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How does the collision theory account for the dependance of rate on the concentration of the reactants?
After it reaches steady state, the iron is quickly cooled to room temperature. The carbon concentration at the carbon-rich surface is determined to be 8.415x10^0 at%
Sketch the 1H NMR spectra for all of the isomers of RhH2Cl(PPh3)3. Consider only the hydride hydrogens (directly bonded to rhodium). Assume the following coupling constants
An aqueous solution has a vapor pressure of 80.8mmHg at 50 degrees Celsius . The vapor pressure of pure water at this temperature is 92.6mmHg. What is the concentration of CaCl2 in mass percent
How much acid of 0.5N concentration would be required to fully neutralize an 8.6g sample of sodium stearate
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?
suppose that 1.15 g of rubbing alcohol (C3H8O) evaporates from a 65.0 g aluminum block. If the aluminum block is initially at 25 C, what is the final temperature of the block after the evaporation of the alcohol?
For estimating ozon in the air, a certain volume of air is passed through an acidified or neutral KI solution when oxygen is evovled and iodide is oxidized to give iodine
the enthalpy of fusion of methanol is 3.16 kjmol. how much heat would be absorbed or released upon freezing 25.6 grams
the enzyme acetylcholinesterase,which has a turnover rate of 25,000 s-1. Calculate how long it takes the enzyme to cleave one acetylcholine molecule.
What is the concentration of hydroxide ions in pure water at 30 degrees, if Kw at this temperature is 1.47 x 10^-14
Calculate the pH of 0.099 M phosphoric acid (H3PO4, a triprotic acid). Ka1 = 7.5 x 10-3, Ka2 = 6.2 x 10-8, and Ka3 = 4.8 x 10-13
The saturated vapor pressure of mercury is 0.0020 mmHg at 300 K and the density of air at 300 K is 1.18 g/L. (a) Calculate the concentration of mercury vapor in air in mol/L. (b) What is the number of parts per million (ppm) by mass of mercury in ..
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