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Calculate (using Equation #4 below) the five points indicated in the experiment introduction and show these values in a small table along with one sample calculation. Use Excel to construct a full-page graph of moles H2 per gram sample (NH2) as a function of the % Al. Be sure to include the equation for the line and the R2 value. The slope and intercept should have 4 s.f. (double click on the equation and change the number format to "scientific" with 3 decimals) Make sure to title the graph (with a figure number) and to label the axes properly.
%Al (x-axis)NH2 (y-axis)0 %
25 %
50 %
75 %
100 %
Compounds A and B are isomers of molecular formula C9H19Br. Both yield the same alkene C as the exclusive product of elimination on being treated with tert-butoxide in DMSO Hydrogenation of alkene
The yield of the reaction to form your chalcone is not quantitative. What side products might be formed from your aldol condensation?
Consider the reaction 2KClO_3(s)\rightarrow 2 KCl(s)+3O_2(g) and the following table of values: Substance Delta G (kJ/mol) KClO_3(s) -296.3 KCl(s) -409.2 O_2(g) 0 State whether it would be worthwhile to investigate finding a catalyst to use in thi..
The heat of vaporization of 1.0 mole of water at 100°C and 1.0 atm is 40.6 kJ. Calculate the change in entropy for the process H2O(l) → H2O(g). Document your work here.
Which compound is more reactive toward electrophilic substitution e.g nitration? Explain you reasoning.
how many grams of Na2CO3 (FM 105.99) should be mixed with 5.00 g of NaHCO3 (FM 84.01) to produce 100ml of buffer with pH 10.00.
In photosynthesis, plants form glucose and oxygen from carbon dioxide and water. calculate delta H, delta S and delta G of the reaction. Delta H is 2800.
silver iodide in grams will dissolve in a solution that is a 2.0 x 10^-4 M silver nitrate when the system reaches equilibrium
A gas mixture composed of helium and argon has a density of 0.853g/L at a 745mmHg and 298K .What is the composition of the mixture by volume?
how many molecules of oxygen gas are needed to react with 4.2 moles of C3H8O?
Boron has two naturally occurring isotopes, 10B (19.9%)and 11B (80.1%). Although the B2 moleculedoes not exist naturally on Earth, it has been produced in the laboratory and observed in stars. (a) How many differentB2 molecules are possible? (b) W..
A 1.25g sample of ore containing iron pyrite (FeS2) was pulverized and ignited in air, converting the Fe2O3 and SO2. The Fe2O3 produced weighed 0.516g.
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