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Problem- A wooden boat discovered just south of the Great Pyramid in Egypt has a carbon-14/carbon-12 ratio that is 71.5% of that found in living organisms
Solve the above problem in detail no word count
Problem- If gasoline (assume octane) is completely consumed in 1 millisecond at 2000K and 1 atm, its (average) rate of combustion in air exceeds 10^3 mol/m^3/sec.
What is the oxidizing agent, the reducing agent, and the substances being reduced and oxidized for the following Redox Equation
Producing hydrogen atoms from H2 molecules requires 436 kJ/mol to break H-?H bonds. For the longest-?wavelength photon capable of breaking a single H-
The solubility product constant for Ce(IO3)3 is 3.2x10^-10. What is the Ce3+ concentration in a solution prepared by mixing 50.00mL of 0.0250M Ce3+ with 50.00mL of 0.250M IO3-
for each formula unit of sodium decahydrate: Na2SO4 * 10H2O, a) how many atoms of each kind are present? B) how many water molecules would be liberated for every molecule of the hydrate that is decomposed by heating?
The steam reforming of methane is widely used in industry to make hydrogen, as given in the following reaction:CH4(g) + H2O(g) ? CO(g) + 3H2(g) a) Calculate the (approximate) enthalpy change
In a gas mixture, the partial pressures are nitrogen 435 , oxygen 145 , and helium 240 . What is the total pressure ( torr) exerted by the gas mixture?
Now consider the following set of reactions: Reaction A=2NO2 --- 2NO + O2, H=109 kJ/mol Reaction B=N2O4 --- 2NO + O2, H=172 kJ/mol The equations given in the problem introduction can be added together to give the following reaction
Calculate the percent by weight, mole fraction and mole percent of each component in a mixture consisting 9g of water (H2O), 120g acetic acid(CH3COOH) and 115g of ethyl alcohol (C2H5OH).
Calculate the number of fungal particles present in 1 m3 in the original air sample and express your answer in scientific notation, to one significant figure.
the following experiment was carried out with a newly made gaseouschlorofluoro carbon. 50.0 ml of the gas effused
Given that Kp for 2 SO2(g) + O2(g)-->/
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