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What is the electronic configuration of Fe and Fe +2 ? Give a brief explanation.
A 40.0 mL sample of 0.150 M Ba(OH)2 is titrated with 0.400 M HNO3. Calculate the pH after the addition of the following volumes of acid.
Use the results of your calc. in analysis and int. item 2 and the mole ratio from equation in analy. And int. item 3 to determine the moles of vinegar.
if the pressure during the reaction stays CONSTAT (put the valune can change, like in a piston balloon which of these reactions do work on the surroundings
if a 100.0 g sample of water at 60.0 degreesc is added to a 100.0 g sample of water at 10.0 degrees c determine the
All the following are postulates of the kinetic molecular theory of gases except A) the collisions between molecules are elastic. B) the gas molecules move randomly in straight lines in all directions.
Some students observe a low-boiling fraction around 40 degrees C during the simple distillation of producing t-amyl chloride from t-amyl alcohol via a unimolecular nucleophilic substitution reaction.
Assuming that the rate of a chemical reaction doubles for every 10 celcius temperature increase, by which factor would a chemical reaction increase if the temperature were increased from
Hydrochloric acid is an important commercial acid. Hydrochloric acid reacts with ammonium hydroxide forming ammonium chloride. (i) Write the acid base chemical equation for above reaction.
A piece of metal weighing 5.10g at a temperature of 48.6 degree Celsius was placed in a calorimeter into a 20.0o mL of water at 22.1 degree celsius, and the final equilibrium temperature was found to be 29.9 degree celsius. What is the specific he..
a student carried out a simple distillation of toluene for purification. gas chromatography analysis indicated the
waters heat of fusion is 80 calg and is specific heat is 1.0 calg degree celcius. some velmobile set have been designed
Which of the following molecules do you think would be subject to the Pauli principle's effects on rotational levels
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