Why do you suppose the stomach contains acid? what do you think happens when there is more acid than food in the stomach? PLZ help I need an answer ASAP
50 points to the first person

Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?

What structural formula represents 4 electrons shared between two atoms?