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Write the net ionic equation for the reaction that takes place when the following aqueous solutions are mixed. If you think no reaction occurs, write NR
1.) BaCl2 and Pb(NO3)2
2.) BaSO4 and HCL
3.) HCl+Ba(OH)2
Lactic acid (abbreviated HL) is made into a 0.100 M solution whose pH = 2.44. What is the ka for HL
A nurse administered 3.50 mL of a radioisotope solution that has an activity of 135 Ci/mL. What total dose of the radioisotope did the patient receive
Which of the following are not soluble in water? Remember that the solubility rules apply to ionic compounds, but not necessarily to covalent compounds
A clear container becomes a uniform color after a small amount of colored gas is added. A raindrop falls to earth.
An electron traveling at 3.7 X 10^5 m/sec has an uncertainty in its velocity of 1.88 X 10^5 m/s. What is the uncertainty in its position?
what is the formula for solving the following problem? the specific heat of ti is .523 jgcelcius. what is the final
Give the m/z ratio that correspond to the molecular ion in the mass spectrum of 2-bromobutane
If you have a 0.1M solution of weak acid X (pKa 3.5) and another 0.1M solution of weak acid Y (pKa 4.3), which solution would have the lower pH?
Earth's ocean contain 3.5*10^8 mi^3 of water and cover an area of 1.4*10^8 mi^2. What is the volume of the ocean in cubic kilometers
Water in an enclosed vessel at 17°C contains a concentration of dissolved oxygen of 6 mg/L. At equilibrium, determine the concentration of oxygen in the space above the water in molal fraction. and the total pressure in the vessel. Henry's law con..
What is the overall mass-transfer coefficient for oxygen (O2) from the atmosphere to the river? (b)Which part of the transfer mechanism controls the overall rate
Calculate the molar solubility of Mg(OII)_2 in a solution with a pH of 12.8 (K_op of Mg(OH)^2 is 1.2 * 10^-11
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