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What minimum mass of succimer (in ) is needed to bind all of the lead in a patient's bloodstream? Assume that patient blood lead levels are 55 , that total blood volume is 5.0 , and that one mole of succimer binds one mole of lead.
A sample of oxygen gas has a volume of 387 mL at a temperature of 15.3 C What temperature (in C) is required to change the volume to 439 mL under constant pressure
ammonia nh3 with kb 1.8 x 1005 is added to 100 ml of waterat room temperature and the vapor pressure of water above
Mg + 2HCl --> MgCl2 + H2 For a mass of 0.013 g Mg and 5.0 mL of 1.00 M HCl, in a flask with V = 140.612 mL at 23.5?C. Calculate the initial and final pressure (atm).
Petane and 1-butanol are organic liquids with similar molecular masses but sunstantially different solubility behavior. Which of the two would you expect to be more soluble in water
The vapor pressure of water is 439 mm Hg at 358 K, and the enthalpy of vaporization is 40.7 kj/mol.
Nitrogen dioxide and water react to produce nitric acid HNO3 and nitrogen monoxide. 3NO2(g) + H2O(l) --> @HNO3(aq) + NO(g)
A 31 L tank contains a gas under a pressure of 617 atm. What volume would the gas occupy at the same temperature at 900 torr of pressure? Answer in units of L.
Finding Number of Atoms in a Molecule from Molecular Weight, As determined from the gas law, the molecular weight of a substance is eight times the atomic weight
What is wrong with measuring the voltage of cell containing only one solute component on each side (Fe[II] of a given molality on one side and Fe [III] with the same molality on the other)
A buffer is prepared by combining 25 mL of .50 M NH3(aq) with 25 mL of .20 M HCl. What is the pH of the buffer? (Ka(NH4^+)=5.6 x 10^-10)
A mixture of CO2 and N2 gases has an experiment density of 21922 mol/m3 at T=225K and Pressure= 68.759 MPa and Z=1.67661. What is density of this mixture of gases in mol/m3 by Peng-Robinson equation of state? (Mole fraction of Co2= 10.56%)
Draw a Lewis structure for each of the following molecules and determine its molecular geometry. What kind of intermolecular forces are present in each substance?
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