Water at 4.4°c is to flow through a horizontal, commercial steel pipe having a length of 305 m at the rate of 150 gal/min. if a head of water of 6.1 m is available to overcome the friction loss f, calculate the pipe diameter.

What is the percentage of hydrogen in nitrogen trihydride

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)

The diagram shows the relationship between scientific disciplines.the names of some scientific disciplines have been removed from the boxes. which scientific discipline belongs in the blue box? a.physics b.biology c.chemistry d.metallurgy