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A 14.0g sample of an unknown gas occupies 10.8L at a temperature of 30 degrees celsius and a pressure of 750mmHg.What is the molar mass of the gas?
Calculate the proton motive force across the inner mitochondrial membrane a 25 degrees C when theelectrical difference is -0.18 V (inside negative), pH outside us 6.7, and pH inside is 7.5.
PbO + NaCl + H2O ---> Pb(OH)Cl + NaOH How many grams of PbO and how many grams of NaCl would be required to produce 10.0g of Pb(OH)Cl? a) Mass of PbO required = ? b) Mass of NaCl required = ?
Identify the orbitals to which a 4d electron may make an emission transition in the hydrogen atom and determine the dissociation energy of the molecule
What is the difference between alpha-glucose and beta-glucose? and show the condensation of two glucose molecules to form a disaccharide with an alpha linkage; with a beta linkage.
state the radial wave function and radial distribution function of the 3s and 3p states of the hydrogen atom.plot
The densities of methanol and water at this temperature are 0.782 g/mL and 1.00 g/mL, respectively. For this solution, calculate each of the following: molarity, molality, percent by mass, mol fraction, and mol percent.
A solution is prepared by dissolving 0.16mol of acetic acid and 0.16mol of ammonium chloride in enough water to make 1.0 L of solution.
If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.434 grams of iron and 12.2 mL of 0.52M copper(II) sulfate react to form as much product as possible.
When the flask is allowed to cool the vapor condenses and aire again refulls the flask. Re weighing the flask and figure out the the wight of the unknown vapor which filled the flask during the boiling. Explain why it is not necessary to know the w..
For each of the following pairs of substance, predict which member of the pair will have the higher melting point, and explain why. a) NaCl and Cl2 b) SiO2 and CO2 c) Cu and CO d) NaF and MgO e) Na2) and SiC f) HCl and HF g) Ar and NO
a gas has a volume of 800.0 ml at minus 23.00 degc and 300.0 torr. what would the volume of the gas be at 227.0 degc
Given total pressure and equilibrium constant, calculate equilibrium partial pressure, The heterogeneous equilibrium process
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