The amount of oxygen in the reactance is for items. In the products, oxygen is distributed to water H2O and O2 gas. Which coefficients would be placed in front of water and oxygen?

An electric clothes dryer has a resistance of 8 ohms. it draws 30 a of current. what is the voltage, in volts, of the wall outlet that it is plugged into?

Two carts, one of mass 2m and one of mass m, approach each other with the same speed, v. when the carts collide, they hook together. assume that positive momentum is to the right. which graph best represents the momentum of both carts over time, before and after the collision?

If anyone who can me with this hw? i would really appreciate it