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The system of sharecropping that emerged during Reconstruction:

How did Susan B. Anthony respond to the 15th Amendment, which granted voting rights regardless of race but excluded gender?

Which of the following best describes the purpose of the Black Codes enacted by Southern legislatures after the Civil War?

Which of the following would be least soluble in a nonpolar solvent?

. The osmotic pressure of a solution formed by dissolving 45.0 mg of aspirin C9H8O4 in 0.250 L of water at 25 °C is ________ atm. YOU MUST SHOW YOUR WORK FOR THIS PROBLEM

The amount of gas that occupies 60.82 L at 31.0 °C and 367 mm Hg is ________ mol. YOU MUST SHOW YOUR WORK FOR THIS PROBLEM

There are ________ unpaired electrons in a ground-state chlorine atom. 

A solution containing 10.0 g of an unknown liquid and 90.0 g water has a freezing point of -3.33 °C. Given Kf= 1.86g/°C for water, the molar mass of the unknown liquid is ______g/mol. YOU MUST SHOW YOUR WORK FOR THIS PROBLEM

The concentration of urea in a solution prepared by dissolving 16 g of urea in 25g of H2O is ________% by mass.  YOU MUST SHOW YOUR WORK FOR THIS PROBLEM

Using the table of average bond energies below, the ΔH for the reaction is ________ kJ. YOU MUST SHOW YOUR WORK FOR THIS PROBLEM                         Bond:      C≡C      C-C       H-I       C-I       C-H    D (kJ/mol):       839       348       299       240       413