How many protons electrons and neutrons does the following isotopes contain 1H+

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

Achef makes salad dressing by mixing oil, vinegar, and spices, as shown. which type of matter is the salad dressing?

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.