williamsshanitowec69 williamsshanitowec69

24-10-2018
Chemistry

contestada

A student boils 9.43 grams of an unknown substance into vapor. If completely vaporizing the substance required 8,720 joules of energy, what is the heat of vaporization?

Respuesta :

kenmyna kenmyna

02-11-2018

The heat of vaporization is =924.71 j/g

explanation

Heat of vaporization is amount of heat require to vaporize 1 gram of a substance.

Heat of vaporization required is therefore=8720 joules/9.43 grams=924.71 j/g

Answer Link

bmoulton21 bmoulton21

19-03-2019

The heat of vaporation is 924.

Answer Link

Otras preguntas

Which polynomial function could be represented by the graph below? F(x)=x^2+x-2 F(x)=2x^2+2x-4 F(x)=x^2-x-2 F(x)=2x^2-2x-4

assume there are no increases in labor, education, or technology. if the capital stock in this economy is currently 9, is this economy above, below, or at its s

for rayleigh winds with an average wind speed of 8 m/s: a. how many hours per year do the winds blow at less than 13 m/s? (5') b. how many hours per year are wi

after traveling through the right axillary vein, where does blood travel immediately to next? a. median cubital vein b. right brachial vein c. right brachioceph

What big ideas have survived from freud’s psychoanalytic theory? in what ways has freud’s theory been criticized?.

Rewrite one fourteenth times x cubed times y plus three fourteenths times x times y squared using a common factor.

A force of 100,000 N is applied to a 10 mmx20 mm iron bar having a yield strength of 400 MPa and a tensile strength of 480 MPa. Determine whether the bar will

Describe a situation where a health care employee should not try and put out a fire in a health care facility.

What is the pH of a 1.63 M solution of methylamine? Report your answer to 2 decimal places.

What is the mass of 5.36 mol of ammonia vapor (NH3)? Answer in units of g.