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Explain how do you find the melting point of molecules? For instance to sort LiF, BeO, BN from highest melting point to lowest melting point.
if you burn 40.7 g of hydrogen and produce 364g of water, how much oxygen reacted?
An aqueous solution contains 0.96 g/L of an organic detergent. The osmotic pressure of this solution is 62.2 torr, at 25°C. What is the molar mass (in g/mol) of this detergent
An aqueous solution contains 545 g of ThCl3. If the solution is electrolyzed using inert electrodes, calculate the current needed to remove all of the thorium from the solution in 5.00 hours.
calculate the delta pH/ delta deg. Celcius for the pH 8.0 tris solution. How accurate was the use of the "pH strip" in determining the pH
The use of an FTIR Transducer has never become commonly used as a detector for HPLC because?
Can the change in a state function be equal to the difference of two non-state functions. Give an example.
Menthol is a crystalline substance with a peppermint taste and odor. When 0.705 g of menthol is dissolved in 25.0 g of cyclohexane, the freezing point of the solution is lowered by 3.76 °C.
A 20.0 mL sample of gastric juice was taken from a patient suspected of having hypochloridia (low stomach acid). The sample was taken several hours after a meal so there was no ingested food or drink
Explain how FeBr3 assists the reaction. Br2 dissolves in a number of solvents, but we preferentially use glacial acetic acid.
For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 2Na(s)+Br2(g)->2NaBr(s) 1. 2mol Na, 2mol Br2 Express your answer as a chemical formula.
Gasoline currently powers the majority of automobiles in the U.S. but electric cars have been touted as a way to reduce our dependence on gasoline as well as improve our air quality by reducing production of byproducts associated with gasoline com..
Arrange the following reactions according to increasing change of entropy values. A. CH4(g) + H2O (g) = CO(g) + 3H2(g) B. C(s) + O2(g) = CO2 (g) C. H2O2(liquid) = H2O(liquid) + 1/2 O2 (g)
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