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Propane reacts with oxygen in the air to produce carbon dioxide and water. In a particular experiment, 38.0 grams of carbon dioxide are produced from the reaction of 22.05 grams of propane with excess oxygen. What is the %yield in this reaction?
0.5g KCl was dissolved in 100g water and the solution originally at 200C, froze at - 0.240C. Calculate the percentage ionization of salt. Kf per 1000g of water = 1.86K
Suppose that the microwave radiation has a wavelength of 13.2 cm. How many photons are required to heat 200. mL of coffee from 23°C to 62°C?
A student wrote the reaction scheme below for the grignard synthesis of triphenylmethonal. Explain to the student why this representation of the reaction would not yield the desired product
What mass of chromium(III) oxide would be needed in order to obtain 850 grams of chromium metal
what should be the thickness, in micrometers of the dielectric of an interference filter if it is to isolate radiation having a wave number of 2.8357 x 10^4 cm^-1 in first order. The index of refraction of the material is 1.42. What other waveleng..
Which two starting materials are needed to prepare the following compound
Ben Franklin showed that 1.0 teaspoon of oil (5.0 cm3) can cover the surface of a still lake with area 0.50 acres
Determine the value of the equilibrium constant at this temperature - Ammonium Hydrosulfide NH4HS yields NH3(Ammonia) and Hydrogen sulfide
What is the molarity of NaCl in Sea water if sea water is 15.0% (m/m) and the density of sea water is 1.18 g/mL
You have a 10.40 g mixture of table sugar (C12H22O11) and table salt (NaCl). When this mixture is dissolved in 150. g of water, the freezing point is found to be -2.24°C. Calculate the percent by mass of sugar in the mixture.
Calculate the mass of urea that should be dissolved in 187 g of water at 35C to produce a solution with vapor pressure of 37.7 mmHg
2SO2(g) + O2(g) 2SO3(g) Suppose the volume of this system is compressed to one-half its initial volume and then equilibrium is reestablished.
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