The motion of a car on a position-time graph is represented with a horizontal line. What does this indicate about the car's motion? OA. It's not moving
OB. It's moving at a constant speed.
OC. It's moving at a constant velocity.
OD
It's speeding up.

0.09 moles of sodium sulfate in 12 ml of solution

Which metals are called noble metals

In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation: