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Depict the Lewis structures for calcium carbonate as well as magnesium hydroxide. Set charges on the individual atoms according to their formal charges. Overlook resonance. Include all nonbonding electrons.
What external pressures have moved mainstream medicine to accept alternative therapies? Have any alternative therapies been proven to work as well as standard treatments? Support your answer with information from the reading materials and/or inter..
Cryolite (Na3AlF6) is an indispensable component in the electrochemical manufacture of aluminum. draw a lewis structure for AlF6 3- ion.
the solubility product for a sparingly soluble transition metalsalt m2x equals 3.80e-19. the formation constant for
a student heated a .546 gram pure chemical in an atmosphere of oxygen gas until it had completely reacted the final chrominum compound weighed .798 grams what is the empirical formula of this compound?
Find the ?H for the reaction below, given the following reactions and subsequent ?H values: H2SO4(l) ? SO3(g) + H2O(g)
How will you prepare the following solutions from 6.0 M solutions of acetic acid and ammonia. Give exact details. Assume that a 10-mL graduated cylinder.
what is the theoretical yield of nitrogen in grams from part (a)? c) if the actual yield of nitrogen in the reaction in part (a) is 30.3g calculate the percent yield.
assume you have one hydrogen molecule in a 1.00 l flask at room temperature. calculate the average energy of the h2
A student makes a voltaic cell using zinc solid metal, zinc chloride, tin solid metal and tin chloride, and of course a salt bridge filled with KCl. What voltage would you expect from this cell at room temperature and 1M solutions
?Hf0 for the formation of rust (Fe2O3) is -826 kJ/mol. How much energy is involved in the formation of 5 grams of rust.
If and electron makes a transition from n=2 to n=1, what will be the wavelength of the emitted radiation
Starting with Hamilton's equation of motion for classical mechanics, p^2/(2m) + V=E , obtain Newton's equation of motion, F= ma.
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