25. energy is released during the fissionof pu-239 atoms as a result of the(1) formation of covalent bonds(2) formation of ionic bonds(3) conversion of matter to energy(4) conversion of energy to matter 25

What is the chemical formula of the following compound

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

Draw any one of the skeletal structures of a 2° alkyl bromide having the molecular formula of c6h13br and two stereogenic centers. indicate chirality by using wedge and hashed wedge notation. lone pairs do not need to be shown.