Which two physical properties are used to describe matter? A Mass and reactivity
B Weight and toxicity
C Volume and pH
D Mass and volume

Based on the law of conservation of energy, which statement is false? answer- energy is lost when machines dont work right

Select the correct answer. which phrase correctly describes temperature? o a. average rotational kinetic energy of the particles in an object o b. average energy of the particles in an object c. average translational kinetic energy of the particles in an object od. all energy possessed by the particles in an object

When you perform this reaction, what could remain at the end of the reaction? check all that apply. excess reactant aqueous copper chloride excess reactant aluminum oxygen product solid copper carbon dioxide product aqueous aluminum chloride water