The heat of vaporization of a liquid is 1344 J/g. What is the number of joules needed to change 40 g of liquid to vapor at the boiling point? A. 33.6
B. 53760
C. 90400
D. 224717

Endeleev saw trends in the physical and chemical properties of elements when he organized them by

Which of these best describes an ionic bond?

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