"(a) Normally the human body can endure a temperature of for only short periods of time without permanent damage to the brain and other vital organs. What is this temperature in degrees Celsius? "

(a) Normally the human body can endure a temperature of 105F105∘F for only short periods of time without permanent damage to the brain and other vital organs. What is this temperature in degrees Celsius? (b) Ethylene glycol is a liquid organic compound that is used as an antifreeze in car radiators. It freezes at 11.5C−11.5∘C. Calculate its freezing temperature in degrees Fahrenheit. (c) The temperature on the surface of the sun is about 6300C6300∘C. What is this temperature in degrees Fahrenheit? (d) The ignition temperature of paper is 451F451∘F. What is the temperature in degrees Celsius?

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Video Transcript

Asked to do several temperature, conversions or first 105 degrees fahrenheit were asked to convert this to degrees celsius and i've written the 3 equations that we can use right here. So my degrees celsius will equal 5 over 9 times my fahrenheit degrees minus 32.10505. I can't get my 1 o 5 in here and that will equal 40.6 degrees celsius, ethelyn glychol freezes at negative 11.5 degrees c and we're going to convert that to degrees fahrenheit. So we use our degrees. Fahrenheit 9, divided by 5, enter times. Negative 11.5 enter plus 32 enter would be 11.3. That cannot be right. 9, divided by 5 times. 11.5 plus 32 is 11. Oh that's positive! 11.3. Of course it's right. I was looking at those 2 numbers and thinking then we're too close together, but that's negative. So i was crazy, see. Temperature of the surface of the sun is 6300 degrees c, and we are asked to convert these to fahrenheit degrees, fahrenheit and rounding this to 2 significant figures, which i don't know if i'm going to do here. Yes, i am, this would be 111000 degrees c and last but not least, 451 fahrenheit to degrees c. 451, minus 32 times 9 divided by 5, is 7754. Okay. Now i'm just going to check by mail real quick. So if you want to be done, you can be done. I'M checking meforty .6 is correct. I did something wrong here. I took at times 9 divided by 5. I did this wrong. My bad 451 minus 32 times 5 divided by 9, would be 233. That'S to the right number of segfig's. Now, let's my other 2, just checking real quick, hereand 63 concentrate done.

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