goldenyeboah goldenyeboah

26-03-2020
Chemistry

contestada

Which of the following involve chemical changes?
1. a carrot being digested
2. a piece of wood burning
3. a piece of chocolate melting

Respuesta :

thistleBranch thistleBranch

26-03-2020

1 and 2 are both chemical changes because they can not be reversed while 3 is only changing states and can be reversed by freezing the melted chocolate.

Answer Link

Otras preguntas

which two land features surround mesopotamia ,identifying

what is 403.608 in word form

Insulin is a protein that is used by the body to regulate both carbohydrate and fat metabolism. A bottle contains 525 mL of insulin at a concentration of 50.0 m

pls help quick question 1Which expression represents this word phrase eight less than the quotient of x and 3 A. x/3−8 B.3x−8 C. 8−x/3 D. x−8/3 question 2 . Tay

what is the solution set of the following equation 4/5x^2=2x-4/5

What is the meaning of the prefix im or in?

Have a question!!! Need help!!!!!! Are these correct???? Or Not????

how to regroup 378x6. pls help mev

Use standard notation to write this number. 4.045x10^-3

What postulate that specifies the minimum number of points in space