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What is the pH of a solution prepared by dissolving 0.10 mol sodium acetate and 0.20 mol of acetic acid in enough water to make 2.0 L? Ka= 1.75 *10^-5
What mass of NaOH is needed to precipitate the Cd2+ ions from 48.0 mL of 0.500 M Cd(NO3)2 solution?
A compound is 40.0 , 6.70 , and 53.3 by mass. Assume that we have a 100.- sample of this compound.The molecular formula mass of this compound is 180 . What are the subscripts in the actual molecular formula?
what Spartan is doing when it performs a geometry optimization (hint: energy minimization) of a molecule and what kinds of structural changes can result.
Ethanol is a common laboratory solvent and has a density of 0.789 g/mL
A tank of oxygen holds 20.0 L of oxygen (O2) at a pressure of 15.0 atm. When the gas is released, it provides 300. L of oxygen. What is the pressure of this same gas at a volume of 300. L and constant temperature
a particular gas exerts a pressure of 785 mmHg. what is this pressure in units of Atmospheres
Draw a Lewis Structure for C3O2. Draw a Lewis Structure for C2H3NO5
As a reaction progresses backwards toward equilibrium K is the highest value Q attains. e) A reaction with no products present has an infinite Q value.
The charges of the ions in an ionic compound affect the strength of the electrostatic attraction holding that compound together. Based on ion charges, rank these ionic compounds by their expected melting points.
If 1.00 mole of HI is put into an evacuated 1.00-liter container at 490 degrees C and allowed to reach equilibrium, how much H2 will be present at equilibrium in the reaction H2(g) + I2(g) 2HI, K=45.9 at 490 degrees C?
Paper pulp produced by kraft/sulphate process is A. bleached easily B. dull white in color C. strong fibrous D. dark colored 2. Claude process of gas liquefaction employs A
How many moles of chloride ions are there?
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