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The concept of limiting reactant is a very important one in Chemistry. Explain what the concept of limiting reactant means and give an example of a limiting reactant everyday-life situation.
The thermodynamic enolate from 1-phenyl-2-propanone has the Z configuration of its double bond. Explain what is the structure. Defend why this must be the structure.
The equilibrium constant for the following reaction is .20 at 100 degrees C. if an equilibrium mixture contains solid carbon, [H2O]=.40 M, and [CO]=.40 M,what is the [H2]? C(s)+H2O(g) CO(g)+H2(g)
Use tabulated thermodynamic data to calculate ?S° for the reaction: PbO2(s) + 2Ni(s) ? Pb(s) + 2NiO(s)
what is the minimum rate that fresh air has to be supplied to the room so that the concentration of CO2 in the room doesn't exceed 0.500% by mole? Assume the room is well mixed, and the volume of the solid dry ice does not change. mol air/min
Draw the neutral major organic product pentanoic anhydride & 2 equivalents of dimethyl amine [HN(CH3)2] given that one equivalent of amine acts as the nucleophile
The pressure gauge on a 20.0 m3 tank of nitrogen at 25 ?C reads 10 bar. Estimate the mass of nitrogen in the tank by : (a) Direct solution of the ideal gas equation of state. (b) Conversion from standard conditions.
Problem- In a fictitious lab experiment a class studied two acid base reactions and recorded the temperature change. class averages were reported
For the simple cubic crystal structure, in terms of the atomic radius, R, determine the distance between the centers of adjacent atoms along the [120] direction.
Write chemical formulas for (a)lithium bromide,(b)calcium sulfide,(c) sodium sulfide,(d)beryllium oxide,(e) the chlorine molecule
Problem- Find the approximate pH range suitable for the separation of Fe3+ and Zn2+ ions by precipitation of Fe(OH)3 from a solution that is initially .010 M in both Fe3+ and Zn2+
Diagram a hydrolysis reaction (using expanded structural formula) of butene. Be sure to include all the possible products formed. Name the product(s).
calculate the composition in weight percent of an alloy that contains 90 kg of fe 20 kg of cr and 15 kg of ni. what is
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