Seudónimo Seudónimo

26-12-2016
Chemistry

contestada

A kernel of popcorn contains a small amount of water and when heated the popcorn pops. How can you explain this to someone?

Respuesta :

kaevras kaevras

26-12-2016

The small amount of water is evaporated and turned in to steam. Due to this expansion, pressure builds up inside of the kernel, and once that pressure is of a large enough magnitude, the kernel "pops", allowing for the steam to escape. Thus, a piece of popcorn is formed.

Answer Link

Otras preguntas

5 POINTS Which physical property is observed when seeing a mineral sparkle when shining a flashlight on the mineral? Cleavage Hardness Luster Streak color

Mass (g) 4.25 g 7.48 g Initial Volume of Graduated Cylinder (mL) 7 mL 6 mL Final Volume of Graduated Cylinder (mL) 7.5 mL 7 Object Volume (mL) .5 mL 1 Density (

Which sampling plan would give you the most valid data for understanding students' favorite food at your middle school? Asking 6th, 7th, and 8th grade student

How were the Americans drawn into World War ll?

Recommendations A Math Algebra 1 > S.18 Standard form: find X- and y-intercepts BSN Find the x-intercept of the following equation. Simplify your answer. 3x

Nikki said hello to her professor in the hallway, but her professor did not respond. Nikki spent the rest of the day worrying whether she would pass the class a

The president and founder of a high-tech start-up firm contacted the vice president of HR at the company because she wanted to better understand federal employm

Secretion of __________ is increased in response to stress.

Construct a three-step synthesis of 2-methyl-2-butanol from 3-methyl-2-butanol by dragging the appropriate formulas into the bins. Note that each bin will hold

(Connexus)Throughout this unit, you have participated in physical activities of your choosing. Your options include Connections Academy Fitness, Vinyasa Yoga, a