2. What is the empirical formula for a compound that contains 10.52g Ni, 4.38g C and 5.10g N? {Ni(CN);}

The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?

Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.

What is the correct equation for cellular respiration?