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A solution is prepared with initial concentrations of .038 M AL^3+ and .29 M NaF. If the Kf for AlF6^3- is 7.0 * 10^19, what is the concentration of Al^3+ (aq) at equilibrium?
Determine the amount of heat produced when 100 g of CH4 combust, CH4 + 2O2 yields CO2 + 2H2O + 1063kJ
If a sample of 6.022 g of CH4 is enclosed in a 30 L container at 402 K. What is its pressure in atmospheres?The volume is reduced to 12 L at constant temperature. What is the new pressure in atmospheres.
Assume that the specific heat and density of the resulting solution are equal to those of water [4.18 rm J/(g cdot {^circ C}) and 1.00 rm g/mL] and that no heat is lost to the calorimeter itself, nor to the surroundings.
If you added 75ml of a 0.555M solution of NaCl to enough water to produce 950 ml of solution, what would be the resulting molarity?
If the temperature and pressure are kept constant during the process, how many liters of chlorine must be with titanium to produce
how many megajoules of energy in the form of heat can be produced per year (365 days) by the heater
How is the mass in amu of one atom of an element related to the mass in grams of one mole of the element?
What each test reveals about an unknown halide ion? Suggest another test which would confirm that identity. 1.Addition of Cl2 and CH2Cl2 to an aqueous solution of an unknown halide ion led to a dark CH2Cl2 layer.
The difference between these forces is why some solids dissolve by an exothermic reaction (release heat), while other solids absorb heat and cool the solution. For an ionic solid dissolving in water, briefly identify the attractive
Estimate the change in entropy if fifty kilo joules of energy are transferred reversibly and isothermally as heat to a large block of Cu at zero degree Celsius and seventy degree Celsius?
Empirical and Molecular Formulae, The analysis of an organic compound produces the following elemental analysis: % C is 59.999% and % H is 4.476%.
Calculate the counts s-1 which should be observed by a detector of 2 cm2 area placed 300 cm from a sample of l2 containing 2 millicuries of 128l.
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