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Phosphorus, P4, can be prepared from calcium phosphate by the reaction3370 g 1795 g 650 g2Ca3(PO4)2+6SiO2+10C = 6CaSiO3+P4+10CO310 g/mol 60.1 g/mol 12.0 g/molThe molar mass for each reactant is shown below the reactant, and the mass of each reactant for this problem is given above. Which reactant is the limiting reagent?
The mass spectrum of an organic compound shows the relative abundances of M to be 60.70% and M 1 to be 15.76%. Assuming the peaks are caused by 12C and 13C isotopes, determine the number of carbon atoms in the compound.
Draw a typical force vs. distance (approach and retract) curve and explain how particular features correspond to different forces exerted between tip and sample
commercial concentrated of nh3aq is 28 percent ammonia by mass. density of the solution 0.900 gml. compute the
The following plot shows experimental data from a reaction. What is the third half life of the reactions if the slope of the plot if 0.0023 1/M*s and the y-intercept is 0.45 1/M ?
How many total calories do you consume from these three organic substances when you eat 1 candy bar 3 times a day?
Calculate the enthalpy and entropy departure for water at 400 C and 30 MPa using generalized correlations. Compare these values to those in the steam tables
Calculate the potential at a platinum electrode in the titration of 50.0 mL of 0.100 M FeSO4 after addition of 7.00 mL of 0.0500 M KMnO4.
How many joules of heat are given off when 5 g of water cool from 75 degrees C to 25 degrees C?
explain how dissolving the group iv carbonate precipitate with 6m ch3cooh followed by the addition of extra acetic
What are the advantages and disadvantages of animal studies and epidemiological studies for establishing dose-response relationships?
Question about Half life problem, We are performing an experiment using half-life =4.5 x 10^3 days labeled phenylalanine in which the five atomic hydrogens are labeled.To perform the experiment
The equilbrium constant for the decompositon at 25 degrees C is 2.3 X 10 ^ -4. At 25 degrees C , 7.5 g of NH4CO2NH2 is sealed in a 10 L flask and allowed to decompose.
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