Usually my bf comes but I’m so scared he’s been feeling sick lately but he still came I’m so scared id. k what to do, i don’t think I did anything wrong

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work

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.