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1. A 5.325 - g sample of Methyl Butyrate, a fruity smell is found to contain 3.131 g of Carbon, 0.5255 g of Hydrogen, and 1.668 of Oxygen. What is the empirical formula of the substance? (NOTE: molar mass is 102 g/mol)
2. Compound is found to consist of 43.64% P and 56.36% O. The molar mass for the compound is 283.88 g/mol. What is the empirical formula and molecular formula of the compound?
If you started a reaction with 2.00mmol of cyclopentanone (0.18ml) and 8.00mmol of benzaldehyde (0.81ml) what is the theoretical of the final product dibenzalcyclopentanone
When a beam of alpha particles passes between two electrically charged plates, the beam is deflected toward the positive plate. A) true B) false Boron oobtained from borax deposits in Death Valley consists of two isotopes. They are boron -10 and b..
Injection of 1ul of 19.5ppm benzene as well as octane are 3.5 and 7.6 min respectively isothermal run at 120 C Column HP- 1, 25m length, .25 mm I.D., 0.33u film thickness. Carrier gas flow rate is 0.8ml/min. compute the retention time of nonane on..
Beginning with propanol as the only organic compound (expcept solvents) available,
estimate the mean ionic activity coefficient for NaCl in a solution that is 0.020 mol/kg NaCl(aq) and 0.035 mol/kg Ca(NO3)2 (aq)
considering the given reaction h2 g l2 g ltgt 2 hl g wherenbsp k 1.00 x 102 at a particular temperature in an
What maximum length of aluminum foil can be made from 1.10 kg of aluminum?
A gas is allowed to expand at constant temperature from a volume of 2.0L to 11.2 L against an external pressure of 0.750 atm. If the gas absorbs 128 J of heat from the surroundings
Lakes that have been acidified by acid rain can be neutralized by liming, the addition of limestone (CaCO3). How much limestone in kilograms is required to completely neutralize a 3.8 x 109 L lake with a pH of 5.5
Referring to Table 17.1, calculate the mole fraction of Xe and its concentration in parts per million by volume.
The reaction below is studied at a high temperature. PCl5(g) f PCl3(g) + Cl2(g) At equilibrium, the partial pressures of the gases are as follows: PCl5 = 1.8 × 10-2 atm, PCl3 = 5.6 × 10-2 atm, and Cl2 = 3.8 × 10-4 atm. What is the value of Kp for ..
Give an example of a ketone which will produce a positive iodoform test and another ketone w/ the same # of carbon atoms that will test negatively. Draw the structures.
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