Which two substances are among the four major types of organic compounds made by living things A. lipids
B. water
C. carbon dioxide
D. Nucleic acids

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21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

What is the empirical formula of a compound that is 50.7% antimony and 49.3% selenium ?