Amotor vehicle has a mass of 1200 kg, and is traveling at a velocity of 70 km/hours to the southeast. as it travels over a hill, it leaves the pavement and reaches a maximum height of 3 meters off the pavement. calculate the vehicle's gravitational energy. *

Problem page gaseous ethane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water . if of water is produced from the reaction of of ethane and of oxygen gas, calculate the percent yield of water. be sure your answer has the correct number of significant digits in it.

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.

Which type of intermolecular attractions holds ammonia molecules together with other ammonia molecules?