Why do you think it is important to define the system and the surroundings?

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

Which locations on the map are low-pressure areas? a b c d e

What is a limitation of using a chemical formula, such as c6h1206, to represent a compound? the chemical formula does not show the types of elements that make up the compound. the chemical formula does not show how the atoms are connected to one another the chemical formula does not show the number of atoms of each element in a molecule. the chemical formula does not show the chemical symbols of the elements in the compound