In the reaction 2h2 +o2 = what coefficient should be placed in front of h2o to balance the reaction

Explain why scientists use shared characteristics to make cladograms.

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

If two objects at different te,peraure are in contact with each other what happens to their temperature