Agas in a piston at standard pressure. The volume of the piston starts at 620 mL. If the piston is contracted down to 442 mL, what is the new pressure in mmHg?

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Amixture that has two or more substances that are spread out evenly is called a. compound b. heterogeneous c. substance d. homogeneous

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat