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consider the reaction in which 410g of Ca(NO3)2 react with just the right amount of magnesium metal in a single replacement reaction. how many grams of lithium are required?
The resulting solution freezes at 26.5 oC. If Kf for the solvent is 1.74 o C/m then determine the molar mass of the nonelectrolyte compound?
The equilibrium concentration of I2 is 0.05M. What is the equilibrium constant Kc for the reaction at this temperture? Express answer in K
If the solution is 40.0% K2CO3 by mass, what is the predicted freezing point of this solution in °C, assuming full ionization.
Draw the enantiomer of proline which would give rise to the absolute stereochemistry and draw a proposed catalytic cycle for the transformation and how does the catalyst activate the substrate
What does a yellow flame in the Bunsen burner indicate? How can this be corrected? Why use a funnel to transfer large volume of liquid from one container to another?
For the isoelectronic series[V(CO)6]-, Cr(CO)6, and [Mn(Co)6]+, does the energy of the metal to ligand charge-transfer bands increase or decrease with increasing charge on the complex? Why?
A flask contains 0.180 of liquid bromine br2, . Determine the number of bromine molecules present in the flask.
Sodium carbonate was used to precipitate silver from a solution. 6.00 grams of silver carbonate were recovered from 1.500L of solution.
3NaHCO3 + H3C6H5O7= 3CO2 + 3H2O + Na3C6H5O7 1g of sodium bicarbonate and 1g citric acid are allowed to react. Find the limiting reagent.
The concentration of Mg2+ in seawater is 0.052 M. At what pH will 77% of the Mg2 be precipitated as the hydroxide salt? [Ksp for Mg(OH)2 = 8.9 10-12.]
A patient weighs 165 pounds and is to receive a drug at a dosage of 45.0 mg per kg of body weight. The drug is supplied as a solution that contains 25.0 mg of drug per mL of solution. How many mL of the drug should the patient receive?
A sample of 255mg of neon occupies 3.00dm3 at 122K. Use the perfect gas law to calculate the pressure of the gas.
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