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Explain how long will it take until 100 atoms of this isotope stay put active in the person? (A person accidentally breathes in 8 times 1018 atoms of this isotope). The first order rate constant for decay of the isotope if 0.086625 s-1
The equation looks like this: 100 = (8x1018)(e-.086625t)
Mathematically how to isolate t to get the amount of seconds?
The most important commercial process for generating hydrogen gas is the water-gas shift reaction: CH4(g) + H2O(g) ? CO(g) + 3H2(g) Use tabulated thermodynamic data to find ?G° for this reaction at the standard temperature of 25°C.
What is the ph change of a 0.300 M solution of citric acid (pKa=4.77) if citrate is added to a concentration of 0.130 M with no change in volume
what is a disccussion part for determination of the molar volume of a gas and atomic weight of a metal?
In running column chromatography under the following conditions, you get results that are less than ideal. Consider the situation in each case and suggest a correction.
A thermometer containing 9.5 of mercury has broken. If mercury has a density of 13.6 , what volume spilled?
Sodium bisulfite solution is added to an experiment at the end in order to destroy the unreacted bromine. What reaction is occuring here? Is HSO3- acting as an oxidizing or reducing agent? Write a balanced equation.
What mass (in grams) of solid Na2SO4 would need to be added to 250 grams of water to make an ideal solution with a boiling point of 103.6°C. (Kb for water is 0.512°C/m)
Could someone please help me? What is the equation(s) for what happens when aluminum chloride is hydrolyzed in water. as well as for when acetyl chloride is hydrolyzed in water.
To an open beaker containing 500ml of water at 298k, 20g of sodium metal is added. the reaction proceeds quite rigorously but ultimately comes to rest after consuming all of the sodium metal and thermally reequilibrating with the surroundings. The..
what are the balanced equations for the combustion of salicylicacid c7h6o3 p-nitro benzoicacid c7h5no4 and phthalic
Iron crystallizes with Body Centered Cubic (BCC) structure and a lattice parameter is 2.8664 A. What is its the theoretical density
Combustion of 30.04 g of a compound containing merely carbon, hydrogen and oxygen produces 51.12 g CO2 and 28.45 g H2O. Explain what is the empirical formula of the compound
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