The weatherman reports that today will reach a high of 45°F.

Last updated: 7/24/2022

The weatherman reports that today will reach a high of 45°F. Your friend from Sweden asks what the temperature will be in degrees Celsius. What value would you report to your friend? 41. Your parents order an oven from England. The temperature dial on the new oven is calibrated in degrees Celsius. If you need to bake a cake at 350 °F in the new oven, at what temperature should you set the dial? 42. A German automobile's engine temperature gauge reads in Celsius, not Fahrenheit. The engine temperature should not rise above about 225 °F. What is the corresponding Celsius temperature on this car's gauge? 43. Your grandmother in Ireland sends you her favorite cookie recipe. Her instructions say to bake the cookies at 190 °C. To what Fahrenheit temperature would you set the oven to bake the cookies? 44. A gas has a boiling point of -175 °C. At what Fahrenheit temperature would this gas boil? 45. A chemist notices some silvery liquid on the floor in her lab. She wonders if someone accidentally broke a mercury thermometer, but did not thoroughly clean up the mess. She decides to find out if the silver stuff is really mercury. From her tests with the substance, she finds out that the melting point for the liquid is 35°F. A reference book says that the melting point for mercury is -38.87 °C. Is this substance mercury? Explain your answer and show all relevant calculations.