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I am in 9th grade. Please forgive me if I ask any dumb questions. So, I was studying about gas laws and I came across an equation

$$\frac{p_1V_1}{T_1} = \frac{p_2V_2}{T_2}.$$

I wondered if there is such an equation for solids and if there is what should be the pressure so that ice remains as ice at 1000° C?

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    $\begingroup$ Hello and welcome to Physics StackExchange. There is no such thing as a dumb question. Could you please clarify in which context you encountered the equation your question is about. This would be very helpful to provide an answer for your question. $\endgroup$
    – jan0155
    Commented Nov 14, 2022 at 10:32
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    $\begingroup$ Water ice cannot be kept in its solid form via pressure. Due to its anomalous density dependence, it will liquify under pressure, both from solid (ice skating) and gaseous (pressure cooker) phases. Though there might be some more exotic solid ultra-high pressure phases with even higher density than liquid water $\endgroup$
    – tobalt
    Commented Nov 14, 2022 at 10:53
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    $\begingroup$ Look a this picture of water 's phase diagram upload.wikimedia.org/wikipedia/commons/0/08/… it shows phases up to 350C and it is ice VII above 200kbar and the curve between liquid and ice VII is nearly linear between 70C and 350C, so it may still go up to 1000C but I cannot find data for that. $\endgroup$
    – hyportnex
    Commented Nov 14, 2022 at 11:04
  • $\begingroup$ Ice VII isnt stable above a few 100 °C. more extensive phase diagram here: researchgate.net/figure/… $\endgroup$
    – tobalt
    Commented Nov 14, 2022 at 11:11
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    $\begingroup$ have you asked your teacher? $\endgroup$
    – Bob D
    Commented Nov 14, 2022 at 11:56

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