Which of the following are in the human brain? A. Hypothalamus
B. Pituitary gland.
C. Pineal gland
D. All of them

9. write the chemical equation for the following word equations. include symbols for physical states in the equation. a. solid zinc sulfide + oxygen gas -> solid zinc oxide + sulfur dioxide gas b. aqueous hydrochloric acid + aqueous barium hydroxide -> aqueous barium chloride + water

Answer asap need by wednesday morning calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 best answer will be brainliest

What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2