Problem 97
Research each of the following using an Internet search engine (e.g., Google.com or Yahoo.com) and cite your URL reference. Who first discovered oxygen?
Problem 98
Research each of the following using an Internet search engine (e.g., Google.com or Yahoo.com) and cite your URL reference. Who first discovered hydrogen?
Problem 99
Research each of the following using an Internet search engine (e.g., Google.com or Yahoo.com) and cite your URL reference. What is the boiling point of liquid oxygen in \({ }^{\circ} \mathrm{F} ?{ }^{\circ} \mathrm{C} ? \mathrm{~K} ?\)
Problem 100
Research each of the following using an Internet search engine (e.g., Google.com or Yahoo.com) and cite your URL reference. What is the boiling point of liquid hydrogen in \({ }^{\circ} \mathrm{F} ?{ }^{\circ} \mathrm{C} ? \mathrm{~K} ?\)
