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Consider the conversion of CH3CH2CH2CH2OH to each of the compounds shown below. In which conversion is an oxidizing agent required?
a. CH3CH2CH2CH3
b. CH3CH2CH2CH=O
c. CH3CH2CH=CH2
d. CH3CH2CH2CH2Br
How much potassium nitrate has to dissolve in water to absorb 110 of heat?
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A gas expands and does P-V work on the surroundings equal to 281 J. At the same time, it absorbs 216 J of heat from the surroundings. What is the change in energy of the system?
Calculate the pH of a buffer solution that contains 0.25 M benzoic acid (C6H5COOH) and 0.15 M sodium benzoate (C6H5COONa). Ka= 6.5 x 10^-5 for benzoic acid. Please show your work for how you got this.
If the density of the vinegar solution is 1.00 g?mL, what is the mass percent of acetic acid present?
carbon and oxygen occupies a volume of 452 ml at 63 C and 745 mmHg. identify the gas in the sample (R= 0.0821 L*atm/K*mol)
If 15 grams of copper (II) chloride react with 20 grams of soduim nitrate, how much sodium chloride can be formed?
A gaseous mixture of O2 and N2 contains 36.8% nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 685 mmHg.
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What is the concentration of dissolved O2 in blood (or water) at this partial pressure and a normal body temperature of 37C? The solubility of O2 in water at 37C and 1atm partial pressure is 1.93x10^-3 mol/L?
What is the maximum number of electrons in an atom that can have the following set of quantum numbers?
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