A chemical reaction, where more energy is released than is needed to get the reaction started, is called?

A)

A really amazing reaction

B)

Endothermic

C)

Exothermic

D)

Non-reactive

What is the Calcium iodine cation formula?

The graph shows the temperature of a pure substance as heat is added to it. Label each statement with the correct number. liquid boiling only solid present only gas present mixture of solid and liquid present liquid being heated

Suppose a 10.0 L reaction vessel is filled with 0.86 mol of BrOCl and 0.86 mol of BrCl. What can you say about the composition of the mixture in the vessel at equilibrium?

A compound made of two elements, iridium (Ir) and oxygen (O), was produced in a lab by heating iridium while exposed to air. The following data was collected: Mass of crucible: 38.26 g Mass of crucible and iridium: 39.

Increased concentration generally increases the reaction rate A.) True B.) False

Food deteriorates more slowly in a refrigerator because

What occurs in a chemical reaction? Products are formed from reactants by the breaking and forming of new bonds. Products are formed without chemical bonds being broken. Reactants are formed without chemical bonds being broken.

What information does the atomic mass of an element provide

The following diagram represents a vertical cross section of sedimentary rock layers that have not been overturned. Which principle best supports the conclusion that these layers have undergone extensive movement since deposition?

What kind of ions do a sodium atom and a chlorine atom become when a valence electron is transferred from one to the other?