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Why is it important that your distillation apparatus to have a vent to atmospheric pressure and why do you put a boiling chip in your flask before starting your distillation?
Calculate the value of each partition function. c) Use the TST to calculate the rate constant for the reaction D + H2à DH + H
a system conducts 192 cal of heat to the surroundings while delivering 322 cal of work. what is the change in internal energy of the system (in cal)?
A student wants to make a pH 4.0 buffer solution. She decides to use a buffer made from formic acid and sodium formate (NaCOOH).
The initial temperature of the HCl and Ba(OH)2 solutions is the same at 20.48°C. For the process H+(aq) + OH-(aq) H2O(l), the heat of neutralization is -56.2 kJ/mol. What is the final temperature of the mixed solution?
which atom will have the largest atomic radius? Sb, Ba, or F?
Three sparingly soluble salts, MA, MA2, and MA3, all have Ksp = 1.5 x 10-7. Determine which of these three has the highest molar solubility in water? a) MA, b) MA2, c) MA3 ,d) They are all equally insoluble.
The kinetic energy of the ejected electron is given by 1/2 mv2= h v -?. where m and v are the mass and velocity of the electron
A sample of N2O3 contains 1.26 moles of nitrogen. Use the following atomic masses: N =14, O=16.
What volume of 0.25 M HCl solutions must be diluted to prepare 1.00 LK of 0.040 M HCl?
Write the following molecular equation, complete ionic equation, and net ionic equation for the following reactions: a) Potassium iodide and silver nitrate solutions are mixed, forming a precipitate of silver iodide. b) Solutions of potassium carbona..
For each reaction, calculate the mass (in grams) of the product formed when 10.1g of the underlined reactant completely reacts. Assume that there is more than enough of the other reactant.
Consider the following reaction: SO2Cl2 (g) SO2 (g) + Cl2 (g). K = 2.99*10^-7 at 227 degrees celsius. If a reaction mixture initially contains 0.159 , what is the equilibrium concentration.
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