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A reaction will NOT occur when all the reactants and products in the ionic equation are spectator ions because no change occurs such as the formation of a precipitate or molecular compound. Which of the following combinations (as reactants) will NOT undergo chemical change when mixed? Refer to Appendix J if needed. Mg(NO3)2(aq) and NaOH(aq) HCl(aq) and NaOH(aq) NaNO3(aq) and KI(aq)
To what final volume should you dilute 60.0mL of a 5.40M KI solution so that 40.0mL of the diluted solution contains 3.75g of KI
In an ethanol-chloroform solution in which the mole fraction of ethanol is 0.20, the total vapor pressure is 304.2 torr, and the mole fraction of ethanol in the vapor is 0.138. Calculate the activity coefficients of the ethanol and the chloroform.
a student combusts 504.96 grams of ethene gas c2h4. how many liters of co2 g are produced at a pressure of 0.993 atm
2.50 moles of cobr2 are introduced into a 2.00 liter flask at 0degrees and heated to a temp of 73 degree celcius. at
Methane and oxygen react to form carbon dioxide and water. What mass of water is formed if 3.2 g of methane reacts with 12.8 g of oxygen to produce 8.8 g of carbon dioxide
What spectral features (including Carbon spectra, IR spectra, Proton spectra, and Mass spectra) differentiate Benzoic acid (product) from Benzonitrile (starting material)
Naturally occurring iodine has an atomic mass of 126.9045. A 12.3849- sample of iodine is accidentally contaminated with 1.00070 of , a synthetic radioisotope of iodine used in the treatment of certain diseases of the thyroid gland.
a canister contains 425 kpa of carbon dioxide, 750 kpa of nitrogen, and 525 kpa of oxygen. What is the total pressure of the container?
Describe how you would prepare a 500 mL of a solution which is 0.500 M sodium and 1.60 M phosphate if you only had sodium chloride and potassium phosphate available
The explosive nitroglycerin decomposes rapidly upon ignition or sudden impact according to the following balanced equation: 4C3H5N3O9 (l) --> 12 CO2 (g) + 10H2O (g) + 6N2 (g) + O2 (g)
Calculate the percent error in the experiment using the experimental and theoretical values of the mass percent of oxygen.
The kinetics of decomposition of dinitrogen pentaoxide is studied at 50 degrees C and at 75 degrees C. Which of the following statements concerning the studies is correct
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