What does AS< 0 mean in a reaction?

A. The reaction was exothermic.

B. The reaction increased in order.

C. The reaction is at equilibrium.

D. The reaction was endothermic.

What are particles of carbon otherwise known as, and what kind of pollution do they cause?

What is each vertical column of elements in the periodic table called? A. row B. list C. group D. period

Identify three factors that characterize aquatic systems

In order for either ethyl or isopropyl alcohol to be considered a general purpose disinfectant it must have what percent alcohol content?

Which of the following is not descriptive of the pH scale? It measures the amount of hydrogen ions in a solution. 7.0 represents a neutral solution. A value below 7.0 represents a basic solution. It measures the acidity of a solution.

What are some ways that groundwater is used in the United States currently?

Atoms which have lost one electron from their outer shell are called what

What is the relationship between pH and H concentration

Select the correct answer. Consider an atom that has an electron in an excited state. The electron falls to a lower energy level. What effect does that have on the electron? ОА ОВ. The electron releases energy in the form of light.

What is the volume in milliliters of 350 m koh needed to completely neutralize 15.0 ml of a. 250 m h2so4 solution?