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Which of the following combinations of reactants would lead to the occurrence of an oxidation-reduction reaction? (a) Ag (s) + HCl (aq) (b) Zn (s) + NiCl2 (aq) (c) Ca(NO3)2 (aq) + ZnCl2 (aq) (d) Ag (s) + Au (s) (e) Cu (s) + ZnCl2 (aq)
It is then analyzed on the ICP. The ICP results show the liquid to be 64.8 PPM Na and 43.7 PPM P. What does this reveal about the original dry powder
A 391 mL of sample of HClO4 has pH of 0.2439. If 619 mL of distilled water was added to the HClO4 solution, what would the new pH be
a gas sample containing 1.56 mol at 25degc exerts a pressure of 390. torr. some gas is added to the same container and
If the solubility of compound A in there at 0 degrees C is 2.0 g/100 mL and at 35 degrees C is 40.0 g/100 mL, how much ether would you use to recrystallize 20 g of A. What percent recovery would you expect.
Which of the following atoms has the smallest radius? At, Br, Ge, or Pb? The answer is Ge. Based on trends, wouldn't Br have a smaller atomic radius than Ge
Rex Ryan mixed peroxide with yeast to generate oxygen gas and collected the gas in a graduated cylinder, using the same set up as was used in Experiment 11. He collected the following data
The highly reactive OH radical (a species with an unpaired electron) is believed to be involved in some atmospheric processes. The bond enthalpy for the oxygen-to-hydrogen bond in OH as 460 kJ/mol. What is the longest wavelength (in nm) of radiati..
write structural formulas for the following condensed structures and determine the functional group in each compound.
a 91 gram solution of silver nitrate contains 15 grams of agno3. what is the percent by mass of silver nitrate in this
A nurse is asked to deliver morphine bt IV to a patient at a rate of 20 mg every four hours. The concentration in the IV bag is given as 0.13%. How many milliliters
Calculate the pH at the equivalence point in titrating 0.120 solutions of each of the following with 8.0×10-2. hydrobromic acid
If 3.65 mL of vinegar needs 41.5 mL of 0.150 M NaOH to reach the equivalence point in a titration, how many grams of acetic acid are in a 1.20 qt sample of this vinegar
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