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IS glass etching by Hydrofluoric

IS glass etching by Hydrofluoric acid a physical or chemical change?Thanks you
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2. asked by ss
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Hydrofluoric acid etches glass by reacting with the silica in it according to the following equation.H° = 54.5 kJ and S° =
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2. asked by Melissa
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If aqueous hydrofluoric acid is reacted withsodium hydroxide, which of the following sub- stances are in the net ionic equation?
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2. asked by cheri
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If aqueous hydroﬂuoric acid is reacted with sodium hydroxide, which of the following substances are in the net ionic equation?
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2. asked by Adam
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In ion-assisted etching process, CHF3 is used in:Dry etching of silicon dioxide Dry etching of silicon nitride Wet etching of
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2. asked by MEMS
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How can the amount of copper-containing waste produced during the etching process be reduced?A. Increase the concentration of
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What is the pH of a buffer solution that is made by adding 21.0 grams of sodium fluoride to 1.00 Liter of 0.15M hydrofluoric
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2. asked by dennis
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What is the pH of a buffer solution that is made by adding 21.0 grams of sodium fluoride to 1.00 Liter of 0.15M hydrofluoric
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2. asked by Dennis
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What is the pH of a buffer solution that is made by adding 21.0 grams of sodium fluoride to 1.00 Liter of 0.15M hydrofluoric
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2. asked by D.J.
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How does a printed line from a woodcut differ from the printed line of an etching?a. The woodcut's line is thicker; the
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2. asked by ASL <3
3. 166 views