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Use the integrated rate law method to determine the rate constant for the data collected for the reaction:A ® B + C
Time (min) [A] (mol/L)0 0.1800
200 0.1084400 0.0695600 0.0430800 0.02481000 0.01511200 0.01061400 0.00701600 0.00441800 0.00252000 0.0016
A solution was prepared by dissolving 5.76g of KCL*MgCl2*6H2O (277.85g/mol) in sufficient water to give 2.000L
You titrated 1.740 g of a solid unknown acid that was dissolved in 100.0 mL of distilled water; the initial pH value was 2.5. You found that pH=pKa=4.2 when 12.50 mL of NaOH had been added. The concentration of the sodium hydroxide was 0.500 M.
The mitochondrion has two membranes, the inner and outer- the outer membrane is porous and enables many molecules to freely diffuse. The inner membrane is different from the outer membrane as it is only penetrable to o2
explain how to correct for the partial pressure of water vapor when calculating the partial pressure of a dry gas that is collected over water.
determine the minimum concentration of the percipitation the cation from the solution of the left. 0.035 M BaNO3; Naf.
Dinitrogen oxide ( nitrous oxide, or laughing gas ) is sometimes used as an anesthetic. Here are some data about the N2O molecule: N-N bond length = 113 pm; N-O bond length = 119 pm.
Acid halides and Acid anhydrides can also be used to make esters - show how ethyl ethanoate can be made from a) and acid halide and b) an acid anhydride
a 325 ml sample of solution contains 25.3 grams of cacl2. calculate the molar concentration of cl- in this
Identify the atom whose electron configuration is [Ne]3s^23p^6. Write the one or two letter symbol for the element. How many unpaired electrons are there in the ground state of this atom?
Provide the arrow pushing mechanism of the synthesis of hexaphenylbenzene from diphenylacetylene
A 25.0 mL sample of 0.20 mol L-1 HNO2(aq) is titrated with 0.20 mol L-1 KOH(aq) at 25oC. What is the pH AT THE Equivalence point?(FOR HNO2,Ka=4.50x10^-4 at 25oC)
The equilibrium constant of the water-gas-shift reaction is 200, and the mole fraction of hydrogen at the outlet is 0.75. Using the extent of reaction method, how much additional steam is fed into the water-gas-shift reactor?
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