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Complete the following equations:
a. 105B + 10n -> ? + 42He
b. 2310Ne -> 2311Na + ?
c. 12151Sb + ? -> 12152Te + 10n
Explain what preliminary test results are you looking for to identify conclusively your unknown solutions as this set: AgNO3(aq), Ba(NO)3(aq), HCl(aq), H2SO4(aq), NaOH(aq)
a system absorbs 192 kj of heat and the surroundings do 110 kj of work on the system. what is the change in internal
Titration of metal ion with EDTA. using the spreadsheet equation 11-11 to compute the curves (pM versys mL of EDTA added) for the titration of 10 mL of 1.00 mM M2+ (=Cd 2+ or Cu2+) with 10.0 mM EDTA at pH 5.00. Plot both curves on one graph.
Part B) The buffer from Part A is diluted to 1.00 L . To half of it 500mL you add 0.0300 mol of Hydrogen ions without changing the volume.
Nuclear engineers use chlorine trifluoride in the processing of uranium fuel for power plants. This extremely reactive substance is formed as a gas in special metal containers by the reaction of elemental chlorine and fluorine. This is the reactio..
Identify the oxidizing agent in the chemical reaction 2MnO4? + 5H2SO3 ? 2Mn2+ + 5SO42? + 4H+ + 3H2O. Answers: MnO4? H2SO3 Mn2+ SO42? H+
Na3AlF6(l) 3 Na(l) + Al(l) + 3 F2(g) What is the concentration of F2 over a bath of molten cryolite at this temperature? a) 3 10-35 M b) 5 10102 M c) 6 10-74 M d) 8 10-312 M e) 8 1017 M
how many grams of ammonium nirtate must have reacted if 3.75dm3 of nitrogen gas was collected over water at 26C and 97.8 kPa
How many grams of cobalt metal can be formed if a 2.00 amp current is passed through a solution of Co2+ for a period of 20.0 minutes
Sufficient of a monophonic acid is dissolved in water to produce a 0.0170 M solution. The pH of the resulting solution is 2.69. Compute the Ka for the acid.
Calculate the theoretical yield of 1M of potassium chromate (50 ml) and Lead (II) nitrate 1 mol (50ml)
What is the enthalpy of this reaction. Assume that no heat is lost to the surroundings or to the coffee cup itself and that the specific heat of the solution is the same as that of pure water.
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