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A) Metals lose electrons to form stable ions that are isoelectronic with the previous noble gas. Explain what is the charge on lithium ion?
B) Type the elemental symbol for another element a metal that would be predicted to have the same charge as the lithium ion.
C) While forming monatomic ions, halogens gain electrons to become isoelectronic with the next noble gas. Explain what is the charge on the iodide ion?
D) Define which is the correct formula for nickel (II) nitrate?
the nonvolatile nonelectrolyte solute aspirin c9h8o4 180.10gmol is soluble in diethyl ether ch3ch2och2ch3. how many
For the molecule shown below, choose all the statements that are true. Soluble is where at least 10 drops of the compound can be added to a particular solvent (in this case, water or hexane-- CH3CH2CH2CH2CH2CH3) and the result is one homogeneous l..
aqueous solution of sodium chloride (NaCl). What mass of NaCl would you need to dissolve in 500 g of water to make this solution?
A certain reaction is spontaneous at 134*C if the enthalpy change for the reaction is 198 kJ/mol. The minimum value of delta s for the reaction has to be
Use Dalton's law and the vapor pressure of water at 22C to compute the partial pressure of hydrogen gas in the collecting tube.
Explain An aqueous solution containing barium iodide (BaI2) is electrolyzed in a cell containing inert electrodes and the products at the anode and cathode are
suppose that hydrogen atoms are prepared in the n=2 energy level. calculate the wavelength of light emitted by these excited atoms when returning to the ground state.
N2O2 draw valence bond drawings for the resonance forms-clearly labeling the sigma and pi bonds and hybrid orbitals.
In biochemistry laboratories, solutions of sucrose (table sugar, C12H22O11) are used in high speed centrifuges to separate the parts of a biological cell. How many liters of 2.69 M sucrose contain 217 g of solute
Compute the boiling point of an aqueous solution containing 121.5 g of copper (II) chloride as well as 4.50E2 g of water. State the boiling point elevation constant for water is 0.512 C/m.
in a certain reaction hydrogen reacts with carbon dioxide to produce carbon monoxide and water vapor. provide a
Benzoic acid precipitated when the aqueous solution of sodium benzoate in beaker A was acidified. If benzoic acid failed to precipitate after acidification, how would you recover benzoic acid from beaker A
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