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Genrish500 [490]
3 years ago
9

Is there any cute boys with brown hair -^^-

Chemistry
2 answers:
spayn [35]3 years ago
6 0

Answer:

here

Explanation:

Tatiana [17]3 years ago
4 0

Answer:

Why do you do this....................

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if we react 117 grams of sodium chloride with 340 grams of silver nitrate in a complete reaction what will be the mass, in grams
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Two parent reproduction involves cell division that includes ___________? *
Anettt [7]

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Mitosis

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3 years ago
Given the standard heats of reaction
ANTONII [103]

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Explanation:

M(s) → M (g ) + 20.1 kJ --- ( 1 )

X₂ ( g ) → 2X (g ) + 327.3 kJ ---- ( 2 )

M( s) + 2 X₂(g) → M X₄ (g ) - 98.7 kJ ----- ( 3 )

( 3 ) - 2 x ( 2 ) - ( 1 )

M( s) + 2 X₂(g) - 2 X₂ ( g ) - M(s)  → M X₄ (g ) - 98.7 kJ -  2 [ 2X (g ) + 327.3 kJ ] - M (g ) - 20.1 kJ

0 = M X₄ (g ) - 4 X (g ) - M (g ) - 773.4 kJ

4 X (g ) +  M (g ) =  M X₄ (g ) - 773.4kJ

heat of formation of M X₄ (g ) is - 773.4 kJ

Bond energy of one M - X bond =  773.4 / 4 =  193.4 kJ / mole

6 0
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Picture a neutral S atom. This neutral atom will have
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