What energy conversion in your body enables you to get out of bed in the morning? a. kinetic energy to potential energy b. chemical energy to heat energy c. heat energy to kinetic energy d. chemical energy to kinetic energy

Jose and eric were given four samples in lab. the results of their analysis are shown in the table. based on the data they collected, which sample is most likely a metal?

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.

Analyze the reaction to determine whether the reaction is exothermic or endothermic. explain your reasoning.