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The Ksp of calcium hydroxide, Ca(OH)2, is 5.02 × 10-6. Calculate the solubility of this compound in g/L.
At 131 celsius and 769 mmHg, 2.00 L of the gaseous compound weighs 4.44 g. What is the molecular formula for the compound?
What is the absolute error in pKa according to pKa from the mid-point pH value? The true value is given in # (5) (9) What is the relative % error in pKa according to pKa from the mid-point pH value?
Write the balanced equation for neutralization of sulfuric acid and sodium hydroxide. How many mL of a 0.2 M solution of sodium hydroxide would be required to neutralize
For 500 mL of phosphate buffer with 0.5 M of H3PO4 and 0.3 M NaH2PO4 calculate acidic and basic buffer capacity. How much of strong acid should be added to shift buffer pH one unit down, and how much of the strong base is needed
A NiMH battery containing 4.10 g of NiO(OH)was 50% discharged when it was connected to a charger with an output of 1.30 A at 1.3V.
Determine the mL KOH needed at the equivalence point and the ph upon the addition of this volume of KOH.
When ice melts, it absorbs 0.33 kJ per gram. How much ice is required to cool a 13.0 oz drink from 74 degree F to 31 degree F
Draw a separation scheme for isopentyl acetate from its reactants (isopentyl alcohol, glacial acetic acid, and concentrated sulfuric acid)
Trifluoroiodomethane, CF3-I, undergoes free radical addition to alkenes. Explain the fact that the free-radical addition of this compound to 2-methyl-2-butene is faster than its addition to 1-pentene.
A well-insulated rigid tank of volume 0.2 m3 initially contains helium at 70°C and 200 kPa. A valve connected to the tank is opened, and helium is withdrawn slowly until the pressure within the tank drops to p. An electrical resistor inside the ta..
how many miligrams of concentrated sulfuric acid (H2SO4) [having the strength is 18 M], are required to prepare 750 ml of 3.0 M
adding the two portions of water into your calorimeter the temperature of the mixed portions of water to be 45 oC. determine the heat capacity of the calorimeter?
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