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Gas phase irridation of 2-pentanone produces acetone and ethylene in about 90% yield along with 10% 1-methylcyclobutanone. Accoutnt for the formation of these three products
A sample of H2O with a mass of 46.0 grams has a temperature of -58.0C. How many joules of energy are necessary to melt 46.0 grams of ice.
After heating, the remaining solid weighed 0.427 g. Assuming all the CaCO3 broke down to CaO and CO2, calculate the mass percent of CaCO3 in the original mixture.
If the concentration of X is increased to 2.0 M and the concentration of Z to 3.0 M, how long should this reaction take?
Yet a generic figure is 1kB per particle. Assuming this figure is exact, what is the molar enthalpy of melting of Argon (in kJ/mol), whose melting temperature is 83.85K?
Predict the sign of delta S for each of the following changes.
Can someone please draw the scheme of Selenium: "A sample is preserved in the field at 4oC. The sample aliquot is oxidized, in acidic persulphate
What is the atomic radius of each atom that composes it If the length of a face centered cubic unit cell is 0.200 nm,?
What is the boiling point (in ?C) of each of the solutions below? For water, Kb = 0.51(?C ? kg)/mol. The vapor pressure of water at 45.0?C is 71.93mm Hg.
Chlorine gas can be produced commercially by passing an electric current through a con- centrated solution of sodium chloride (brine).
In the first 12.0 s of the reaction, 1.8×10-2 moles of O2 is produced in a reaction vessel with a volume of 0.260 L. What is the average rate of the reaction over this time interval?
To treat a burn on your hand, you decide to place an ice cube on the burned skin. The mass of the ice cube is 12.9 g, and its initial temperature is -13.9 °C. The water resulting from the melted ice reaches the temperature of your skin,
Based on the solubility rules, which one of these compounds should be soluble in water?
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