Under what conditions would pressure affect the reaction rate? A. If the reaction takes place between a solid and a liquid

B. If the reaction requires the use of catalyst

C. If the reaction is between two liquids

D. If the reaction occurs in the gas phase
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the formula mass of a molecule or a compound is the sum of the atomic weights of the atoms in its empirical formula

(that's what i know about formula mass)

(b) which contains higher levels of vitamin b, oranges or spinach?

explanation:

you can eliminate a, c, and d because they are questions based on opinions.

diaria maybe go see a doctor about that