Friday
July 25, 2014

Posts by Betsie


Total # Posts: 6

College Chem
Calculate the enthalpy of reaction from the standard enthalpies of formation of the reactant and product molecules. 2C2H6+7O2-->4CO2+6H20 I am using the back of my book for the standard enthalpies of formation, but cannot seem to find the HoF for C2H6?

Chemistry
write the complete and net ionic equation for: HCl+NaOH-->H20+NaCl HNO3+NaOH-->H20+NaNO3

chemistry
thanks! :D

chemistry
why would a polystyrene cup be used in an exothermic reaction between HCl and NaOH instead of a beaker?

Math/Statistics
5/29

math
Alex bought lemons that were priced at 2 lemons for 18¢. What was the total cost of 5 lemons?

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