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Transform the dependent variable (absorbance) to their natural logarithms, and plot them against the independent variable (time). Identify a time t' that defines the begining of the linear portion of the decay curve.
How many grams of .49% wt% aqueous HF are required to provide a 25% excess to react with 25 mL of .023 M Th^4+ by the reaction Th^4+ + 4F^- --> ThF4
Draw the skeletal structure of the organic product obtained when benzyl bromide reacts with solid Mg in diethyl ether. Draw the skeletal structure of organic product obtained when the product from (a) above reacts with ethylene oxide followed by aci..
How many grams of dipotassium phthalate (242.3 g/mol) must be added to 700 mL of 0.175 M potassium hydrogen phthalate to give a buffer of pH 6.00?
If there are three electrons in 2p, the electrons will differ in: a) principle quantum number b) secondary quantum number
a 345 ml container holds nh3 at a pressure of 745 torr and a temperature of 45 degrees celsius. what is the molar
Compare the acid or base strength of the following compounds and explain your ordering by explaining in terms of the difference in the structure.
The rate law for the reaction NO(g) + O3(g) ? NO2(g) + O2(g) is first-order in NO and O3, and second-order overall. Write the complete rate law for this reaction.
The human eye is able to detect as little as 2.35 × 10-18 J of green light of wavelength 510 nm. Calculate the minimum number of photons of green light that can be detected by the human eye. Physical constants can be found here.
if 120.9 ml of water is shaken with a gas at 0.860 atm it will dissolve 0.00286 g of the gas. estimate the henrys law
The standard entropy of ethane (C2H6, S^0 = 229 J / (mol K) ) is higher than that of ethylene (C2H4, S^0 = 219 J / (mol K) primarily because ethane has _______ accessible ________ states than ethylene at 298 K.
What is the molarity of a solution made by dissolving 1.00 grams of HCl in enough water to make 100. mL of solution
What are the similarities between the Rutherford-Bohr atom and the modern quantum mechanical model? What are the differences? Why is the Rutherford-Bohr model still useful? In what situations would you use one model over the other? Why?
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