Un-Answered Questions { Client Server General }

How do you convert oxygen gas to liquid oxygen?

592


0 Liters of oxygen are mixed with 8.0 liters of nitrogen. Identify the solute and solvent in this mixture?

542


Why do some medications contain hcl?

605


How many moles of hcl are present in .70 l of a .33 m hcl solution?

605


Name the two most abundant elements in the universe?

551


How many valence electrons does each of the elements in the periodic table have?

570


Where does arsenic come from?

590


What are substrates?

611


What gas was discovered by daniel rutherford in 1772 by placing a mouse inside a bell jar, removing all the oxygen in the jar by burning a substance in it, and demonstrating the asphyxiation of the mouse?

560


What is the product of hcl zn?

619


What is protein in chemistry?

620


What is the equation for photosynthesis?

589


The disruption of the three-dimensional shape of a protein by factors such as heat, acids, bases, and organic solvents, is called what?

612


What are some examples of a reversible reaction?

582


What is the difference between the law of multiple proportions and the law of definite proportions?

551