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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Write a balanced net ionic equation for the following dissolution reaction: Zn(OH)2 in aqueous NH3 to form Zn(NH3)4 2+
Which of the following rtansitions in a hydrogen atom would emit radiation having the highest energy. A) n=1 to n=2 B) n=2 to n=6 C) n=6 to n=4 D) n=4 to n=1 E) n=3 to n=2 Please explain the answer to me as well.
What would be the boiling point of acetone (AHvap = 32.0 kJ/mol) at this elevation? What would be the vapor pressure of acetone at 25.0°C at this elevation?
Estimate the mass of water that must evaporate from the skin to cool a body by 0.30, if the mass of the body is 94 and its heat capacity is 4.0 .
the earth undergoes over a specified period of time the amount of work required to build a house the heat generated by a chemical reaction carried out at constant temperature and pressure the enthalpy released by the combustion of a gallon of gaso
Chymotrypsin is initially synthesized as an inactive precursor, chymotrypsinogen. How is it activated and what are the advantages and disadvantages of this type of activation?
How to draw a diagram of sodium metal starting with one sodium atom, then two atoms, then four atoms then eight atoms and finally an infinite number of atoms?
At standard temperature and pressure (0 and 1.00 ), 1.00 of an ideal gas occupies a volume of 22.4 . What volume would the same amount of gas occupy at the same pressure and 30
Pb accumulates at a rate of 0.03mg m-2 day-1. How many metric tons (1 metric ton=1000kg) of Pb fall on the 535 square kilometers of Chicago in 1 year?
How does the reaction change if the OH- concentration is decreased by a factor of 5? What is the change in rate if the concentration of both reactants is doubled?
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