Which of the following would be a quantitative observation? a. the solution has a volume of 25 ml b. the solution turned blue c. the solution has a citrus scent d. the solution is cloudy

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.

A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat