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The equilibrium constant, Kc, for the following reaction is 7.00E-5 at 673 k. Calculate Kp for this reaction at this temperature.
NH4(S) <-> NH3(g) + HI(g)
Kp =
The acceptable limit for mercury in drinking water is 2ppb. Does this correspoond to mercury in its elemental form (Hg) or in its ionic form (Hg^2)
The vapor pressure of liquid Ni is 0.100 torr at 1606 degrees C and 1.00 torr at 1805 degrees C. The molar heat of fusion of Ni is 3.25 kcal/mol. Determine the vapor pressure of solid Ni at 1200 degrees C.
Zn(s) + 2 HCl(aq) → H2(g) + ZnCl2(aq) If 1.26 L of H2 gas are formed at STP, how many g of HCl reacted?
What is the pH of the resulting hydrochloric acid solution? Part B 0.75g of sodium hydroxide (NaOH ) pellets are dissolved in water to make 4.5L of solution. What is the pH of this solution?
What precautions must one take in using internal standard method for analysis of samples in complex matrices
The minimum energy needed to eject an electron from a sodium atom is 4.41 X 10^-19. What is the maximum wavelength of light, in nanometers, that will show a photoelectric effect with sodium?
The sulfur is converted first to SO2, which reacts with oxygen and atmospheric moisture to produce sulfuric acid, H2SO4. If a particular coal contains 0.95% sulfur (by mass), calculate the mass of sulfuric acid produced by burning a metric ton (10..
The highest possible oxidation state for halogens is +7 and the lowest possible is -1. Which of the following could not disproportionate?
An opened can of soda goes "flat" because the partial pressure of carbon dioxide is lower in the atmosphere than in the unopened can. Fish kills may occur in the summertime because an inadequate amount of oxygen is dissolved in the water. A soluti..
The solubility of CO2 in water at 25 degrees celsius and 1 atm is 0.034 mol/L. What is its solubility at a partial pressure in air of 0.00017 atm? Assume that CO2 obeys Henry's Law. Enter your answer in scientific notation.
The average water loss during a triathlon is 1.40 L in one hour. The average time to finish a triathlon is 12.6 hours. How much sweat is lost in m^3?
Lead(II) sulfide reacts with hydrogen peroxide to form lead(II) sulfate and water. How many grams of hydrogen peroxide are needed to react completely with 265 g of lead(II) sulfide?
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