If i drink two 5 hour energy shots, will i have 10 hours of energy or 5 hours of double energy?

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

Citric acid has a ph between 1 and 3.  it is considered to be aa. weak acidb. weak basec. strong based. strong acid

Two liquids are poured into a beaker. after a few seconds, the beaker becomes warm. which of the following best describes this reaction? a. an exothermic reaction b. a decomposition reaction c. an endothermic reaction d. a single-displacement reaction