Calculate the relative formula mass (Mr) of ammonium nitrate. Relative atomic mases: H = 1, N = 14, O = 16

Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o

Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?