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Define an attempt at synthesizing a certain optically active compound resulted in a mixture of its enantiomers. Suppose the mixture had an observed specific rotation of 16.5°. If it is known that the specific rotation of the R enantiomer is -31.1°, find out the percentage of each isomer in the mixture.
Of the substances below, the highest fuel value is obtained from- charcoal bituminous coal natural gas hydrogen wood
A biochemical engineer isolates a bacterial gene fragment and dissolves a 13.1 mg sample of the material in enough water to make 39.3 mL of solution. The osmotic pressure of the solution is 0.340 torr at 25°C.
It's not until death that the percentage of carbon-14 will begin to diminish from decay. Because radioactive decay is a first-order process, the integrated rate law for a first-order reaction can be rewritten asfraction remaining
Suppose that all 175 L of liquid nitrogen in a tank accidentally vaporized in lab that measured 10.00 m X 10.00 m X 2.50 m. What maximum fraction of the air in the room is displaced by the gaseous nitrogen?
What is the maximum number of electrons in an atom whose highest-energy electrons have the principal quantum number n=5
What is the formula that relates the temperature change obsereved in a substance with the energy released or abosrbed? when you measure a temperature rise during a chemical reaction, is the reaction endothermic or exothermic?
Explain why the boiling point of an aqueous solution that is 1.0 m in glucose (C6H12O6) is 100.51oC whereas The boiling point of an aqueous solution that is 1.0 m in NaCl is 101.02 oC .
draw the organic product of the following reaction between (1s,3s)-chloro-3methylcyclopentane and methanethiol
0.375 g of a monoprotic acid mm 245 gmol is dissolved in water to produce 25.0 ml of a solution with ph 3.28.
A quantity of n2 occupies a volume of 1.0L at 310K and 1.4 atm. The gas expands to a volume of 3.3L as the result of a change in both temperature and pressure. Find the density of the gas at these new conditions.
How much heat (in kJ) is required to warm 16.0g of ice, initially at -11.0 C, to steam at 112.0 C? The heat capacity of ice is 2.09 J/g*C and that of steam is 2.01 J/g*C.
molarity of acetic acid in a 15ml sample of vinegar that requires 22.7 ml of 0.550M solution of NaOH to reach neutralization point
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