barnettcooper04 barnettcooper04

03-01-2018
Chemistry

contestada

What does every chemical reaction involve?
A change in concentration.
A change in mass.
A change in state.
A change in energy.

Respuesta :

nafisiqbal nafisiqbal

03-01-2018

D. A change in energy.

Answer Link

williamheredia4 williamheredia4

03-01-2018

Chemical reactions involve breaking bonds in reactants and forming new bonds in products. Breaking bonds requires energy, and forming bonds releases energy.

Answer Link

Otras preguntas

Describe three different measures that can be obtained from a single age distribution graph comparing males and females of a given population.

Which statement is most likkely to applyto a cell that has DNA whitin its ytoplasm

please help me guys im desprate at this point

Find the measure of the indicated angle to the nearest degree.

QUESTION 9 What should be included in the total measurement of output? O a. Formed stools. O b. Perspiration. C. Emesis. O d. Sputum.

What are the coordinates of point S"?

Kevin baked 44 cookies. His family ate d of them. Using d, write an expression for the number of cookies that remained

please solve no k and m.

what is extrusive rock

5. A number, when divided by 296, gives 75 asthe remainder. If the same number is divided by 37 then the remainder will be