Hydrogen bromide breaks down into diatomic hydrogen and bromine in the reaction shown. 2HBr → H2 Br2 The energy of the reactant is 732 kJ/mol, and the energy of the products is 630 kJ/mol. What is the total energy of the reaction? Is this reaction endothermic or exothermic?.

Use the gizmo to find the concentration of the mystery ch3cooh. use the titrant and indicator shown below perform the titration. what is the titrant volume? titrant analyte indicator titrant volume analyte concentration naoh ch3cooh phenophthalein select one: a. 20.0 ml b. 27.0 ml c. 30.0 ml d. 24.0 ml

The boiling point of liquids is very high what does it indicate

Identify the electromagnets with poles that are reversed from the electromagnet shown above