A 7.546 g sample of an unknown compound was analyzed and found to contain only nitrogen andoxygen. If the mass of nitrogen present in the sample was 1.957 g, determine the empirical formula of the compound

Where are chemicals found at work? a. only in cleaning products b. only in carpets and paint c. in every area of work d. only in food preparation submit

How does a hydroelectric power plant converts energy into energy.

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.