SiO₂(s) + 4HF(g) SiF4(g) + 2H₂O(g) ect on [SiF4] when (a) H₂O(g) is removed; (b) some liquid water is added; (c) removed

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Chapter8: Thermochemistry
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6. In a study of glass etching, a chemist examines the reaction between sand (SiO₂) and hydrogen fluoride at
150°C:
SiO₂ (s) + 4HF(g) SiF4(g) + 2H₂O(g)
Predict the effect on [SiF4] when (a) H₂O(g) is removed; (b) some liquid water is added; (c) HF is removed; (d)
some sand is removed.
Transcribed Image Text:6. In a study of glass etching, a chemist examines the reaction between sand (SiO₂) and hydrogen fluoride at 150°C: SiO₂ (s) + 4HF(g) SiF4(g) + 2H₂O(g) Predict the effect on [SiF4] when (a) H₂O(g) is removed; (b) some liquid water is added; (c) HF is removed; (d) some sand is removed.
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