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Explain what is the equilibrium concentration of chloride ion (Cl-) in a saturated solution of silver chloride to which silver nitrate (AgNO3) is added until [Ag+] = 0.0001 M? Ksp for AgCl is 3.0X10-10
A gaseous reaction occurs at a constant pressure of 50atm and releases 61.5kJ of heat. Before the reaction, the volume of the system was 7.00L. After the reaction, the volume of the system was 2.60L.
when 0.800 grams of NaOH is dissolved in 100.0 grams of water, the temperature of the solution increases from 25.00 degree to 27.06 degree .
What is the order of stability of these three isomers based on their steric energies. and Why.
equal quantites of the hypothetical strong acid hx weak acid ha and weak base bz are added to seperate beakers of water
A 50 mL sample of 0.5 M HCl is titrated with 0.5 M NaOH. What is the pH of the solution after 28 mL of NaOH have been added to the acid
What is the pH of a buffer solution that is 0.34 M in Na2HPO4 and 0.46 M in KH2PO4. Ka1 = 7.1E-3, Ka2 = 6.3E-8, and Ka3 =4.5E-13.
A KNO3 solution containing 45 g KNO3 per 100 g of water is cooled from 40 degrees C to 0 degrees C. What happens during cooling
2 Al2O3(s) → 4 Al(s) + 3 O2(g) . ?H = +3339.6 kJ/mol What is ?H for the formation of one mole of Al2O3(s) from the elements?
for the decomposition of 2-propanol to form propanone andhydrogench32choh g lt---gt ch32co g h2gthe equilibrium
If the mass of a rectangular slab of aluminum oxide of dimensions 2.5cm X 3.0cm X 4.0cm is 102g. Explain what is the density of the aluminum oxide
24.3 g of magnesium yield 40.3 g MgO upon combustion with oxygen. How much magnesium needs to be burned to yield 12.1 g MgO
The acid forms two ions, HC2O4- and C2O42-, by the sequential loss of H+ ins. Draw lewis structures for the three species and comment on the relative lengths and strengths of their carbon-oxygen bonds.
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