Calculate the amount of energy (in kj) necessary to convert 277 g of liquid water from 0°c to water vapor at 167°c. the molar heat of vaporization (hvap) of water is 40.79 kj/mol. the specific heat for water is 4.184 j/g · °c, and for steam is 1.99 j/g · °c. (assume that the specific heat values do not change over the range of temperatures in the problem.)

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