Why do you think moles are important for stoichiometry?

Does the energy in a solid increase or decrease when changing to a liquid?

This drawing shows a human body system. what is the primary function of this body system?

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)