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A 1.500 g sample of a compound containing only C, H and O was burned completely. The only combustion products were 1.738 g CO2 and 0.711 g H2O. What is the empirical formula of the compound? If the molecular mass of the compound was found to be 152.0.
supposed the theoritical yield in a reaction is 68.8g, and the percent yield is 66.0%. What is the actual yield of product obtained?
Given the reaction of aA+bB-->cC, if "d" moles of A are combined with excess B, how much C can be formed?
Provide a structure for the following compound: C9H10O3; IR: 2400-3200, 1700, 1630 cm-1; 1H NMR: ? 1.53 (3H, t, J = 8 Hz); ? 4.32 (2H, q, J = 8 Hz); ? 7.08, ? 8.13 (4H, pair of leaning doublets, J = 10 Hz); ? 10 (1H, broad, disappears with D2O sha..
Using the generalized compressibility charts, determine the actual volumetric flow rate. Assuming this answer is the correct, what is the % error of the answer from part
How many quartz of ethylene glycol, C2H6O2 (density = 1.116 g/mL). Will have to be added to 5 gal of water (density = 1 g/mL) to protect an automobile radiator down to a temperature of-10 oF?
Draw the structure of the product(s) of the reaction between (S)-3-methylhexan-2-one and methylmagnesium bromide, followed by acidification. Use wedge and dash bonds to indicate stereochemistry
The mass spectrum of an organic compound shows the relative abundances of M to be 83.79% and M 1 to be 13.59%. Assuming the peaks are caused by 12C and 13C isotopes,
Phosphorus, P, is combined with flourine F2, to give a gaseous compound with the formula PFx. If you start with 2.982 grams of P and isolate 12.129 grams of PFx, what is the value of x?
Calculate the change in energy required in making 70.0 mL of water from its elements under standard conditions
What type of crystal lattice does each metal form. the number of atoms per unit is given in parentheses. Ni (4) , Cr (2) , Ca (4)
The quantity of atmoshperic SO2 (g) can be determined by reaction with H2O2 (aq), according to the balanced chemical equation...
2-methyl-2-butene and 2-methyl-1-butene with Br2 in CH2Cl2
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