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chemistry

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Glass A has a composition of 90% SiO2 - 10% Na2O. Glass B has a composition of 99% SiO2 - 1% Na2O. Both glasses are cooled to room temperature at the same rate.

(a) Which glass has the higher Tg?


Glass A
Glass B
(b) Which glass has the lower free volume?

  • chemistry -

    A) glass B
    B) glass A

  • chemistry -

    Thanks!

    Which of the following will increase the strength of a sample of 90% SiO2 - 10% MgO

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