Physics, 17.01.2020 14:31, summerjoiner

Substance a will not dissolve in water. what can be said about substance a?
it is nonpolar.
it is polar.
it is saturated.
it is unsaturated.

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 23:30, southerntouch103

A175 g lump of molten lead at its melting point (327 c) is placed into 55.0 g of water at 20.0 c. the specific heat of lead is 130.j/kg c and the hf of lead is 20,400 j/kg. when the lead and the water have reached equilibrium, what is the temperature of the mixture?

Answers: 3

continue

Physics, 22.06.2019 06:30, bluevibe

2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.

Answers: 2

continue

Physics, 22.06.2019 16:40, odalysesquermon

The force needed to overcome static friction is usually less than that needed to overcome kinetic friction. true or false?

Answers: 1

continue

Physics, 22.06.2019 19:20, anaiyamills

Two kilograms of air within a piston–cylinder assembly executes a carnot power cycle with maximum and minimum temperatures of 800 k and 300 k, respectively. the heat transfer to the air during the isothermal expansion is 60 kj. at the end of the isothermal expansion the volume is 0.4 m3. assume the ideal gas model for the air. determine the thermal efficiency, the volume at the beginning of the isothermal expansion, in m3, and the work during the adiabatic expansion, in kj.

Answers: 1

continue

Do you know the correct answer?

Substance a will not dissolve in water. what can be said about substance a?
it is nonpolar.