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Define what is the Hrxn° for the reaction of an aqueous solution of lead(II) chloride with an aqueous sodium sulfate solution to make a precipitate of lead(II) sulfate Hrxn°= in kJ.
Explain what is the H° for the precipitation of 337.1 g of strontium sulfate from aqueous solutions of strontium chloride and sodium sulfate? Report your answer in kJ.
1. which two of the following are able to be calculated based on the data provided.amplitude wavelength or frequency.2.
If 10.00 mL of 0.050 M KI solution is mixed with 40.0mL of other reagents what would be the the diluted concentration of KI
The lab was where we had to carry out aldol condensation to prepare benzalacetophenones using C7H5OCl and acetophenone. The result was 4-chlorobenzaldehyde
Assume that a reaction takes place at 296 K and 306 K. What must the activation energy be for the rate constant to double as described.
The enthalpy of solution for a solid with approximately equal delta h values for each of the steps involved in the solution formation process is
Benzene has a heat of vaporization of 30.72 kJ/mol and a normal boiling point of 80.1 degrees Celsius. At what temperature does benzene boil when the external pressure is 460 torr
calculate the final pressure of a sample of carbon dioxide gamma1.40 that udergoes a reversible and adiabatic expansion
The vapor pressure of water at 26 degrees C is 25.209 mmHg. How many moles of gas were collected?
There are 86,472 houses in the county and the county occupies a space totaling 475 square miles. How many square miles of housing are present in Chem county?
Under a particular set of conditions a particular compound decomposes by a first order process. If, during an experiment under these conditions, 75.0% of the compound remains after 60.0 minutes, what is the half-life of the compound
If 15 amino acids were linked together by condensation and elimination of water, how many water molecules would be lost and how many new peptide bonds would be formed.
Decide whether or not each of the following metals dissolves in 1 {rm M} {rm HCl}. For these metals that do dissolve, write a balanced redox reaction showing what happens when the metal dissolves.
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