Which law can be used to calculate the number of moles of a contained gas?

Calculate the water pressure in the pipes at the bottom of a high-rise building that is fed by reservoir 60 m above the roof top

Human activity influences the hydrology of a drainage basin. All but one identifies how urban developed areas often contribute to flooding. That is:

A hollow pipe is submerged in a stream of water so that the length of the pipe is parallel to the velocity of the water.

What do you call the process by which an electrical current is used to neutralize the magnetic field around a ship's hull in order to avoid detection by magnetic sensors?

A scientist is conducting research to determine how much pressure a dam can withstand. Why are good observations important to his research?

On his fishing trip Justin takes the boat 25 km south. The fish aren't biting so he goes 10 km west. He follows a school of fish 15 km north. What distance did he cover? What was his displacement?

n open rectangular tank is filled to a depth of 2 m with water (density 1000 kg/m3). On top of the water there is a 1 m deep layer of gasoline (density 700 kg/m3). The width of the tank is 1 m (the direction perpendicular to the paper).

Is the sun considered a star?

If I get a spare in one frame and then roll a 1 and 5 in the next frame, what would my score for the spare be? A 10 B 11 C 16 D17

2x^2:3=dg solve for x