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Suppose a rotation for S-(+)-ethyl 3-hydroxybutanoate of 37.2? is reported to correspond to an enatiomeric excess of 85%. What is the speci? c rotation, [a]25D, of 100% pure S(+)-ethyl 3-hydroxybutanoate?
which has the most mass. which has the least. which has the most number of atoms. which has the least. which has highest density. which has the least. Do the most atoms always correspond to most mass.
why is a stemless funnel recommended for filtration of the hot saturated solution? 2. in your buchner funnel, can you use filter paper that is to big for the funnel and curls up around the edges? why?
acetylene c2h2 will burn in the presence of oxygen.2c2h2g 5o2g --gt 4co2g 2h2oghow many grams of water can be
the henrys law constant k for carbon monoxide in water at 25ordmc is 9.71 x 10-4 mollbullatm. how many grams of co will
Toluene is a liquid compound similar to benzene. Calculate the mole fraction of Toluene in a solution that contains 112 g Toluene and 221 g Benzene.
Suppose that one needs 17.65mL of 0.1146M NaOH to titrate 25.00mL of acetic acid, a weak acid, to the equivalent point. Calculate [HAc]
How many moles of KHP were weighed out? How many moles of NaOH were required to neutralize the KHP that was weighed out?
Application of Avogadro's law - To evaluate the volume of a gas using Avogadro's Law.
For the reaction CO2(g)+H2(g)=CO(g)+H2O(g) at 1000 K, an equilibrium mixture of the gasses consists of 0.276 mol H2, 0.276 mol CO2, 0.224 mol CO and 0.224 mol H2O. What is the value of delta G for the reaction at this temperature
Calculate the cell potential for the following reaction as written at 59 °C, given that [Zn2 ] = 0.874 M and [Sn2 ] = 0.0170 M. Standard reduction potentials can be found here.
Calculate the Total Cell Number, You are given a 500ml culture of Euglena from which a 1 ml sample is taken and put in 49 ml of water. Absorbance was measured on this sample but the reading was off the scale
Suppose a reaction mixture, when diluted with water, afforded 300mL of an aqueous solution of 30 g of the reaction product malonitrile,CH2(CN)2 which is to be isolated by extraction with ether. The solution of malonitrile in ether at room temperat..
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