A student fills a paper cup with water and puts in a freezer overnight. When she takes the cup out the next day, she notices that the sides of the cup are pushed out. Why did this happen?

What is the body systems main job

Every night when the sun sets, the air temperature decreases. How does the relative humidity change (increase, decrease, or stay the same) when the air temperature decreases?

Which of the following is unrelated to estimating vapor pressure? (a) Antoine's Equation (b) Cox charts (c) Gibb's phase rule (d) Credible vapor pressure data

Pyruvate can be converted to lactate instead of going to the preparatory reaction. Why does this occur?

Consider the reaction N2 (g) + 3H2 (g) → 2NH3 (g) Suppose that at a particular moment during the reaction, molecular hydrogen is reacting at the rate of - 0.091 M/s.

Fluorin is often added to drinking water and toothpaste

What larger energy does light energy come from?

Allows water to pass through easily

Which is a cause of desertification? A. farming B. creating reservoirs C. overgrazing D. driving motor vehicles

What happens when the threat of exposure to dirty air is reduced in a community? There is enough oxygen available for people's lungs to function normally The amount of indoor air pollutants released during a fossil fuel burn decreases There is a