B0rusjoyva8speh B0rusjoyva8speh

22-05-2016
Chemistry

contestada

If a substance changes from one phase to another, is it still same substance? why

Respuesta :

BreannaK BreannaK

22-05-2016

When you boil water, you aren't changing the elements. You're just making water vapor. However, when you burn paper, it becomes carbon (mostly). So physical changes will not change the substance, only chemical changes will.

Answer Link

Otras preguntas

Classify the polynomial 3x^5 by degree A: cubic B:quadratic C:quintic D:quartic

Drag the correct steps into order to evaluate 42 + t/6 for t = 12.

Can someone plzzz help meh 15 points and Brainliest!!!!! show work plzzzz. Consider the infinite geometric series 8 sigma n=1 -4(1/3) ^n=1. In this image, the l

the nth term to a sequence n+7 first 3 terms

Describe two jobs where proofreading is an important skill.

Which texture gained prominence in seventeenth-century venice?

This excerpt best illustrates Kurt Vonnegut’s message that

What is the probability of drawing a heart from a standard deck of cards on a second draw, given that a heart was drawn on the first draw and not replaced? A

Please help I have 2 questions. Thank you.

Which is not a problem that Native Americans face on reservations today? lack of jobs poverty war with settlers alcoholism