Calculate the molar mass of : mgs04 + 7h20 reacta cacl2 + 2h20

In which of these cases are the two wave points considered to be in phase with each other?

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

The rules of engagement (roe) working group is often used to (select all that apply.)