Which option identifies all the bonds broken during this chemical reaction? D
2H, + 02
2H 0
A. The bonds between the two hydrogen atoms
B. The bonds between the two hydrogen atoms and between the two
oxygen atoms
C. The bonds between the two oxygen atoms
D. The bonds between the oxygen and hydrogen atoms

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth

Idont understand it 1.what is the boiling point of a solution of 675 grams of ethylene glycol (c2h6o2) in 2.50 liters of water?