Blog

How many molecules of N2O4 are there in 76.3 g of N2O4?

Paying attention in lecture question! During our Unit 3 lecture, Jim Klem mixed two chemicals together to demonstrate a limiting reactant.  What were these two chemicals?

How many fluorine atoms are there in 150 molecules of SF6?

Paying attention in lecture question: During our Unit 2 lecture, Dr. Briggs played a clip from an old black-and-white movie about a scientific discovery from the early 1900’s.  What was this discovery?

Which of the following phases of matter has a fixed volume and a definite shape?

An element has a Mass Number (A) of 40 and an Atomic Number (Z) of 18. How many protons, neutrons, and electrons are there in one atom of this element?

What is the speed of sound at 5,000 feet on a standard day?

If you need to make a turn with the shortest radius possible, what are the most effective actions to take from these answers?

Attempting to lift off the runway too early will increase your takeoff distance.

What best describes a “spin”?