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what is allotropy
The atomic weight is the weight of an atom of a chemical element. For instance, the atomic weight of oxygen is 15.9994 and the atomic weight of hydrogen is 1.0079. Write a script
Calculate the total heat (in J) needed to convert .777 moles of gaseous ethanol at 300 degrees C and 1 atm to liquid ethanol at 25 degrees C and 1 atm. Extra info: b.p. 78.5 degree
The ground state term symbol for an electronic state is governed by : (1) Heisenberg's principle (2) Hund's rule (3) Aufbau principle (4) Pauli exclusion principle
Laboratory safety During your observation of chemistry you will conduct experiments in the laboratory. When working in the lab you are accountable for the safety of yourself and o
what are commercial cells?
Terylene: Preparation: terylene is prepared by a polyconensation reaction between a dicarboxylic acid and a idol. Properties: a fully aliphatic polyester are not of muc
applications of photochemistry
The relevant group I elements are sodium and potassium, but all candidates should know the trend in reactivity, observations during reactions, trends in solubility and thermal stab
Fe3+ + e ------> Fe2+
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