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The isotope, carbon-14, is a very interesting isotope to study because of how ubiquitous carbon is in living organisms. However, isolating 14C from 14N can be very challenging. Researchers at Lawrence Livermore National Security Lab discovered that if you bombard your carbon/nitrogen-14 samples with cesium atoms, the carbon will form the C1-anion whereas nitrogen will not react at all. Explain (at the atomic level) what is occurring to produce anions of carbon but not nitrogen.
Methane undergoes the combustion, as shown in the chemical equation below. Using bond energies, estimate the energy change for this reaction. Please use the correct bond energy for the CO bond in CO2
A mixture consisting of 50 grams of ethanol and 50 grams of water is distilled using an efficient column. How much water will remain in the distillation flask the instant all of the azeotrope
Consider the titration of a 25.0 mL sample of .125M RbOH with .105M HCl. Find the initial pH.
When each of the following pairs of aqueous solutions is mixed, does a precipitation reaction occur? If so, write the formula and name of the precipitate. (Type "NONE" in the blanks if there is no precipitation reaction.)
Using pH-based arguments only, why do scientists use phosphate-based bufers instead of buffers made using acetic acid
The Henry's Law constant of methyl bromide, CH3Br, is k = 0.159 mol/(L • atm) at 25°C. What is the solubility of methyl bromide in water at 25°C and at a partial pressure of 250. mm Hg?
you are asked to titrate a 6.00 ml sample of vinegar using 0.25m naoh. the mass of your vinegar sample was 6.168g so
Calculate the fraction of methyl isonitrile molecuules that haven an energy of 80.30 kJ or greater at at 450 k.
The flask was then shaken until the solution was uniform. A 45.0- sample of this glucose solution was diluted to 0.500 . How many grams of glucose are in 100. of the final solution?
calculate the pH of 50 ml of .15 M HCHO2 with 75 mL of .13 M NaCHO2
reacting ammonia with carbon dioxide. the by product is water. 637.2g of ammonia are reacted with 787.3g of carbon dioxide. which of the two reactant is a limiting reactant?
At equilibrium the total pressure was 1.00 atm and the NOCl prssure was 0.27 atm. 2NOCl(g) &hArr 2NO(g) + Cl2(g) Calculate the partial pressure of NO and Cl2 in the system
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