What is the molecular formula of a compound that has a molecular mass of 54 and the empirical formula c2h3?
a. c2h3
b. c4h6
c. c6h9
d. c8h12

Which of these is the result of scientific research and not engineering? a. a new shoe design that features air cushioning for more comfort and protection b. the creation of glass with uv protection. c. a conclusion about diet commonalities among diabetics. d. the development of a smaller, more compact missile.

Think about how you can use le chatelier’s principle to find possible solutions to the design problem. describe at least two ways to increase the yield (amount) of ammonia based on this principle.

An observation that requires measurement is called quantitative observable or qualitative