A double replacement reaction can be best described as a reaction in which a substitution takes place. two atoms of a compound are lost. ions are exchanged between two compounds. electrons are exchanged between two atoms.

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

As you watch a surfer ride a wave towards the shoreline, what is the shoreline? a) displacement reference b) reference point c) coordinate plane d) cartesian boundary

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged