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How would you expect a sample of pentane to behave under similar experimental conditions?
acetylene has a pka of25. calculate the ka. the pka of phenol is 9.9. which isthestronger acid acetylene or phenol?
Calculate the solubility of N2 in water at 25 oC in moles/L if the partial pressure of N2 in the headspace above a water sample is 1.65 atm
Oxidizing ethanol and methanol in an experiment, and it is not a safe process. Explain how to know which to add first- sulfuric acid, potassium permanganate, or the alcohol (concentrated methanol or ethanol).
The concentration of Fe2+ in a sample of water is 350 mmol/L At what pH will 99% of the Fe2+ be precipitated as Fe(OH)2? Ksp = 7.9 x 10-15
The heat of vaporization for the compound is 27.49 kJ/mol. Calculate the heat required to convert 27.0 g of C2Cl3F3 from a liquid at 12.00°C to a gas at 68.00°C.
Explain why either greatly decreasing or increasing the percentage of oxygen in the atmosphere is dangerous.
what ion is the base in this reaction. What is the acid? What is the spectator ion in this rxn? Please be detailed and and show the states
Which statement is true for the cell as it discharges?
An unknown compound, H2A, is thought to have a carboxyl group with a pKa value of 3.2 and another ionizable group with a pKa between 4 and 9. When 75mL of 0.1M NaOH was added to 100mL of a 0.1M solution of H2A at pH 3.2
acetylene gas c2h2 is produced by adding water to calcium carbide cac2cac2 2h2o gt c2h2 caoh2 .how many grams of
An unknown gas effuses 0.917684 times as fast as oxygen gas under the same conditions. What is the molar mass (g/mol) of the unknown gas. What is the chemical formula of the unknown gas.
if 100 g of mg reacts with excess hcl what volume of hydrogen gas at 25 degrees c and 1.0 atm pressure will be
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