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True or False: A. When atoms bond covalently energy is released B. All the carbon to carbon...

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Chemistry

True or False:

A. When atoms bond covalently energy is released

B. All the carbon to carbon bonds in benzene are the same.

C. A mole of NH3 and a mole of H2O weigh the same.

D. ice is denser than liquid water.

E. In organic compounds C atoms have 4 covalent bonds.

F. Water is a nonpolar compound.

G. Diamond, graphite, and fullerene are all forms of carbon.

H. All spontaneous chemical reactions are exothermic.

I. C4H8 is a saturated compound

J. When liquid water freezes heat is liberated.

Answer & Explanation Solved by verified expert
3.7 Ratings (481 Votes)
A When atoms bond covalently energy is released True Because energy of newly formed molecule is lower than the energy of parent atoms B All the carbon to carbon bonds in benzene are the same True Due to resonance between single and double bonds    See Answer
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