02-01-2022
Chemistry

contestada

how do we differentiate chemical change from physical change

Respuesta :

Betimak Betimak

02-01-2022

Answer:

Chemical change :has change in mass, heat is needed, new element is formed, hard to reverse.......

Physicalchange:does not have change in mass, heat is not necessary, no new element is formed, easy to reverse

Answer Link

Otras preguntas

which ten thousand does 117,290 round to

The number is b less than 10

Salva’s character is developing as the story progresses. What is one thing about Salva’s character that you think is changing? Story long walk to water

Need help plz answer thank you!

o The ratio of cars to motor bikes passing a certain intersection is found to be 7:2.if 63cars and motor bikes pass the intersection, how many might be motor bi

II. Short Answer Latha is Z years of age now. 6 years ago, what was her age? 1. Convert in to algebraic statement: 56 added to 2 times x'. 2. Convert into verba

Explain the work of a river at mature stage.

You have a 5.8 ml sample of mercury. What is the mass of your sample?

What are the x-intercept and the y-intercept of this function? f(x) = 3x + 15

The newton is defined as the: A. Force of gravity acting on a one kilogram object at Earth's surface. B. Speed of an object when under the influence of Earth's