If the entropy change for a system at 100.0 c is - 20.0 J/K, then which of the following describes the heat?

A) 2.00 kJ heat added

B) 2.00 kJ heat removed

C) 7.46 kJ heat added

D) 7.46 kJ heat removed

What is efficiencywhat is the formula of mechanical advantage and velocity ratio of labour

On the Celsius scale what temperature does water boil

Three forces act on an object. a 3 n force acts due east and a 8 n force acts due north. if the net force on the object is zero, what is the magnitude of the third force?"

How can I find the frequency of sound waves?

A force that acts on rock to change its shape or volume is called a. an aftershock. b. friction. c. liquefaction. d. stress.

One job of the ___ gland is to secrete hormones that begin the production of eggs and sperm.

Given: An unbroken length of size 12 AWG conductor is looped inside a junction box so that there is more than 12 inches of free conductor. The conductor is not spliced and does not terminate on a device.

More damage is done and more life is endangered in a head-on collision of two cars, each traveling at 30 mph, than in a car crashing into a brick wall at 30 mph because:

What's the difference between an electron cloud and orbital

Two energy resources that do not depend on the sun's energy