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Phosphorus-32 is used in the form of Na2HPO4 in the treatment of chronic myeloid leukemia, among other things. (a) The isotope decays by beta-particle emission. Write a balanced equation for this process.
how do you find the concentraton of an isotope from its molarity and molecular weight with no other factors
If the walls in a room are 955 square feet in area, and a gallon of paint covers 15 square yards, how many gallons of paint are needed for the room?
A 25.0-mL sample of 1.00 M NH3 is titrated with 0.15 M HCl. What is the pH of the solution after 15.00 mL of acid have been added to the ammonia solution? Kb = 1.8 × 10¯5
What region of the electromagentic spectrum does this belong to, the frequency of this energy and the energy in J/photon and kJ/mole?
Calculate the amount of hydrogen (gmol/min) that needs to be burned in order to completely eliminate the need for addition of heat to the reactor.
Would your calculation of the atomic mass of the metal be too high or too low if your hot metal sample cooled off, unbeknownst to you, while being transferred to the calorimeter?
you dissolve 0.10 moles of this amino acid in 100 mL of water. What volume of 1M HCl or 1M NaOH do you need to add to the soluion to attain a final pH = 8.6?
A solution is prepared by adding 60.0 mL of 0.060 M HBr to 180.0 mL of 0.70 M HI. Calculate the concentrations of all species in this solution. HBr and HI are both considered strong acids
Explain why alcohols such as ethanol and propanol are soluble in water, butanol is moderately soluble and pentanol is slightly soluble
Estimate the change in entropy if fifty kilo joules of energy are transferred reversibly and isothermally as heat to a large block of Cu at zero degree Celsius and seventy degree Celsius?
A solution is prepared by adding 1.10 g of solid NaCl to 50.0 mL of 0.100 M CaCl_2. What is the molarity of chloride ion in the final solution? Assume that the volume of the final solution is 50.0 mL.
A 32.0-g sample of water at 290. K is mixed with 51.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
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