Are 2 polar molecules strongly attracted to each other

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

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)

Why does his teacher ask him to balance the equation by including the correct coefficient