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The relative abundances of the stable isotopes of the elements are not entirely constant. For example, in some geology samples (soils and rocks) the ratio of 87Sr to 86Sr is affected by the presence of a radioactive isotope of another element, which slowly undergoes B(beta) decay to produce more 87Sr. What is this other isotope
calculate the molecular weight of Isoamyl acetate with a density of 0.876. Then calculate the theoretical yield of isoamyl acetate in ml, grams and moles. Show all work and calculations.
The value of Ksp for silver carbonate, Ag^2CO^3, is 8.10 X 10^-12 . Calculate the solubility of Ag^2CO^3 in grams per liter.
Derive the relationship that the effective rate constant of the reaction K is the same as (d[P]/dT)/([A][B]) takes the form k= k2 exp(-deltaG/RT) Where deltaG(these deltaG are with double dagger )is the standard free energy difference between the ..
Consider a process carried out on 1.00 mol of a monatomic ideal gas by the following pathway from state A to state B. Pathway
Use of fossil fuels - Should we be burning the raw materials for medicine and polymers? Where will we be in 50 years on this issue?
the volume of 4 cubic meters of gas is kept under constant pressure. its tempeture is increased from a minus 73 degrees celsius to 127 degrees celsius. What is the new volume of the gas?
Determine the mass of snow that can be completely melted - Determine the mass of snow (frozen water) that can be completely melted with the application
Balance each of the half reactions in acidic solution a)Cu(s)>Cu^2+(aq) b)SO4^2-(aq)>SO3^2-(aq) c)BrO3^-(aq)>Br^-(aq) d)IO3^-(aq)>I2(s)
Volume of sample = 90.0 mL. Temperature = 25 C atmospheric pressure = 745 mm equilibrium vapor presssure of water at 25C = 23.8 mm Hg Calculate number of moles of hydrogen gas collected
What values are quoted in handbooks for common hydrates of your cation?
Draw any one of the skeletal structure of a secondary alkyl bromide with a molecular formula C6H13Br and two stereogenic centers.
A. A student places 2.10 L of water in his dormitory room, which has the volume of 4.06 x10^4 L. He seals the room and waits for the water to evaporate. At 25 deg C, the density of water is 0.997 g/mL
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