Convert 0.550 \({\rm atm}\) of pressure to its equivalent in millimeters of mercury. express the pressure numerically in millimeters of mercury.

Which of the following are good traits of a hypothesis? it will be able to be testedit can predict an outcomeit will explain the observationsall of these

Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.

How many moles of potassium are needed to react completely with 12.8 moles of magnessium bromide?