A pressure difference is required for a viscous fluid to flow through a pipe. Which of the following would likely cause the biggest increase in the flow rate of the fluid assuming the pressure difference is kept the same? a. Increasing both the diameter and the length of the pipe
b. Increasing the diameter of the pipe and decreasing the length of the pipe
c. Decreasing the diameter of the pipe and increasing the length of the pipe
d. Decreasing both the diameter and the length of the pipe

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2

Amoving company collects data about couches they move and displays the data in a table. the force along the ramp, the angle of the ramp, and the height the couch is raised to are shown. which statements correctly compare the work done to move the couches? check all that apply. the same amount of work is done for couches 1 and 3. the same amount of work is done for couches 2 and 3. the work for couch 1 is greater than the work for couch 2. the work for couch 2 is less than the work for couch 3. the work for couch 3 is greater than the work for couch 1. the work for couch 2 is greater than the work for couch 1.

Atank is filled with an ideal gas at 400 k and pressure of 1.00 atm . part a the tank is heated until the pressure of the gas in the tank doubles. what is the temperature of the gas?