Un-Answered Questions { Client Server General }

How do you convert oxygen gas to liquid oxygen?

584


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

529


Why do some medications contain hcl?

592


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

596


Name the two most abundant elements in the universe?

541


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

562


Where does arsenic come from?

580


What are substrates?

601


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?

548


What is the product of hcl zn?

604


What is protein in chemistry?

609


What is the equation for photosynthesis?

577


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

605


What are some examples of a reversible reaction?

568


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

547