3 years ago

Why is7/2 ther in this equation and what can i do to make it a whole no? C3H8+7/2O2→3CO+4H2OC3H8+72O2→3CO+4H2O

1 answer:

6 0

You can Multiply the whole equation with 2 as it is the denomanot number of 7/2.Therefore,the denomanator will be canceled out with 2 and the number of 7/2 will become 7.
Steps by Steps solution:
C3H8+7/2O2→3CO+4H2OC3H8+72O2→3CO+4H2O
=2×(C3H8+7/2O2→3CO+4H2OC3H8+72O2→3CO+4H2O)
=2C3H8+7O2→6CO+8H2OC3H8+144O2→6CO+8H2O

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Which would be the nobel gas preceding Tin?

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Answer: The noble gas preceding tin is Krypton [Kr].

Explanation: Atomic Number of tin is 50 , Atomic Number of neon is 10, Atomic Number of argon is 18, Atomic Number of krypton is 36 and Atomic Number of xenon is 54.

Atomic number tells us the number of electrons present in the atom.

Thus the electronic configuration of tin according to increasing energy of orbitals is written as $[Kr]4d^105s^25p^2$ .