When Dora's Father puts oil in the car, he is protecting the engine from what force? a. Inertia b. Friction c. Velocity d. Motion btw its not chemistry its science-

Apure solvent has a vapor pressure the vapor pressure of a solution. a. equal to b. lower than c. higher than

Un cierto gas tiene un volumen de 800ml a 80°c y 600ml a 80°c y 600mmhg de presión. ¿cual será el volumen del gas a condiciones normales? sí el gas es oxígeno, ¿cuál será su peso? y ¿cuántas moléculas están presentes en el sistema?

Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's