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How much heat is required to convert 35g of ice at -6.0 °C to water vapor at 102 °C? (specific heat of water is ; specific heat of ice is ; specific heat of water vapor is)
Liquid HCN is unstable with respect to trimer formation. What would be the structure of this trimer
a student measures the conductivity of a kno3 solution and determines it to be a strong electrolyte. the student
Calculate the plate height (H) for a 16 cm-long column with a stationary phase particle diameter
What is the molar mass of adrenaline if the Kb = 5.02 degrees Celsius/m?
prepared by dissolving 0.798 g of acetic acid in 500 ml of water solution, what is the osmotic pressure, in mmHg at 25 degrees Celsius?
Show how to perform the following dilution using mathematics and a brief explanation of the preparation procedure. How many mL of a 3M NaOH solution would you need to measure out and dilute to make 3L of a 2.5 M NaOH solution. How many mL of water ..
How many electrons make up one coulomb of charge? (Hint: q = ne.) An object has one million more electrons than protons. What is the net charge of the object?
Determine the pH of each of the following solutions. (a) 0.382 M hypochlorous acid (weak acid with Ka = 3e-08). (b) 0.900 M hypoiodous acid (weak acid with Ka = 2.3e-11). (c) 0.597 M pyridine (weak base with Kb = 1.7e-09).
0.644 grams each of carbon monoxide water and hydrogen are sealed in a 0.987 litres vessel and brought to equilibrium
When a solution of nickel(II) chloride is mixed with a stoichiometric amount of colorless sodium hydroxide solution, a green, gelatinous precipitate forms.
Utilize the Born-Haber cycle as well as data to calculate the lattice energy of. You may require the subsequent data: electron affinity of oxygen, ionization energy of calcium,
A current of 3.0A is passed through an aqueous solution of copper (II) nitrate for about 15 minutes. How many milligrams of copper will be plated out
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