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Give the number of protons, electrons, and neutrons in neutral atoms of each of the following isotopes: (a) 3 7Li (b) 52 125Te (c) 47 109Ag (d) 7 15N (e) 15 31P
What is the molecular structure of the stable form of FNO2? (N is the central atom.)
Compound A (C8H10) when treated with hydrogen and palladium produces compund B (C8H18).Hydration of A produces a compund C (C8H14O2).Ozonolysis of A with an oxidative work-up produces three fragments,HOCOOH,HOCOC(CH3)2COOH,and HOCOCCH3.What are th..
An unknown solution of alkaline earth metal nitrates gave a white precipitate when an ammonium sulfate solution was added. After the precipitate was removed by centrifuging, a white precipitate formed when ammonium oxalate was added to the remaini..
2ZnS + 3O2 = 2ZnO + 2SO2 how many moles of Zno are produces when 32 gms of oxygen is allowed to react with an excess of ZnS?
At standard temperature, a gas has a volume of 335 mL. The temperature is then increased to 123 degrees celcius, and the pressure is held constant. What is the new volume
Trichloroethane has a vapor pressure of 100.0 mm Hg at 20.0 C and boils at 74.1 C. An uncovered cup (1/2 pint) of trichloroethane (d=1.325 g/mL) is kept in an 18-ft3 refrigerator at 39 F. What percentage (by mass) of trichloroethane is left as a l..
Question- A sample of the compound prepared in this experiment weighing 0.1021 gis dissolved in HNO3 and diluted to a volume of 100ml.A 10-ml alioquot of that solution is mixed with 10 ml 6M NH3 the resulting solution is found to be 5.16x 10^-3 M
You are carrying out tlc with a mixture of two compounds A and B. A is less polar than B. On a REVERSE PHASE plate
The decomposition of N2O5 is a first-order reaction: N2O5 ? 2NO2 + ½ O2. At 25 °C, it takes 5.2 h for the concentration to drop from 0.120 M to 0.060 M. Calculate the rate constant for the decomposition of N2O5.
the density of liquid octane, H8H18, is 0.7025g/ml. if 1.00ml of liquid octane is vaporized at 100 degrees 100'c and 725 torr, what volume does the vapor occupy?
Calculate the solubility of O2 in water at a partial pressure of O2 of 120 torr at 25 Degrees celsius. The Henry's law constant for O2 is 1.3 X 10^-3 mol/L X atm for Henry's law in the form C=kP, where C is the gas concentration (mol/L)
question a gas occupying a volume of 847 ml at a pressure of 0.970 atm is allowed to expand at constant temperature
The general molecular formula for alkanes is CnH2n+2. What is the general molecular formula for cycloalkanes with two rings
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