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 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

what is -1.716 as a fraction?
Oxygen is denoted as 16O8. How many protons and neutrons does an oxygen atom have?
Carine is 7 years older than her brother. Three years ago, their total age was 43 years. What will be Carine's age in 12 years' time?
what number must be added to 15,-6,& 12 to have a mean of 5? EXPLAIN!!
A professional baseball team won 84 games this season.  The team won 14 more games than it lost.  There were no ties.  How many games did the team lose?  How ma
Oxygen is denoted as 16O8. How many protons and neutrons does an oxygen atom have?
Which passage is chronological???
Similarities between dance drama and other forms of drama
Through (-2, -2) parallel to 2y-x=7
help me please 1-6 I've been having a hard time with these