A certain compound has the empirical formula C2H4NO and a molar mass of 116 g/mol. What is the molecular formula of the compound?

Select the most likely product for this reaction: koh(aq) + co2(g) – ? k2co3(aq) + h2o(1) k(s) + h2(g) + o2(g) k(s) + co3(9) +h2

Give more examples of this type of heat transfer:

Which diagram represents the phase tha occurs after a solid melts?