Question

Mercury thermometers are being phased out due to the toxicity of mercury vapor. A common replacement for mercury is the organic liquid isoamyl benzoate, which boils at 262 °C. What is its boiling point in Kelvin?

a) 535 K
b) 535 °K
c) 535 °C
d) 535 K°C

Answer 1

To convert the boiling point of isoamyl benzoate from Celsius to Kelvin, you add 273.15 to the Celsius temperature, resulting in 535.15 K, which is simplified to 535 K.

Step-by-step explanation:

The organic liquid isoamyl benzoate has a boiling point of 262 °C. To convert this to Kelvin, we add 273.15 to the Celsius temperature since the Kelvin scale starts at absolute zero, which is -273.15 °C. Therefore, the calculation would be 262 °C + 273.15 = 535.15 K. When expressing temperature in Kelvin, the correct notation is simply 'K' without the degree symbol, so the answer is 535 K. It's important to note that the 'degree' symbol is not used with Kelvin.