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The following solutions were mixed together: 50.0mL of a 0.761M FeSO4 and 20.0mL of a 1.05M K2Cr2O7 (in dilute sulfuric acid). What is the molar concentration of Cr+3 ions in the resulting solution?
At least how many standard solutions would you need to make a calibration graph, assuming that the graph is expected to be a straight line
calculate the heat of fusion of ice if you had 15 grams of warm water at 40 degrees celsius in a styrofoam cup and you
Calculate the molar solubility of CaF2 at 25C in a solution that is (a) 0.010M Ca(NO3)2 and (b) 0.010M NaF
What will happen to the retention time if the temperature of the column is increased. Calculate the following peak areas from your GC chromatogram.
water has a molar heat of vaporization 40.79 kjmoldetermine how many grams of water could be vaporized by 0.806 kilo
Calculate the number of ATPs generated from the metabolic oxidation of the four carbons of acetoacetyl-CoA to CO2. Now consider the homolog derived from oxidation of an odd numbered carbon chain
For the reaction Fe(OH)2(s)+H2O2(aq) -> Fe(OH)3(s), the reduction reaction is H2O2 -> 3OH-. The book states that the O2 from the H2O2 has a -1 charge and the OH from the Fe(OH)3 is -2.
distance between two consecutive peaks or troughs. frequency number of waves per second that pass through a given
calculate the heat given off when 177 g of copper cools from 155.0 celsius to 23.0 celsius. the specific heat capacity
After equilibrium was established, which of the ions listed below was present in the greatest concentration?A) H2C6H5O7^-
convert your answer from part a to an equivalent in megatons of tnt the unit used for nuclear bombs. comment on the
A solution containing iodide ions has a percent transmittance reading of 72.3%. what is the molarity of the iodide ion in this solution
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