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A particular radioactive isotope of iodine contains 78 neutrons and is utilized for the detection of protein-losing enteropathy and therapeutically in thyroid cancer. In the full atomic symbol for this radioactive iodine what numbers would be written in the left superscript and left subscript positions, respectively?
how many grams of KOH are present in 32.5mL of a 6.42 M KOH solution
In the experiment aniline and acetic anhydride are reacted to form acetanilide, how do you calculate the theoretical yield of acetanilide?
In the pie chart graphs the percent natural abundance fo ci-35 (atomic mass 34.969) is represented as grean, and the percent natural abundance for cl-37 atomic mass 36.966 amu is represented as yellow.
What volume of a 0.1 M ClO- solution reacts stoichiometrically with a 10 mL solution of 0.2 M CrO2-? Use the reaction 2 CrO2- + 3 ClO- --> 2 CrO4-2 + 3 Cl- to assist in the calculation.
tim and a friend left a campsite on a trip down a river in a canoe maintaining a constant speed of 4 miles per hour.
what mass of aspirin can be prepared by reacting 5.00 g if salicylic acid with an excess of acetic
They will dilute the 0.5 M solution to obtain 100 mL of 0.15M solution and dilute the 0.5m solution to obtain 10,000 ppm per mass. What is the molarity, molality, mass fraction and mole fraction
The relationship (if any) of the lattice energy of compounds such as ZnO vs. H3BO3 vs. their respective solubilities. For instance, at neutral pH and standard conditions
A 10.0 g sample of krypton has a temperature of 25°C at 575 mm Hg. What is the volume, in milliliters, of the krypton gas?
a 15.0-ml sample of nacl solution has a mass of 15.78 g. afterthe nacl solution is evaporated to dryness the dry salt
The vapor pressure of liquid mercury is 0.2729 torr at 100.0 oC and 246.80 torr at 300.0 oC. calculate delta H of vaporization of mercury. calculate the normal boiling point of mercury
Calculate the vapor pressure of water, in torr, above a solution prepared by dissolving 60.20 g of PbCl4 in 421.0 g of water at 343.0 K. The vapor pressure of pure water at 343.0 K is 233.7 torr.
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