Dry ice (carbon dioxide) changes from a solid to a gas at -78.5^$\circ$C. What is this temperature in ^$\circ$F A) -173^$\circ$F B) -12.6^$\circ$F C) -109^$\circ$F D) -75.6^$\circ$F E) none of them are within 2^$\circ$F of the right answer

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Quizplus · Accepted Answer

To convert from Celsius to Fahrenheit, use the formula F = (C * 9/5) + 32. For -78.5°C, the calculation is (-78.5 * 9/5) + 32 = -109.3°F, which rounds to -109°F.

Dry Ice (Carbon Dioxide) Changes from a Solid to a Gas