Given these reactions:

1 answer:

Liula [17]3 years ago

3 0

Answer:

-304kJ

Explanation:

;)

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inessss [21]

Answer:

They display the number of valence electrons surrounding an element or compound.

Explanation:

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saul85 [17]

Answer:

Air is a qualified element

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pentagon [3]

Attractive forces between particles

8 0

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kari74 [83]

Answer:

10.5 kl

Explanation:

$1.05*10^7ml\\=\frac{1.05*10^7}{10^3}l\ [1 ml= 1/1000 l]\\=1.05*10^4\\=10500 l\\=\frac{10500}{1000} l\ [1l=1/1000kl]\\=10.5 kl$

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3 years ago

slega [8]

Answer:

P7F8

Explanation:

correct formula isP7F8

7 0

3 years ago