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In an experiment, a piece of copper is weighed 40.0 g and allowed to react with oxygen. {rm 2Cu}(s) + {rm O_2}(g) to {rm 2CuO}(s) How many grams of {rm CuO} could be produced according to the equation?
Is the Br2 a gas, and what is the net ionic equation for this reaction?
What volume of 0.25 M HCl solutions must be diluted to prepare 1.00 LK of 0.040 M HCl?
Why is it important to clean the surface of the zinc and copper electrodes with 1 M HNO3 immeadiately before using them in this experiment.
The rate of decomposition of C3H6 in the following reaction is 0.45 M/s. Calculate the rate of production of H2O. 2 C3H6 + 2 NH3 + 3 O2 → 2 CH2CHCN + 6 H2O
An advantage of the hydroboration reaction is that the rearrangement of the carbon skeleton does not occur. This lack of migration contrasts with results obtained upon the addition of hydrogen chloride to the double bond. Offer an explanation why.
MnO4-(aq) I-(aq)?Mn2 (aq) I2(s), the number of electrons gained in cathode is ( )
A 25 ml sample of .30M sodium acetate is titrated with .3M HCl. What is the pH after addition of 12.5 ml of HCl. (Ka= 1.8e-5)
According to the following reaction, what volume of 0.244 M KCl solution is required to react exactly with 50.0mL of 0.210 M Pb(NO3)2 solution?
Iodine-131 is used in the form of sodium iodide to treat thyroid cancer. The isotope has a 1/2 life of 8.05 days
Which of the following rtansitions in a hydrogen atom would emit radiation having the highest energy. A) n=1 to n=2 B) n=2 to n=6 C) n=6 to n=4 D) n=4 to n=1 E) n=3 to n=2 Please explain the answer to me as well.
A major source of iron is from the mineral magnetite which is 72.4% iron by mass. If magnetite has a density of 5.20 g/cm3, how many cubic meters
What concentration of naphthalene in grams per liter would be needed to give an absorbance of 1.0 at 220nm
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