If you needed to heat up 800.0 grams of water from 20.0°C to 100.0 °C to boil pasta, how much energy would you use?

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.

Which of these conditions most likely produces an unstable isotope?

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.