Mean temperature difference in an exchanger. a 1-2 exchanger with one shell pass and two tube passes is used to heat a cold fluid from 37.8 c to 121.1 c by using a hot fluid entering at 315.6°c and leaving at 148.9℃ calculate the δτǐn and the mean temperature difference δ7, in k. δ7," = 148.9 k.37,-131.8 k

pure water does not conduct electricity very well. however, when certain substances are dissolved in water, the solution does conduct electricity. you can make a simple device that shows how well a solution conducts electricity. this device uses a flashlight bulb to indicate how well the solution conducts electricity. the better the solution conducts electricity, the brighter the bulb will glow.

explanation:

honesty and integrity.

inspire others.

commitment and passion.

good communicator.

decision-making capabilities.

accountability.

delegation and empowerment.

creativity and innovation.

here are the traits of a good leader.i'm not going to give you the examples so you can copy right it.that's illegal but i hope that this you out.