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The molar solubility of CaF2 at 25C in pure water is 2.1*10^-4M. Calculate the molar solubility of CaF2 at 25C in a solution that is (a) 0.010M Ca(NO3)2 and (b) 0.010M NaF
A proton in a linear accelerator has a de Broglie wavelength of 138 pm. what is the speed of the proton?
How many milliliters of O2 measured at 24C and 757mmHg , are released from solution in the first minute of the reaction? Please find volume
the reaction was found to be first order both with rspect to NO and O3 (expressing concentrations as molarity) What are the units of the rate constant K for this reaction?
aliquot of the HCl solution required 13.98 mL of 0.08485 M potassium permanganate (KMnO4) to reach the purple endpoint. A blank required 0.08 mL. Balance the reaction below and determine the percent WO3 in the ceramic sample.
If 2.50 g of glucose (C6H12O6) are dissolved in 1.00 x 102 mL of solution, calculate the molarity of the glucose solution.
What volume will 454 grams (1 lb) of hydroigen occupy at 1.05 atm and 25 C.
Calculate the concentrations of all species in a 1.10 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1=1.4x10^-2 and Ka2=6.3x10^-8.
The enthalpy change for converting 10.0 g of ice at -25.0°C to water at 80.0°C is __________ kJ. The specific heats of ice, water, and steam are and respectively. For H2O, Hfus = 6.01 kJ/mol, and
A solution is prepared by dissolving 159 g sucrose (C12H22O11) in enough water to produce 1.40 L solution. What is the molarity of this solution?
Many cold packs contain ammonium nitrate and water. The dissolving of ammonium nitrate is endothermic. Which of the following best describes the energy and entropy changes that occur for the ammonium nitrate system
Calculate the equilibrium constant K for the isomerization of glucose-1-phosphate to fructose-6-phosphate at 298K .
draw all three resonance structures for the carbocation intermediate that results from STEP 2 in the electrophilic aromatic substitution reaction when benzoic acid reacts with Br2 in the presence of FeBr3
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