3kg of saturated liquid water, contained in a rigid container at p = 1.5 bar, is heated by a 80 w heater. a) what will the phase of the water be after a brief period of heating? argue your case using an annotated sketch of the process on a p-v or t-v diagram. b) how long will the heat need to be applied for it to raise the pressure to 200 bar? c) give an estimate for the average specific heat at constant volume, cv, of the water for the duration of this process - based on the changes in specific internal energy and temperature of the water in the process.

Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?

A3.9 g aluminum foil ball with a charge of +4.1×10−9 c is suspended on a string in a uniform horizontal e⃗ field. the string deviates to the right and makes an angle of 30∘ with the vertical. part a part complete what information about the e⃗ field can you determine for this situation? what information about the field can you determine for this situation? only the magnitude of e⃗ only the direction of e⃗ both the magnitude and the direction of e⃗ none of the above previous answers correct part b determine the magnitude of the electric field. express your answer with the appropriate units. e e = nothing nothing request answer part c determine the direction of the electric field. determine the direction of the electric field. to the right to the left away from you toward you

How many atoms of nitrogen are in the chemical formula ni(w on