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DOP is a plasticizer used in poly (vinyl chloride) to make the polymer soft as well as flexible for water-proofing fabrics. DOP consists only of carbon, hydrogen, and oxygen atoms. The combustion of 17.422 g of DOP in excess oxygen yields 47.119 g of CO2 and 15.274 g of H2O. 12.01 g/mol, O: 16.00 g/mol, H: 1.008 g/mol)
(a) Determine the empirical formula of DOP.
(b) DOP has a molecular mass of 390.54 g/mol. Determine the molecular formula.
The S-S bond distances in S8 are 204 pm and the F-F bond distance in F2 is 143 pm. Use these values to estimate the S-F bond distance in S2F2.
When a 5.00 L flask containing 1.35 atm of gas A is joined with a 2.00 L flask containing 1.00 atm of gas B, and the stopcock between the flasks is opened, and the gases are allowed to mix thoroughly at constant temperature
Interhalogens are covalent compounds when one halogen is bonded with another halogen. When 3.299 of iodine reacts with fluorine, 5.768g of IFx is formed. What is the value of x in product formula (IFx)?
IF a dose of 0.500 g Kefzol is to be administered by IV. 0.500 g Kefzol is diluted to 50.0 mL total volume. The drug is to be administered over 30.0 minutes. Explain how many milliliters per hour the IV pump will be set to administer one dose.
A baseball weighs 220 g. Top speed for a professional pitcher is about 100 mph when he throws a fast ball. Find the de Broglie wavelength
Which compound is more reactive toward electrophilic substitution e.g nitration? Explain you reasoning.
A power plant burns 10^4 kg hr-1 of coal containing 2.5% sulfur. The effluent is released from a single stack of height 70 m. The plume rise is normally about 30 m.
For a given first order reaction, the rate constant is 0.00035 s-1. How many minutes will it take for a reactant concentration to drop to 13.7 % of its initial value
Which of the following rate law best illustrates the kinetics of the reaction between hydrochloric acid and sodium thiosulfate
A single Lewis structure for the phosphate ion (), assuming that the phosphorus atom can expand its octet such that the formal charge on each of the atoms is minimized
Experimental write up without changing our kinetics calculation. Write the structure of another other organic products that might be produced from the carbocation intermediate in this reaction.
When 4.6 mol O2 is heated at a constant pressure of 3.25 atm, its temperature increases from 252 K to 300. K. Given that the molar heat capacity of O2 at a constant pressure is 29.4 JK-1 mol-1, calculate q, ?H, and ?U.
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