The chemical formula for hydrogen peroxide is H2O2. What is the total number of atoms in 1 molecule of hydrogen peroxide?

List the two type of transporst that the cell in orde to transport molecules acroos the membrane

Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.