Carbon dioxide fire extinguishers were developed to fight fires where using water would be hazardous. What effect does the carbon dioxide have on a fire?

A) changes the mole ratio of the reactants.

B) decreases the potential yield of the reaction.

C) slows the reaction by limiting the reactant oxygen.

when [oh-] is 10-5  m, and [h3o+] is 10-9  m, the poh is 5 and ph is 9. again in both cases the sum of ph and poh is 14. however, the hydrogen ion concentration is not always going to be equal to exactly 1 x 10 raised to a negative number. for example, we skipped over the value of 2.0 x 10-7.

the solar system used to have much dust particles option no d

un recipient conține 6,4 moli de gaz. gazul hidrogen reprezintă 25% din totalul kilometrilor din container. în cazul în care presiunea totală este de 1.24 atm ceea ce este