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considering the given chemical equation 2H2s(g)=2H2(g)+S2(g) for the equilibrium where given Kc=9.0x10^-8 at the temperature of 700 degree Celsius the initial concentration of the three gases are.3M H2S,.3H2 and .150 S2 you just need to determine the equilibrium concentrations of all these given 3 gases?
One can approximate boiling point at reduced pressure using a pressure-temperature nomograph. What would you expect the observed boiling point to be at 50 torr for a liquid that has a boiling point of 280 degrees celsius at 760 torr
cyclohexane-toluene mixture, and then obtain IR spectra for each fraction. How would the IR spectrum of the first 1 mL fraction look different from that of the last 1 mL fraction?
An unknown liquid with a boiling point of 58 C at 670 mmHg is soluble in water, cyclohexane and alcohol, what's the liquid.
Calculate delta E for the combustion of a gas that releases 195.0 kJ of energy to its surroundings and does 54.5 kJ of work on its surroundings.
how many possible resonance structures can you draw for SO3 without violating the octet rule for S
Give the number of electrons, Protons and neutrons in 24NA and give the electron configuration of the following A: A1 B: F- (- is at the top)
How many moles of BCl3 are needed to produce 25.0 g of HCl(aq) in the following reaction?
A balloon with the volume 40.0cm^3 contains helium gas at STP. What is the number of helium atoms in the balloon
a gaseous mixture of o2 and kr has a density of 1.102 gl at 420 torr and 300. k. what is the mole percent o2 in the
A sample of 0.0020 mole of HCl is dissolved in water to make a 2000mL solution. Calculate the molarity of the HCl solution, the {H3O}, and the pH.
A layer of peat beneath the glacial sediments of the last ice age has a carbon-14/carbon-12 ratio that is 22.0% of that found in living organisms. How long ago was this ice age
The mass of an electron is 9.11 * 10^{-31} kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31*10^{-10}m, how fast is the electron moving relative to the speed of light?
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