What information does a compound's empirical formula give us? A) The elements that are involved, and in which ratio they have combined

B) The exact number of atoms of each element that have combined

C) B only

D) A and B​

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

What is the value of keq for the reaction expressed in scientific notation?