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A proton in a magnetic field has two spin states, one aligned with the field B and the other anti aligned. the energies of these spin states are E down=hyB/2 and E up =-hyB/2, where y=26.8*10^7 (Tesla)^-1.
Calculate the effective radiation dosage (in Sieverts) for a 85-kg person who is exposed to 7.3 × 109 particles of alpha radiation. Assume that 85% of the radiation is absorbed,
What are some main differences between size exclusion and ion exchange chromatography and what are their levels of sensitivity or detection
Indicators can be used to estimate the pH value of soultions. To determine the pH of a 0.01M weak acid (HX), a few drops of three different indicators are added to separate portions of HX. The resulting colors of the HX solution are below.
1.0 mL of a 3.60 x 10^-4 M solution of oleic acid is diluted with 9.00 mL of petroleum ether, forming solution A. Then 2.00 mL of solution A is diluted with 8.00 mL of petroleum ether, forming solution B. How many grams of oleic acid are 5.00 mL o..
hydrogen sulfide is composed of two elements hydrogen and sulfur. in an experiment 6.100g of hydrogen sulfide is fully
if you lived in the mountains where the atmospheric pressure is 685 mm Hg, what would the partial pressure of oxygen and of nitrogen be ?
Use tabulated thermodynamic data to calculate ?S° for the reaction: PbO2(s) + 2Ni(s) ? Pb(s) + 2NiO(s)
A 750-mL sample of hydrogen exerts a pressure of 822 torr at 325 K. What pressure does it exert if the temperature is raised to 475 K at constant volume
An aerosol spray can with a volume of 250 mL contains 2.30 g of propane gas C3H8 as a propellant. If the can is at 25deg C, what is the pressure in the can
calculate the maximum number of moles and mass of iodic acid hio3 that can form when658 g iodine trichloride reacts
Mandy is walking at a speed of 1.47 m/s directly toward one siren and directly away from another siren when they both begin to sound with a frequency of 700 Hz. What beat frequency does Mandy hear
What is the molarity of sucrose, C12H22O11, that contains 125 g of sucrosein 3.50L of solution?
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