32. Water has a freezing point of \( 32^{\circ} \mathrm{F} \). Mercury has a freezing point that is \( 70^{\circ} \mathrm{F} \) lower. What is the freezing point of Mercury
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The freezing point of mercury can be calculated by subtracting 70 degrees from the freezing point of water. Since water freezes at \( 32^{\circ} \mathrm{F} \), we take \( 32 - 70 = -38^{\circ} \mathrm{F} \). Therefore, the freezing point of mercury is \( -38^{\circ} \mathrm{F} \). Fun fact: Mercury is the only metal that is liquid at room temperature! Its unique properties make it useful for thermometers and barometers, but when handling mercury, it’s essential to be cautious due to its toxicity.