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How much concentrated solution would you take to prepare 2.85 of 0.570 by mixing with water? HCl is purchased in 37% mass and has a density of 1.20 g/mL.
A beaker contains 50.0mL of 1.902 M solution of diprotic acid. How many grams of Mg(OH)2 are required to neutralize this solution
Calculate the values of q, w, delta U, and delta H for the reversible adiabatic expansion of 1 mole of a monatomic ideal gas from 5.00 m^3
A 10.00mL aliquot of a weak base is titrated with HCL. The equivalence point is reached after 17.21mL of 0.4332 mol/L HCL has been added. The pH is equal to 10.03 after 5.00mL of HCL was added. Determine
element z has two isotopes: one has mass number of 19.0 amu is 55.0% abundant,and the isotope with mass number 21.0 amu is 45.0% abundant. what is the average atomic mass for element Z?
a mixture of these these gases has a total pressure of 1380 mmhg at 298 k. the mixture is analyzed and is found to
a 309 ml sample of unknown hcl solution reacts completely with na2co3 to form 10.1 g co2. what was the concentration of
How many kilojoules of heat must be provided to convert one gram of liquid water at 67 degrees Celsius into one gram of steam at 100 degrees Celsius?
how much heat in is required to warm 10.0 of ice initially at -11.0 to steam at 111.0? the heat capacity of ice is
How much of 2,4 hexadien-1-ol would you need to react with 98 mg of maleic anhydride in a Diels-Alder Reaction? (Assume a 1:1 molar ratio of maleic anhydride to 2,4 hexadien-1-ol)
what conditions does the rate equation reduce to second-order kinetics in NO and first kinetics in O2
A solution is made by dissolving 4.055 g of FeCl3 in 500 mL of water. The freezing point of this solution is -.316 C. What is the van Hoff factor (i) for FeCl3 at this concentration? (kf for water is 1.86 C/m)
Reaction rate laws are frequently used to investigate reaction mechanisms. Would your results to this experiment be consistent with either or both of the following mechanisms?
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