Atomic bonding point of view
Pure aluminum is ductile metal withlow tensile strength and hardness. Its oxide Al2O3 (alumaina) is extremenly strong, hard, and brittle. Can you explain this difference from am atomic bonding point of view?
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Gaseous NOCl is placed in a closed container at 193 oC, where it partially decomposes to NO and Cl2: 2 NOCl(g) 2 NO(g) + 1 Cl2(g) At equilibrium it is found that p(NOCl) = 0.008460 atm, p(NO) = 0.007950 atm, and p(Cl2) = 0.004590 atm. What is the
A 0.100 molal solution of a non-electrolute in water raises the boiling point of the resulting solution by 0.052 degrees. What will be the boiling point of a 0.100 molal solution of Na3PO4?
Given 7.95g of butanoic acid and excess ethanol, how many grams of ethyl butyrate would be synthesized, assuming a complete 100 %yield
On a IR Spectrum chart, where would the one or two absorptions be located that distinguish the compound Diethl Ether
(a) If each sphere represents 1.0 x 10^-3 mol of ion, will the equivalence point have been reached when all of B has been added to A?(b) What is the molarity of B?(c) What additional volume (mL) of B must be added to reach the equivalence point?
If your lab partner added slightly too much water in step 5 of preparing the penny solution. Will your final percentage of copper in the penny be too big, too small, or unchanged? clearly explain your answer.
Using the diffence in electronegativity how can you tell metallic compounds. Is there a range in EN to indicate a metallic compound?
Would you use UV spectrophotometry to screen for either or both of methamphetamine and diazepam compounds?
The heat capacity of H2O(l) is 75.2 J/mol·K and that the heat capacity of H2O(s) is 37.7 J/mol·K, calculate the heat of fusion of water at -15°C.
0.100 moles of NaOH are combined with 0.125 moles acetic acid. The mixture is taken to a final volume of 100.0 ml. What is the expected pH of the solution. Ka = 1.76 x 10^-5
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