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State the advantage and disadvantage of a furnace compared with a flame in atomic absorption spectroscopy?
A 300.0-mL saturated solution of gold (II) phosphate, contains 0.31 grams of dissolved salt. a. Write an equilibrium expression for the solubility product constant.
You need to make an aqueous solution of 0.180 M sodium sulfate for an experiment in lab, using a 250 mL volumetric flask. How much solid sodium sulfate should you add ?
When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 14.4 g of carbon were burned in the presence of 50.6 g of oxygen, 12.2 g of oxygen remained unreacted. What mass of carbon dioxide was produced
Determine the volume of 6.44*10^-2 M adenosine triphosphate (ATP) that is having 1.68 mol of adenosine triphosphate express your answers in (mL)?
Calculate the equilibrium constant for this overall reaction: CH3COOH(aq) + IO^-(aq) CH3COO^-(aq) + HIO(aq) K=
Write the net ionic equations and calculate the enthalpy of neutralization for the net ionic equations:
A gas is initially at 1.2 atm, 15.0 L, and O°C. What is the final pressure when the same amount of gas is heated to 10°C and the volume changed to 15.0 L
Imagine that a chemist has cyclohexanone, triphenylphosphine, butyllithium, and 2-bromobutane.
Calculate the work for a process which one mole of NH3 gas is expanded from 1.0L to 20.0L in an isothermal reversible process at 300K.
Calculate the expected change in temperature for 1.7 g of NH NO dissolved in 50.0 2 cal mL of H O. Assume that the calorimeter absorbs no heat. (ie. C =0)(Remember to use dimensional analysis
What volume of gold would be equal in mass to a piece of copper with a volume of 140.0 mL? The density of gold is 19.3g/mL; the density of copper is 8.96 g/mL.
If the pH is buffered at 8.2 (as is historically typical for the ocean), what is the molar solubility of CaCO3? F) If the pH is buffered at 7.5, what is the molar solubility of CaCO3?
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