The answer is -353.15
use the formula -80K-273.15=-3.53.1°C
Answer:
Instead of normal protium atoms, heavy water consists of two deuterium atoms. Like normal water, heavy water is an odorless liquid at room temperature. Moreover, deuterium, tantamount to protium, is also a stable isotope. This ensures that heavy water is not radioactive
yes 89.75 sorry I'm not the best at math you should look on the internet