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Explain what is the qty of heat evolved when 200 g H2O (liq) is formed from the combustion of H2 (g) and O2 (g)?Given H2 (g) + 1/2 O2 (g) --> H2O(liq) Change in H degrees = -285.8 kJ
Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..
In 1911, Hans Geiger and Ernest Marsden (working under Ernest Rutherford) conducted an experiment involving alpha particles and gold foil that led to the discovery of the nucleus in atoms.
what are the freezing point and boiling point of an aqueous solution of 15.5g glucose (c6h12o6) dissolved in 150 g of water?
What is the molar volume of the oxygen gas at the conditions in the laboratory?
considering the following two nuclear processes which produce isotopes useful for medical
The rate is measured at 300 K. To what temperature must the reaction be raised to double the rate? a) 310k b)333k c)353k d)363k e)373k f)412k
write the chemical equation for the autoionization of water. write the equilibrium constant expression for this
a solid is known to be insoluble in hexane. a chunk of the solid weighing 12.59g was placed into a graduated cylinder
How many molecular orbitals are present in the valence band of a sodium crystal with a mass of 5.90g?
Burns cause by steam at 100 degrees can be more severe than those caused by water same temperature because steam contains more heat than water
The half-life for the reactant A in the first order reaction A ® B is 36.2 seconds. What is the rate constant for this reaction at the same temperature
write the Nernst equation for the reduction of Fe2O3 (s) according to the reaction listed below, write the equation in terms of pH.
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