degrees, 70% of the molecules are in the "anti" and 30% are in the "gauche" conformation.
Draw a Newman projection of the "anti" conformation of 1,2-dichloroethane.
Calculate the activity coefficient of glucose in this solution if the solution freezes at -0.66 C.
Calculate the wavelength (m) associated with an electron that travels at 65% of the speed of light.
A solution is prepared by mixing 80.0 mL of alcohol with enough water to give 200.0 mL solution. Calculate the % v/v concentration of alcohol in the solution.
A solution was prepared by dissolving 28.0g of KCl in 225g of water. Calculate the mass percent of KCl in the solution.
when it dissolves in water (3 moles of ions/mole of salt). Calculate the freezing point of a solution containing 18.8g of Na2SO4 in 465g of water. The Kf for water is 1.86C kg mol-1.
Total heat evolved by the reaction by adding the heats required to raise both the solution and the calorimeter to the maximum temperature. 5). Heat evolved per mole of Mg 6) Change in enthalpy for the following specific reaction. Be sure to indica..
Calculate the mass of Sodium and Zinc in grams in the following equations using ideal gas law - Determine the amount of Zinc metal in grams consumed in the reaction.
Blending of two wines with different concentrations of acid, Two wines are available for blending: One tank of 1000 L has a Titratable Acidity of 9.0 g/L and another tank containing 2000 L has a Titratable Acidity of 0.6 g/L.
Draw the product of the following reactions and indicate whether the product would be (R), (S), racemic, or achiral. You do not have to draw a projection that shows the configuration; you can just use the label
Calculate the pH of a strong base solution formed by mixing 16.2 mL of 8.93e-05 M LiOH with 23.6 mL of 9.10e-05 M Sr(OH)2.
consider the reaction in which 410g of Ca(NO3)2 react with just the right amount of magnesium metal in a single replacement reaction. how many grams of lithium are required?
if the syinge colume had been incorrectly read, giving a calculated system volume of 25.6 mL, what would have been the percent error in the calculated value of R?
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