What bonds break? select that apply

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00 + 00 o0o o0o

2H2 + o2 2H2O

Hydrogen-Hydrogen

Hydrogen-Oxygen.

Oxygen=Oxygen (double bond)

Oxygen-Oxygen (single bond)

Hydrogen=Hydrogen (double bond)

As a person coughs the CO^2 exits the lungs at speed of about 30m/s, what is the KE?

What is the mass of. 15 moles of Na2S

How can the concentration of a solution be increased?

The chair position of the joint committee on taxation rotates between the chairs of what to committees?

Sodium oxide (Na2O) crystallizes in a structure in which the O2 - ions are in a face - centered cubic lattice and the Na + ions are in tetrahedral holes. What is the number of Na + ions in the unit cell? A) 2 B) 4 C) 6 D) 8 E) none of these

A rock has 12.5 percent of its original amount of potassium-40 remaining in it; potassium-40 has a half-life of 1.25 billion years. How long ago was the rock formed? A. 1.25 billion years ago B. 2.5 billion years ago C. 3.75 billion years ago D.

Calcium is an element. What is the smallest particle of calcium that has all the chemical properties of calcium?

Which is the best term to use when describing the energy of motion

The pka of hypochlorous acid is 7.530. a 54.0 ml solution of 0.114 m sodium hypochlorite (naocl) is titrated with 0.337 m hcl. calculate the ph of the solution

An atom has no overall charg if it contains equal number of