brynhastbrook brynhastbrook

05-10-2016
Physics

contestada

What's the difference between a physical and chemical change and how do you know which is happened ?

Respuesta :

Mkayla25 Mkayla25

05-10-2016

A physical change in a substance doesn't change what the substance is. In a chemical change where there is a chemical reaction, a new substance is formed and energy is either given off or absorbed.

Answer Link

Otras preguntas

find each percent increase round to the nearest percent from $5 to $8

What is 575% written as a mixed number?

Federalist Papers: a. were written to persuade the public to support ratification of the constitution. b. both a and c are correct c. were an attack against the

how was the worl started

Which river did the United states claim was the border between Texas and Mexico.Which river did Mexico claim was the border

Twenty-five percent of what number is 10? 40 24 48 2.5

you are adding 3 2/3+2 2/3 using fraction strips explain how you rename the fraction part of the problem

Which of these is an example of a random sample? A.Every twentieth caller to an independent radio station receives tickets to a concert. B.Customers buying a ne

When evaluating a Website, which of the following statements might indicate the site is based on the author’s opinion instead of factual information? a. “Resear

9 divided by 841 remainder form?

Q&A Education