Baslel
Baslel Baslel
  • 02-01-2022
  • Chemistry
contestada

how do we differentiate chemical change from physical change ​

Respuesta :

Betimak
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

see image for question
For the gaseous reaction below, the Kc value is 3.67. What is the Kp value at the same temperature? CO2 + H2 = CO + H20​
Use Green's Theorem to evaluate the line integral along the given positively oriented curve. ∫ c(y+e√x)dx+(2x+cosy2)dy, C is the boundary of the region enclosed
ANSWER...................... -2x+8x 4>−8
You want to find out how many atoms of the isotope 65Cu are in a small sample of material. You bombard the sample with neutrons to ensure that on the order of 1
Which fraction shows the probability that lily will flip a heads, a tails, and then heads again on a fair coin? a. 1/8 b. 1/6 c. 1/4 d. 1/2
Harding, Coolidge, and Hoover all believed in this economic doctrine, meaning "leave it alone," which said that the state should stay out of the economy: O Keyn
OMLLLL PLS HELP LOLLL OMG! Diana invests $4000 for two years at a rate of 2.5%. How much interest will she earn? a $200 b $4200 c $20 d $2,000
i need help pleeeeeeeeeease
Why might a justice want to write a broader majority opinion?