5.30 moles dinitrogen pentoxide = _ grams
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Based on the equation and the information in the table, what is the enthalpy of the reaction?

What are the 4 phases of matter in order of increasing engery content?

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out