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1. Supply the missing product (?) for the following reaction: 5926Fe ® ? + -10e
2. The [OH-] of a solution is 3.6 x 10-4 M. What is the [H3O+]? Is the solution acidic, basic, or neutral?
3. Write the correct molecular formula for the structure :Br--CH2--CH--OCH3--CH3.
Assume that you have an aqueous solution of an unknown salt. Treatment of the solution with dilute BaCl2, AgNO3, and Cu(NO3)2 produces no precipitate. Which of the following anions might the solution contain
It takes 49.0 to raise the temperature of an 8.00 piece of unknown metal from 13.0 to 24.5. What is the specific heat for the metal?
the balanced chemeical equation for the reaction of magnesium metal in oxygen gas and for the rection of magnesium metal in nitrogen gas
A voltaic cell is set up at 25º C with thefollowing half cells: Al3+ (0.0010 M) | Al and Ni2+(0.50 M) | Ni. Write an equation for the reaction that occurs when the cellgenerates an electric current and determinethe cell potential.
Calculate the potential at a platinum electrode in the titration of 50.0 mL of 0.100 M FeSO4 after addition of 7.00 mL of 0.0500 M KMnO4.
A steel cylinder with a volume of 15.0 L is filled with 50.0 G of nitrogen gas at 25 degrees C. What is the pressure of the N2 gas in the cylinder
Draw oxygen-binding curves for crocodile hemoglobin in the presence and absence of bicarbonate. Which conditions increase the p50 value for crocodile hemoglobin? What does this tell you about the oxygen-binding affinity of hemoglobin under those c..
A copper cube measuring 1.60 cm on edge and an aluminum cube measuring 1.61 cm on edge are both heated to 55.3 C and submerged in 100.0 mL of water at 22.1 C.
Draw the reaction energy diagram for this reaction mechanism. In your diagram, label for each step, Estimate the relative amount of each product that would result. Please show all of your math
a 175.0g sample of a compound contains 56.15g C, 9.43g H, 74.81g O, 13.11g N, and 21.49g Na. What is the compound's empirical formula?
moist air exerts lower pressure and dry air exerts high pressure. how would the volume of the hydrogen gas that was ollectes been different if this eperiment was done on a very rainy day/ on a very dry day?
what are the chemical properties of corundumaluminium
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