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Question- How long would it take to deposit 1.36g of copper (Cu) from an aqueous solution of Cu(II) sulfate by passing a current of two amperes through the solution? Atomic mass of Cu is 63.546.
Thank you! My final is tomorrow and I am in desperate need! Illustrate all work I am confused too.
Imagine that you model your lungs as a 5 L sealed balloon at sea level: Estimate the volume of your lungs at 100 m below the sea level.
All possible reactions between planned reagents that could lead to buffer solution by fractional neutralization. Look up the suitable equilibrium constants and find out the central pH of each possible buffer.
The molar heat of reaction, H rxn, for the reaction of Ca(s) + 2H+(aq) Ca2+(aq) + H2(g)
The two molecules have the same molecular geometry but different electron pair geometries. The two molecules have different electron pair geometries. The two molecules have the same electron pair geometry but different molecular geometries.
Problem- A mixture of three gases has a total pressure of 1380 mmHg at 298 K. The mixture is analyzed and is found to contain 1.27 mol CO 2, 3.04 mol CO, and 1.50 mol Ar. 1) What is the partial pressure of Ar
the rate constant for a certain reaction is 5.80times10-3 . if the initial reactant concentration was 0.350 what will
From each pair below, select the molecule that will display stronger intermolecular dipole-dipole forces in a sample of the pure substance.
Methanol, CH3OH, is a nonelectrolyte; acetic acid, HC2H3O2, is a weak electrolyte; and ammonium chloride, NH4Cl, is a strong electrolyte. What are the solute particles present in aqueous solutions of each compound? (Select all that apply.)
The compound lead acetate is a strong electrolyte. Write the reaction when lead acetate is put into water: Make sure to include positive or negative and whether or not each one is (s) (l) or (aq)
the substance B. Both are liquids at room temperature. Which of the statements are true for these liquids under the same conditions of temperature and pressure?
The density of 70.5 weight% aqueous perchloric acid is 1.67 g/ml. Recall that grams refers to grams of solution (=g HClO4+g H2O). How many grams of HCIO4 are in 1 Liter
Using the equation Fe2O3+2Al-->2Fe+Al2O3, how many grams of Al are needed to completely react with 135 g Fe2O3
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