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When 0.340 mol of butane, C4H10, are burned with excess oxygen giving CO2 and H2O, how many moles of oxygen are consumed?A. 0.340B. 0.0523C. 13.0D. 2.21E. 6.50
Calculate the energy of a photon of electromagnetic radiation at each of the following frequencies with 4sigfig
A solution is made by mixing 52.1 g of propyl chloride, C3H7Cl, and 38.4 g of propyl bromide, C3H7Br. What is the vapor pressure of propyl chloride in the solution at 25°C? The vapor pressure of pure propyl chloride is 347 torr at 25°C
Determine the order of the decomposition reaction N2O5 by using the initial rate date in the table below: Experiment N2O5(g)(M) Initial rate (M/s) 1 .150 .0000860 2 .300 .000688
sodium hydroxide reacts with sulfuric acid to produce sodium sulfate and water. how many grams of sodium hydroxide are
According to Hund's Rule, how many unpaired electrons are in the valence shell of element 10?
a) decreasing the volume of a gas b) melting a solid c) chemical reactions that increase the number of moles of gas d) forming mixtures from pure substances e)increasing the temperature of a gas
The difference between the transition state and the energy of the products. C. The difference between the energy of the products and the energy of the reactants. D. Undefined because it depends on whether the reaction is endothermic or exothermic.
the total pressure of the system is found to be 4.50 atm At 700 degrees celsius. compute the equilibrium partial pressures of carbon dioxide and carbon monoxide if the equilbrium constant Kp = 1.52,
Balance each of the following neutralization reactions. Express your answer as a chemical equation. Identify all of the phases in answer.
Glyoxyl, used in textiles; maleic acid, used to retard oxidation of fats and oils; and acontic acid, a plasticizer, all have the same empirical formula, CHO
Explain Oxidation of Elements and Their Reactions, Which element is oxidized and which element is reduced in each of the following reactions?
Hemoglobin, a nonelctrolyte is an iron containing protein found in red blood cells. The osmotic pressure of 25.0 mL of an aq. soln containing 0.658 g of hemoglobin is 9.88x10^-3 atm at 25.0 *C. Determine the molar mass of hemoglobin
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