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Lead(II) phosphate, Pb3(PO4)2 (s), is allowed to come to equilibrium with its ions in otherwise pure water. Ksp = 3.0 x 10^44. Calculate the equilibrium concentration of each ion.
if 489 mg gas occupies 249 mL at 80 degrees celcius and 745 mmHg of pressure, what is the molar mass of the gas.
Please rank the following aromatic compounds in order of their reactivity in electrophilic aromatic substitution: anisole, nitrobenzene, acetophenone, toluene, benzene. Briefly explain your answer.
The Instructor recently had his car inspected by the KWIK Stocker State Inspection at Webster, Texas. The table below shows part of the Emission Test Results.
A polyamide was prepared by bulk polymerization of hexamethylene diamine (9.22 g) with adipic acid (11.68 g) at 280 degrees C. Analysis of the whole reaction product showed that it contained 2.6 x 10-3 mol of carboxylic acid groups.
Ethanol (molar mass = 46 g/mol) can be dehydrated to yield ethene (molar mass = 28 g/mol) by heating it with an excess of concentrated sulfuric acid (acting as a catalyst).
When Sulfuric acid is a component of polluted air, it chemically attacks statues, memorials, and monuments made from limestone. Given that the most common mineral in limestone is calcium crabonate
Define partial molar quantity and hence write an expression for a thermodynamic quantity in terms of its partial molar values. Two liquids A and B with molar masses of 18g mol-1 and 46 g mol-1, respectively are mixed to give a solution in which th..
What is an indicator and explain how it is used in titration. Enumerate the criteria in choosing the indicator for a specific titration.
the best means of personal protection from radiation for emergency responders is the implementation of three basic
Propane, C3H8, is widely used in liquid form as a fuel for barbecue grills and camp stoves. Given 97.5 g propane, calculate the mass (grams) of carbon it contains.
The enthalpy for combustion of benzene (C6H6) is -3270 KJ/mole. How much heat is release on the combustion
What is the mass percent of MgO in the mixture? Assume that only the MgO reacts with CO2.
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