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At 760 K, 15% of a sample of cyclopropane changes to propene in 6.8 min. What is the half-life of cyclopropane at 760 K?
Calculate Ecell for the following electrochemical cell at 25 °C Pt(s) | H2(g, 1.00 atm) | H+(aq, 1.00 M) || Pb2+(aq, 0.150 M) | Pb(s) given the following standard reduction potentials.
How many molecules of carbon dioxide are produced when 129 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water.
Water (2290g ) is heated until it just begins to boil. If the water absorbs 4.99×10^5J of heat in the process, what was the initial temperature of the water.
octane has a density of 0.692g/ml at 20C. How many grams of O2 are required to burn 30.5 gal of C8H18
At 10 degrees, Kc = 56.3 for the reaction below. H2 + Cl2 --> HCl
The density of mercury (Hg, a liquid metal) is 13.6 g/mL. What volume would 305.4 grams of mercury occupy
A 29.0-g sample of water at 250. K is mixed with 51.0 g water at 320. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Give an acceptable name and identify the functional group; and
Why is molarity not the best means of stating acid strength? Is molarity the most representative form of quantifying acids and bases?
Explain Vapor Pressure of Ideal Solutions, At 25C the vapor pressures of chloroform and carbon tetrachloride are 26.54 and 15.27 kPa respectively. If the liquids form ideal solutions
If a piece of Calcite (Calcium Carbonate) is put into the lake, would it tend to dissolve? Calcium carbonate solubility is 10^-8.35 M2, and the measured concentration of calcium ion is 0.1mM (millimolar)
60.0 mL portion of of 1.70 M solution is diluted to a volume of 288 mili litres. A 144-mili litres portion of that solution is diluted using 115 mLili litres of H2O. Determine the final concentration.
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