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frozen [14]
2 years ago
11

The presence of which ion usually produces a colored solution? A. K+

Chemistry
1 answer:
notsponge [240]2 years ago
4 0
C. Fe2+ is the answer
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Label the picture, please
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(in the pic above)

Explanation:

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2 years ago
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Determine the amount of heat (in kj) required to vaporize 1.55 kg of water at its boiling point. for water, δhvap
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Heat required to vaporize 1 mol of water from water at 100C to steam at 100C = 40.7 kJ 
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</span><span>Heat required to vaporize :
</span>= 86.03 mol  x <span>40.7 kJ 
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= 3501.421 kJ
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3 years ago
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