How can you tell which end of a molecule is positive and which is negative? how do you label the dipole-dipole relationship?

In this synthesis reaction what products will form

Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone