Will a balloon filled with NH3 sink or float in air? A balloon of pure nitrogen would float in air (and even rise slowly), because it has the same volume as a mole of air, but weighs less. It probably would not be very practical to make an actual pure-nitrogen balloon, but it could be […]
Is it possible to dissolve more than maximum amount of solute?
Is it possible to dissolve more than maximum amount of solute? Sometimes, a solution contains more dissolved solute than is normally possible. This type of solution is said to be supersaturated. A saturated solution can become supersaturated if more solute is added while the temperature is raised. Is there a limit to the amount of […]
Why does my trolley jack not stay up?
Which areas of France captured Germany during Franco-Prussian War?
Which areas of France captured Germany during Franco-Prussian War? The Germans conquered Paris and then made peace. After the war, France had to give Prussia some regions that had been under French control. They were most of Alsace and some of Lorraine, most of which spoke German dialects. Prussia took steps to unite the independent […]
How do errors in the cell cycle lead to disease?
How do errors in the cell cycle lead to disease? Mistakes during mitosis lead to the production of daughter cells with too many or too few chromosomes, a feature known as aneuploidy. Nearly all aneuploidies that arise due to mistakes in meiosis or during early embryonic development are lethal, with the notable exception of trisomy […]
Does Jet Blue fly from San Diego?
Does Jet Blue fly from San Diego? With the new Newark flight, JetBlue becomes the only airline operating out of San Diego that will be offering nonstop service to two New York area airports — Newark Liberty International and John F. Kennedy International Airport. Does JetBlue fly out of Charleston SC? “JetBlue’s new service will […]
Which soil horizon has very little organic matter and accumulates soluble metals?
Which soil horizon has very little organic matter and accumulates soluble metals? Below the topsoil is the “B“ horizon. This is also called the subsoil. Soluble minerals and clays accumulate in the subsoil. Because it has less organic material, this layer is lighter brown in color than topsoil. Should you put sand under rocks? They […]
What is was the role of the Congressional Budget Office CBO during the healthcare reform debates?
What is was the role of the Congressional Budget Office CBO during the healthcare reform debates? CBO prepares projections of federal health care spending under current law and analyzes proposals that would change federal health care policies. What is a CBO in healthcare? Community Based Organizations (CBOs) have a key role in improving the healthcare […]
What happens when you direct light waves at an angle into a mirror?
What happens when you direct light waves at an angle into a mirror? According to wave-based theories, the light waves spread out from the source in all directions, and upon striking a mirror, are reflected at an angle determined by the angle at which the light arrives. The reflection process inverts each wave back-to-front, which […]
What if my parents live in another country fafsa?
What if my parents live in another country fafsa? If your parents live and file taxes in a foreign country and don’t file U.S. taxes, you’ll have the opportunity to indicate that they have filed their taxes. Then, when the FAFSA form asks whether your parents filed a Puerto Rican or foreign tax return, you […]