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1. The equilibrium expression for the reaction: 2C(s) + 2H2O(I) ? CH4(g) + CO2(g) is Keq = [CH4][CO2]. 2. If an equilibrium reaction shifts to the right when the system is cooled, this indicates that the reaction is endothermic
What is the Ka of HCOOH? What is the base on the left side of the equilibrium? What is the conjugate base on the right side of the equilibrium?
how many atoms are in a small piece of aluminum foil that has a mass of 0.100 g? the mass of an atom of aluminum is 27.0 amu
A mix of p-methylstyrene, p-methoxystyrene and p-cresol is run using colmn chromatography.
Using the relationship between energy and wavelength (Beer's Law), explain which direction (higher wavelength or lower wavelength) the (max wavlength) will be found for butene compared with that for a butadiene
have the same melting point.How can you determine if they are the same without using any form of spectroscopy? Explain in details.
the ternary compounds called chlorofluorocarbons, or Freons, have proved to be very valuable as refrigerants and as cleaning agents for circuit boards. Unfortunately, in the atmosphere these compounds produce chlorine atoms that catalyze the decom..
A gas-filled balloon having a volume of 2.50 L at 1.2 atm and 25°C is allowed to rise to the stratosphere (about 30 km above the surface of Earth)
Calculate the wavelength of the light emitted when an electron in a hydrogen atom makes each of the following transitions as well as state the region of the electromagnetic spectrum (infrared, visible, ultraviolet, etc.)
E was found to be -2,000.00 kJ/mol of an unknown liquid hydrocarbon at 298 K. In another experiment it was determined that for each mole of hydrocarbon, 5 moles of oxygen gas are consumed
caluclate the molecular mass of the compounds of Caffeine and Epinephrine. Round to the hundredth's place.
An unknown metal hypochlorite salt, M(ClO)2, is subjected to analysis by iodometric titration: the salt is dissolved in dilute sulfuric acid, treated with excess aqueous KI,and then titrated with Na2S2O3. The unknown metal ion(M2+)
According to the law of conservation of mass, what is the mass of oxygen that reacted with the iron. Calculate the number of moles of oxygen in the product.
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