Calculate the number of atoms needed to balance the following equation: caco3+hcl-> co2+h2o+cacl. (number 3 on my paper)

Smog is the term used to describe the combination of fog and smoke

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

What is the independent variable in this investigation? mass volume sample number substance density