What would be the molarity of a saturated aqueous solution
what would be the molarity of a saturated aqueous solution of nal prepared as 25degree c assuming that the added nal does not add significantly to the volume of the water?
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A 50.0 g silver object is added to 75.5 mL of water contained in a graduated cylinder. The density of silver is 10.5 g/mL. What is the total volume in the graduated cylinder?
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It takes 54.0 to raise the temperature of an 10.0 piece of unknown metal from 13.0 to 24.5. What is the specific heat for the metal?
Determine the effect that increasing the overpontial from 0.50 V to 0.60 V has has on the current density in the electrolysis of a certain electrolyte solution, which is 1.22 mA/cm2 at 0.50 and 25 degrees celcius. take alpha = 0.5
The solubility of KCl in water is 34.0 g KCl/100 g H20 at 20*C. A warm solution containing 50.0 g KCl in 130 g H20 is cooled to 20*C. How many grams of KCl remain dissolved? How many grams came out of solution?
What is meant by the current description of the global economy that "time and distance have been collapsed or compressed"? Do you agree?
A calorimeter contains 32.0 of water at 12.0. When 2.10 of (a substance with a molar mass of 63.0 ) is added, it dissolves via the reaction. Calculate the enthalpy change,for this reaction per mole of X.
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Address the discussion questions below by using your self-appraisal of competency based on the survey in Farzandipour et al. (2021).
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