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An aqueous solution containing 5.38g of an optically pure compound was diluted to 200.0 ml with water placed in a polarimeter tube 20.0cm long. The measured rotation was -3.43degrees at 25 C. Calculate the specific rotation of the compound.
A sample of gas contains four gases (He, Ne, Ar, and Xe) with the following partial pressures: He (43 mm Hg), Ar (835 mm Hg), and Xe (111 mm Hg). If the total pressure in the container is 1355 mm Hg, what is the partial pressure of Ne in the sampl..
Which of the following observations is the strongest argument that in favor of the hypothesis that protein structure and function are related?
In a particular redox reaction, Cr is oxidized to CrO42 and Ag is reduced to Ag. Complete and balance the equation for this reaction in acidic solution. Phases are optional.
Attractive intermolecular forces exist between the molecules in the gas. The effect of these attractive intermolecular forces in a real gas is to
A chemist is trying to determine the amount of CaCO3 in an antacid tablet. She dissolves the tablet in water and titrates it with HCl according to the following reaction
During the reaction A+B to C, reagant B was held in excess at a concentration of 0.150 M. The order of B was 1. Next, by plotting collected data as ln [A] vs. time, a straight line was made with slope= -0.3045
A certain gaseous oxide of sulfur has an effusion rate that is 0.707 times the effusion rate of oxygen gas
What volume of H2 gas (in L ), measured at 742 mmHg and 84C, is required to synthesize 25.8g of CH3OH?
a zero-order reaction has a constant rate of 3.50times10-4 mrm s. if after 65.0 seconds the concentration has dropped
In fractional distillation and steam distillation, we used tap water. What would happen if you inversed the water in and water out of the condenser
If the copper is drawn into wire whose diameter is 7.50 , how many feet of copper can be obtained from the ingot? The density of copper is 8.94
According to the mechanism below, what is the correct expression for the rate of consumption of A. In the mechanism, M is a molecule that collides with A and A* is a highly-energized form of A.
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