The boiling point of liquid hydrogen is 20.3 K at atmospheric pressure. What is this temperature on (a) the Celsius scale and (b) the Fahrenheit scale?
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The boiling point of liquid hydrogen is 20.3 K at atmospheric pressure. What is this temperature on (a) the Celsius scale and (b) the Fahrenheit scale?
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- A person taking a reading of the temperature in a freezer in Celsius makes two mistakes: first omitting the negative sign and then thinking the temperature is Fahrenheit. That is, the person reads – x °C as x °F . Oddly enough, the result is the correct Fahrenheit temperature. What is the original Celsius reading? Round your answer to three significant figures.Researchers in the Antarctic measure the temperature to be -33°F. What is this temperature on the following scales? (a) the Celsius scale °C (b) the Kelvin scale KA hot-air balloon has a volume of 1100 m³. The density of air at 20 ⁰C is 1.205 kg/m³. The density of hot air inside the balloon at a temperature of 100 ⁰C is 0.946 kg/m³. How much weight can the hot-air balloon lift (including the balloon itself)?
- Normal room temperature is about 71 degree Fahrenheit. What is the equivalent temperature on the Celsius scale ?Temperatures in Biomedicine. (a) Normal body temperature. The average normal body temperature measured in the mouth is 310 K. What would Celsius and Fahrenheit thermometers read for this temperature? (b) Elevated body temperature. During very vigorous exercise, the body’s temperature can go as high as 40OC. What would Kelvin and Fahrenheit thermometers read for this temperature? (c) Temperature difference in the body. The surface temperature of the body is normally about 7CO lower than the internal temperature. Express this temperature difference in kelvins and in Fahrenheit degrees. (d) Blood storage. Blood stored at 4.0OC lasts safely for about 3 weeks, whereas blood stored at -160OC lasts for 5 years. Express both temperatures on the Fahrenheit and Kelvin scales. (e) Heat stroke. If the body’s temperature is above 105OF for a prolonged period, heat stroke can result. Express this temperature on the Celsius and Kelvin scales.On a nice winter day at the South Pole, the temperature rises to −68°F. What is the approximate temperature in degrees Celsius?