Why are the vertebrae in your lower back the largest of the vertebrae? The vertebrae in the lumbar spine area are the largest of the entire spine, so the lumbar spinal canal is larger than in the cervical or thoracic parts of the spine. Because of its size, the lumbar spine has more space for […]

What happens when a non volatile solute is dissolved in a liquid? On the right, a nonvolatile solute has been dissolved into the solvent. Nonvolatile means that the solute itself has little tendency to evaporate. Because some of the surface is now occupied by solute particles, there is less room for solvent molecules. This results […]

Which scientist did not contribute to the cell theory? Credit for developing cell theory is usually given to two scientists: Theodor Schwann and Matthias Jakob Schleiden. While Rudolf Virchow contributed to the theory, he is not as credited for his attributions toward it. Who were the 5 scientists who contributed to the cell theory? There […]

What does potassium and bromine make? potassium bromide What is the formula of KBr? Potassium bromide PubChem CID 253877 Chemical Safety Laboratory Chemical Safety Summary (LCSS) Datasheet Molecular Formula KBr or BrK Synonyms POTASSIUM BROMIDE 7758-02-3 Potassium bromide (KBr) Bromide salt of potassium Bromure de potassium More… Molecular Weight 119 g/mol What is IR source? […]

Which phase of the moon is represented by position 7? quarter phases What will the moon look like from Earth when it is in the position shown in your model? Answer: The Moon will look red in Earth’s shadow. How does the moon appear from Earth? From Earth, the Moon’s surface looks dark because the […]

Do bases feel slippery? Base Property #5: Bases feel slippery, sometimes people say soapy. This is because they dissolve the fatty acids and oils from your skin and this cuts down on the friction between your fingers as you rub them together. In essence, the base is making soap out of you. Yes, bases are […]

Where is fluoride on the periodic table? The number 9 is up in the left corner because fluoride is the 9th element on the periodic table. Oh, that’s also how many protons are in the nucleus and how many electrons are in the cloud of a fluorine atom. Are fluorine and fluoride the same thing? […]

What happens to the atoms during sublimation? When energy is transferred to dry ice, the solid carbon dioxide does not melt to liquid carbon dioxide. Instead, the solid changes directly to a gas. This process is called sublimation. Sublimation occurs when molecules of a solid move fast enough to overcome the attractions from other molecules […]

What determines the boundaries of a watershed? The boundaries of a watershed are determined by topography, which is the shape or the physical features of the land’s surface. If the highest points of land surrounding a river were connected (like “connect-the-dots”), this line would form the watershed boundary. What is an area of higher elevation […]

What makes a source reliable? A reliable source is one that provides a thorough, well-reasoned theory, argument, discussion, etc. based on strong evidence. Scholarly, peer-reviewed articles or books -written by researchers for students and researchers. These sources may provide some of their articles online for free. How do you properly cite a source? To refer […]