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How would your calculated value of Kc compare to the actual value if the determination of absorbance were done on a solution that had been placed in a cell that was wet on the inside with rinse water? Explain.
Addition of 0.0125 mol HCL to 150 mL of a 0.150 M formic acid/0.100 M sodium formate buffer results in a pH = _______? Ka of formic acid is 1.8x10^-4
Consider a cylinder filled with air with a piston and spring arrangement on top. The external pressure is 1 bar, the initial temperature of the air in the cylinder is 25 C.
Analysis with an elaborate instrument indicates that substance A contains two elements. Substance B and substance C react to give a new substance D.
Constructs a galvanic cell that has a strip of iron metal immersed in a solution of 0.1M Fe(NO3)2 as one half-cell and a strip of zinc metal immersed in a solution of 1.0M Zn(NO3)2 as the other half-cell.
Under What circumstances is it possible for the requirements for chirality at a carbon atom to be satisfied but for a molecule containing
Does purified aspirin appear to be purer than crude aspirin? What is your evidence?
What would the atom ratio of 206Pb to238U be in a uranium mineral from a rock that is 1.0× 10^9 years old? t1/2(238U)= 4.5 × 10^9 yr.
an unknown salt is either nacn nac2h3o2 naf nacl or naocl. when .100 mol of the salt is dissolved in 1.0 l of solutionk
Eight open-chain isomeric alcohols have the formula C5H11OH. Draw the structural formula and write the IUPAC name for each of these alcohols.
An ideal gas mixture of 1.00g N2 and 3.0g He is placed in a 1.00L container at 30 °C. What is the partial pressure of He
calculated the concentration of B-Carotene in your 2.00mL sample to be 2.082x10-6 M, how many grams of B-Carotene are in your sample?
Perkin and related reactions, There are numerous condensations that are closely related to the Perkin reaction
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