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At 800 k, Kc for the following equalibrium is 4.2 x 10 ^-3. 2HgO(s) <--> 2Hg(l) + O2(g), suppose 96.5 g of mercury(ll) oxide is placed in a sealed 3.50 vessel at 800 k. What is the partial pressure of oxygen gas at equalibrium?( R=0.0821 L(atm)/K(mol)
calculate the molarity of 52.56 grams of al2so43 in 1.80 l of
To resolve an object in an electron microscope, the wavelength of the electrons must be close to the diameter of the object. What kinetic energy must the electrons have in order to resolve a protein molecule
what's the molar solubility (mol/L) of Cr(OH)3 at pH=10.00 (not buffered)? Ksp for Cr(OH)3 is 3.0E-29
How many degrees of unsaturation are there in a molecule with the molecular formula C10H14O
if copper has a photoelectric threshold wavelength of 279 nm calculate the velocity ms of the electron emitted when
A saturated solution of lead iodate in pure water has a lead ion concentration of 4.0 x 10¯5 mole per liter at 25 °C
A water chemist obtained a 250-mL sample from a nearby lake and fixed the oxygen on-site wth alkaline solutions of MnS04 and Kl-NaN3-. returning to the labrotary, a 200-mL sample was analyzed by acidifying the sample
Consider a liquid with a vapor pressure of 320. torr at 20.0 degrees C and a vapor pressure of 540. torr at 50.0 degress C. What is the normal boiling point of this liquid?
The kinetics of decomposition of dinitrogen pentaoxide is studied at 50 degrees C and at 75 degrees C. Which of the following statements concerning the studies is correct
n2 react with hydrogen gas to form nh3 if 14.01 g sample of n2 react with 4.07g of h2 determine how many of nh3 is
Can you please show me how to solve this. I do not need just a numerical answer! Thank you! A solution containing HNO2 has pH=3.40 at equilibrium. Calculate the amount of HNO2 present in 575ml of this solution Ka=4.0x10exp-4
If you used 0.165 mL of acetic anhydride, and 0.167 g of p-aminophenol. How many moles of the non-limiting reageant remained after the reaction was complete?
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