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Explain, perhaps with the use of drawings, why the 0.2 mL correction for the use of an inverted cylinder is subtracted from (not added to) the measured volume readings.
at 520 degrees celius the equlibruim mixture in a three cubic decimeter container consists of 0.2 moles of h2 and 0.2 mole i2 , if the equlibrium contant is o.016, calculate the concentration of hyrdogen iodide at equlibrium HI.
the final temperature of the cu? I tried to use Q=MS(delta)T and solve for the tinal temp instead of the change in temp but kept getting 45°c.
the enthalpy of fusion of methanol ch3oh is 3.16 kjmol. how much heat would be absorbed or released upon freezing 25.6
The standard state of carbon is solid graphite. Use the appropriate standard heats of formation given in Appendix II in the textbook to find the average bond energy of the C=O in CO2.
Draw a separation scheme for isopentyl acetate from its reactants (isopentyl alcohol, glacial acetic acid, and concentrated sulfuric acid)
how many ml of 0.10 molar hcl would have to be added to 100ml of a saturated soln of pbcl2 in contact with 50.0 grams
Calculate the enthalpy of the reaction: 2NO(g) + O2(g) --> 2NO2(g) given the following reactions and enthalpies of formation:
Write the net ionic equation for the interaction of an ion with water. Explain why the salt solution is acidic, basic or neutral? NaC2H3O2 Na+ + H2O -> and C2H3O2 + H2O ->
A buffer contains equal amounts of a weak acid and its conjugate base and has a pH of 5.25. Which of the following values would be reasonable to expect for the pH after addition of a small amount of HCl
How many grams of ammonia can be produced ? How much of the excess reactant is left over?
What are the RATE LAW and k VALUE (with units) for the reaction? Assume conc. in moles per liter T or F. Feezer burn involves solid water conversion to vapor then back again.
solid NaI is slowly added to a solution that is 0.010 M in Cu+ and 0.010 M in Ag+. which compound will begin to precipitate first?
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