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Devise a procedure that would confirm the presence of Pb^2+ ion in a mixture Pb^2+ and Cu^2+ ions. Devise a procedure that would confirm the presence of Ni^2+ ion in a mixture containing Pb^2+ and Ni^2+ ions. Based on the data explain why it would or would not be possible to confirm the presence of Cu^2+ and Ni^2+ ions in a mixture of the two.
Each of the measurements below describes length. Rank them from longest length to shortest length. 1x10^4cm, 1mile, 50in, 10m
In which one of the following species is the best Lewis structure a resonance structure. a. NH3 b. CO2 c. SF6 d. O2 e. CO32
The equilibrium constant Kp for the reaction ; CCl4(g) C(s) + 2Cl2(g) at 700 celcius is 0.76 atm. Determine the initial pressure of carbon tetrachloride
what is the solubility of O2 at an elevation of 12,000 ft where the atmospheric pressure is 0.657 atm? Assume the temperature is 25°C, and that the mole fraction of O2 in air is 0.209 at both 12,000 ft and at sea level.
A 12.0 g sample of solic NH4Cl is heated in a 5.00 L container to a high temperature. At equilibrium, the pressure of NH3 (g) is 1.22 atm. What is the value of Kp for the reaction
what is the molarity of an NaOH solution if 25 mL of this solution reacts exactly with 22.3 mL of .253 molar sulfuric acid?
Estimate the molecular diameter of methane (CH4) from the tabulated van der Waals constants in Atkins.( viscosity measurement would suggest a diameter of 0.414nm)
Calculate the % atom economy for the following two methods for converting benzene, C6H6, to aniline, C6H5NH2.
What is the pH of a solution formed by adding 50.20mL of 0.1153M NaOH to 505.8mL of 0.01357M aspartic acid. the 0.01357M refers to the concentration of the neutral form of the amino acid before the addition of NaOH
find the mass of C3H8 required to generate 2.5x10^8 KJ of energy when combusted with O2 gas to produce CO2 gas and water vapor.
A balloon was filled to a volume of 2.50 L when the temperature was rm 30.0 C. What would the volume become if the temperature dropped to rm 11.0 0C.
If 0.176 moles of Mg have combined with 0.220 moles of O, what is the empirical formula of the product?
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