In which type of chemical reaction do two or more substances combine to form one substance?

synthesis

decomposition

single replacement

double replacement

What element is found in liver and red blood cells and is needed to prevent anemia

The combined gas law sets up a relationship between which of the following? A. pressure and temperature only B. volume and temperature only C. volume and pressure only D. pressure, volume, and temperature

Osmosis is defined as the movement of A. Molecules from high concentration to a low concentration B. Water molecules from a high concentration to a low concentration through a selectively permeable membrane C.

Alchemist made which of the following contributions to the development of chemistry?

What does the reaction rate say about a reaction?

Briefly compare and contrast the relative resistance to ph change of the seven solutions

What is the pH of pure water

What is the molar mass, in grams, of a mole of an element equal to? O A. the number of electrons in the element O B. the atomic weight of the element OC. the atomic number of the element OD. the number of neutrons in the element

What substance is not a compound

Consider the following exothermic reaction and predict how the change below will affect the concentration (increase, decrease, stay the same) of each component in the system as the equilibrium is reestablished.