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How does increasing the concentration of a nonvolatile solute in water affect the following properties:
Vapor pressure: DecreasesFreezing point: DecreaseBoiling point: IncreasesOsmotic pressure:
Which has the larger hydration energy, AL+3 or Li+ (Both ions are about the same size)
In covalent bond formation, electron sharing occurs between elements with relatively low EA and low IE. Please explain the answer as well.
What is the concentration of in mass percent? An aqueous solution has a vapor pressure of 81.9 at 50 . The vapor pressure of pure water at this temperature is 92.6.
A solution is prepared by adding 80.0 mL of 0.090 M HBr to 130.0 mL of 0.50 M HI. Calculate the concentrations of all species in this solution. HBr and HI are both considered strong acids.
You will titrate a boric acid solution that has absorbed the ammonia from a soil sample. It is not necessary to know the exact volume or concentration of the boric acid. Explain why not
Arsenic Acid (H3AsO4) has Ka values of 2.5*10^-4, 5.6*10^-8, and 3*10^-13. What is the concentration of the HAsO42- dianion in a solution
Discribe how to prepare this solutions show all work and calcualtion? a) 50mL of asolution containing 0.15M malonic acid [CH2(COOH)2 plus 0.02 manganese sulfate [ MnSO4] b) 100 mL of 0.08M sulfuric acid [H2SO4] from 18 M concnentrated sulfuric aci..
how many grams of sucrose c12h22o11 must be added to 500.0 g of water at 100 degc to change the vapor pressure to 752
A 0.1293 g sample of solid magnesium is burned in a constant-volume bomb calorimeter that has a heat capacity of 1769 J/°C. The calorimeter contains exactly 261 g of water, and the temperature increases by 1.126°C. Calculate the heat given off by ..
which is known to change the activation energy of the process by 1.5 kJ. What will the rate of the reaction be with the catalyst when [A] = 0.0757 M at 315 K? Assume that the Arrhenius factor for this reaction has been determined to be 0.673 s-1.
Determine the pH at the following volumes of titrat added: A.0.00mL B. 5.00 mL C. 10.00 mL D. 15.00 mL E. 20.00 mL F. 25.00 mL, Identify the amphoteric substance in this process.
when 56.0 g calcium and 34.7 g nitrogen gas undergo a reaction that has a 88.0 yield what mass of calcium nitride
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