In the fishbowl, the glass, water, rocks, and plastic plants are in thermal equilibrium. this situation means the temperature of the rocks is

For each of the 3 ionic compounds, select the main group element "X" belongs to ... a) X3PO4 b) CaX2 c) X2 (SO4) 3

How does a system at equilibrium respond to a stress?

List three metal ions that commonly participate in biological redox chemistry, and give examples of how they participate.

Fossils found in layers of sediment give us clues to Earth's past. Based on the fossil record of this area, we can assume that this area was A) once a desert. B) once underwater. C) much colder in the past. D) located in a different place on Earth.

A cluster of billions of atoms that all have magnetic fields lined up in the same way is known as a a. magnetic field line. b. magnetic pole. c. magnetic domain. d. permanent magnet.

The inertness of the noble gases is due to a. the outermost shell has six electrons. b. the bonds they form with other elements. c. the number of protons and neutrons. d.

Xander is gaining weight. Which best describes what he can do to prevent obesity? exercise every day and also make healthy choices in his diet excercise once a week but make no change in his diet exercise once a week and also make healthy choices in

The town in the video stressed using locally made goods instead of imported goods. How could using locally made goods lower CO2 emissions?

Calculate the ΔHrxn for the following reaction: CH4 (g) + 2Cl2 (g) - - > CH2Cl2 (g) + 2HCl (g) Use the following reaction and given ΔH's: CH4 (g) + Cl2 (g) - - > CH3Cl (g) + HCl (g), ΔH = - 99.

Select all that apply to diffusion. A solid cannot diffuse in to another solid. Solids can diffuse in liquids. Liquids can diffuse in liquids. It is the process of intermingling atoms from one substance into another.