CarmelBeard CarmelBeard

04-06-2015
Chemistry

contestada

Which change is exothermic?
(1) freezing of water(2) melting of iron(3) vaporization of ethanol(4) sublimation of iodine

Respuesta :

lulu1991 lulu1991

25-06-2015

The answer is (1) freezing of water. The energy of different status is increase from solid to liquid to gas. So the change of liquid to solid is exothermic. The other three are endothermic.

Answer Link

Otras preguntas

what is the result of 4 - ³× (¼²

Nonmetals are defined as elements that generally cannot conduct _____ and are poor conductors of heat.

Write the equation of the line that passes through the points (2,-6)and (8,−2). Put your answer in fully reduced point-slope form, unless it is a vertical or ho

He was the Supreme Commander of Allied troops in Europe and the executor of the D-Day invasion.

Can you construct a quadrilateral with angle measures of 65, 65, 75 and 80 degrees? Explain your reasoning

giving brainly to correct answer

Find the value of x (Angles)

HELP PLS FAST !!!!!!!!!!!!!!!!!

Which of the choices listed is a source of electricity production? I NEED AN EXPLANATION coal wind the Sun all of these

If you were interested in being part of an emergency crew with knowledge and practice in the fundamentals of emergency medical care, to which area would you app