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The solubility of Ag2CO3 in water is 2.58e-4 moles in 2 liters at 25 degrees celcius. What is the value of Ksp for Ag2CO3
would bromine be a more or less effective disinfectant and bleaching agent than chlorine
Five potential structures belonging to point groups Oh,D3h,D6h,D2h and D3d. Sketch geometries that are consistent with the possible point groups?
What did the student do wrong? If the solution had been prepared correctly to the desired 1.0 M concentration, what volume of this stock should be diluted to prepare 100.0 mL of a 1.0 mM working solution?
The student found that 8.67mL of NaOH solution was needed to titrate a 0.0544g sample of the acid to the equivalence point. Calculate the mass of unknown required for a 30.0mL titration.
How much potassium nitrate has to dissolve in water to absorb 118 kj of heat? Lattice E is -163.8kcal/mol and heat of hydration is -155.5 kcal/mol.
What is the molecular weight of the compound? (bpt ccl4 = 76.5 C, Kb = 5.03 C/m)
the specific heat of ethylene glycol is 2.42 J/g-K. How many J of heat are needed to raise the temperature of 62.0 g of ethylene glycol from 13.1 C to 40.5 C ?
Identify the two important classes of catalysts. Analyze the chemical reactions that take place when a biological catalyst combines with a reactant (substrate) to form an unstable intermediate.
What mass of sucrose should be combined with 461g of water to make a solution with an osmotic pressure of 8.80 atm at 280 K
Which of the following is a mechanism by which enzymes assist in formation of a transition state intermediate? a) Preventing interference by water molecules.
potassium hydroxide to a 250 mL volumetric flask. What is the concentration of potassium hydroxide in moles per liter?
The rate constant for the first-order conversion of A to B is 3.33hr-1. How much time will be required for the concentration of A to reach 75% of its original value?
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