Water exist as a liquid between 0 and 100 Celsius.

a. True

b. False

What is a mineral phase change? a. when a mineral melts from a solid state to a liquid state b. the exterior of a mineral weathers and changes color c. a mineral changes density because of the addition of water d.

The frequency, wavelength, and amplitude of a simple wave can best be described as what? A) random B) a force C) a pattern D) unpredictable

Based on the chemical reaction: N2 (g) + 3H2 (g) → 2NH3 (g), which substance takes up the most space?

How many valenceelectrons does rare earth metals have

What would be the temperature of 50 g of 20°c water mixed with 80g of 40°c water?

What is the term for the amount of salts in water? Evaporation Evaporation Salinity Thermocline Density

In an acid-base titration, of 20 ml of a m HCI solution with 1 m NaOH. How many ml of NaOH are needed

Which of the following is not a source of air pollution related to human activities

Objects and substances in motion is I

If you were to remove an electron from a sodium atom that has eleven protons, what would be the electrical charge of the ion?