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Compute the equilibrium concentrations of each ion in the final solution resulting from the mixing of 40.00mL of 0.0450 M MgI2 and 60.00mL of
a) 0.0400 M KOH Ksp Mg(OH)2 = 1.8 x 10-11
b) 0.0500 M AgNO3 Ksp AgI = 8.3 x 10-17
c) 0.0600 M Pb(NO3)2 Ksp PbI2= 7.9 x 10-9
A 27.21 g sample of a substance is initially at 25.4 °C. After absorbing 2591 J of heat, the temperature of the substance is 199.8 °C. What is the specific heat (c) of the substance?
Calculate the equilibrium constant at 298 K for the reaction of ammonia with oxygen to form nitrogen and water. The data refer to 298 K.
a 1.70-g sample of a large biomolecule was dissolved in 14.0 g of carbon tetrachloride. the boiling point of this
what is the vapor pressure at 40 degrees Celcius of a solution containing 4.60*10^2 g of glycerin, C3H8O3, nonvolatile, nonelectrolyte solute, in 4.5*10^2 g of water? The vapor pressure of water at 40 degrees Celcius is 55.3 mmHg
When M2S3(s) is heated in air, it is converted to MO2(s). A 4.500-g sample of M2S3(s) shows a decrease in mass of 0.209 g when it is heated in air. What is the average atomic mass of M.
This was allowed to react under reflux for an hour and then the products seperated. I wrote out a mechanism before lab and ended up predicting 4-chlorobenzoic acid and 4-chlorophenol as my final products.
The first step of the Wittig reaction occurs through what kind of mechanism? A. acid-base B. SN2 C. rearrangement D. nucleophilic acyl substitution
an optically pure compound was diluted to 400.0 mL with water and placed in a polarimeter tube 15.0 cm long. The measured rotation was -2.87° at 25 °C. Calculate the specific rotation of the compound.
What volume of O2 (g) is consumed in the combustion of 75.6L C3H8 (g) if both gases are measured at STP?
Which of the following terms would be used in a description of the mechanism of this reaction: a. tertiary carbanion b. 2-methylpentoxonium ion Torn between the two
write the Nernst equation for the reduction of Fe2O3 (s) according to the reaction listed below, write the equation in terms of pH.
This provides an estimate of the equilibrium concentration of gasoline in contact with the plastic. What percent of the gasoline in the initially full 2 gallon container is lost in a year
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