A 5 microcoul point charge is at the origin, and a point charge q2=-2 microcoul is on the x-axis at (4, 0) m. Find the electrical potential due to these charges at a point with coordinate (0, 3) m.

We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation

The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water

Explain what happens at the saturation point when adding salt to water at room temperature.