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You have a radiocarbon sample analyzed and find out that the sample has 60% of the modern level of radiocarbon. Calculate the radiocarbon age of the sample using (a) an assumed 5730-year half-life and (b) a 5568-year half-life.
Dalton law of partial pressure - The partial pressure of oxygen is maintained at 0.20 atm at this depth
Calculate the number of grams of H2 formed If the wet Hydrogen gas formed occupies a volume of 9.67 Litres
What is the smallest possible integer coefficient of S in the combined balanced equation and compute the final pressure in the tank if nothing else is altered in the surroundings.
At 25 degree celcius ,the second order reaction NOCL(g) - NO (g) + 1/2 CL2 (g) is 50 % complete after 5.82 hours when the initial concentration of Nitrosyl chloride is 4.46 ml/L.what time will it take for the reaction to be 75 % complete.
Compute the mass of Trisodium phosphate required to remove all Ca^2+ ions from 2.50 Litres of the H 2 O sample?
Normally the alkaline earth carbonates (MCO3; M = Mg^2+, Ca^+2, Sr^+2, Ba+2) are insoluble in water. Why would the method used in this experiment work for calculating the molar mass of the alkaline earth? How would the calculations have to be cha..
Write down a net ionic equation for any reaction that forms a precipitate and discover the anions that make gas upon adding of hydrochloric acid
Determine the molecular formula of the compound with molar mass 336.5g mol-1 and empirical formula C 5 H 8 O?
Differ from the ideal pressure? The value For N 2 gas is given as , a = 1.390 L2atm/mol2 and b = 3.910E-2 L/mol.
Calculate What will be the volume of this gas sample at standard atmospheric pressure and
A multiple stage evaporate process concentrates a weak solution of LiOH from 4.48 wt% to 26.78wt%. This evaporator processes 10 metric tonnes of solution each day.
Determine how much time (in seconds) is needed to form 150. g Na from a sodium chloride melt by a 25 Ampere current?
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