Which of the following statements is true?
u-235 is an isotope of uranium.
hydrogen atoms are heavier than uranium atoms.
fusion reactions require extremely low temperatures.
chemical energy is the energy inside the nucleus of an atom.

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

Deferentiate volatile and non volatile acid

In the following reaction, oxygen is the excess reactant. sicl4 + o2 → sio2 + cl2 the table shows an experimental record for the above reaction. experimental record trial starting amount of sicl4 starting amount of o2 actual yield of sio2 1 120 g 240 g 38.2 g 2 75 g 50 g 25.2 g part 1: calculate the percentage yield for sio2 for trial 1. also, determine the leftover reactant for the trial. show your work. part 2: based on the percentage yield in trial 2, explain what ratio of reactants is more efficient for the given reaction.