What happens if you touch dry ice with your bare hands? To begin, it is very cold. The surface temperature of dry ice is a frosty 109.3 degrees below zero. If you were to touch it with your bare hands, it would cause nearly instant cell death, or frostbite. Always wear insulated gloves, or handle […]
What enzyme converts glucose into ethanol?
What enzyme converts glucose into ethanol? Zymase What are the two methods of producing ethanol? It can be produced from petroleum via chemical transformation of ethylene, but it can also be produced by fermentation of glucose, using yeast or other microorganisms; current fuel ethanol plants make ethanol via fermentation. What is the enzyme in yeast […]
What does it mean to say that gravity and the normal force counterbalance each other?
What does it mean to say that gravity and the normal force counterbalance each other? it will accelerate in the same direction as the force. ordinarily, gravity and the normal force counterbalance each other. in other words: they cancel each other out. Is Net force the same as inertia? Note that the net force is […]
What is the structure of membranes?
What is the structure of membranes? The plasma membrane is composed of a bilayer of phospholipids, with their hydrophobic, fatty acid tails in contact with each other. The landscape of the membrane is studded with proteins, some of which span the membrane. Some of these proteins serve to transport materials into or out of the […]
What are 5 things that your body uses to keep germs out?
What are 5 things that your body uses to keep germs out? Five Things You Can Do To Prevent Infection Clean Your Hands. Use soap and warm water. Make sure health care providers clean their hands or wear gloves. Cover your mouth and nose. If you are sick, avoid close contact with others. Get shots […]
What are the two main categories of matter?
What are the two main categories of matter? Classifying Matter Matter can be classified into several categories. Two broad categories are mixtures and pure substances. A pure substance has a constant composition. What can elements and compounds have in common? On first glance, elements and compounds might appear different, yet they share many similarities, like […]
What are the 7 types of caves?
What are the 7 types of caves? Types of Caves Ice Caves. Ice caves are further classified into two types that are pretty much unrelated to each other. Sea Caves. Sea caves are among the most visually stunning sites that exist on earth. Solution Caves. Lava Caves. Eolian Caves or Wind Caves. Sandstone Caves or […]
How do you burn off mercury?
How do you burn off mercury? The miners combine the mercury with gold-containing ores; the mercury reacts with the gold particles to form a mercury-gold amalgam. The amalgam is then heated, to burn off the mercury, leaving behind only the gold. This technique is quick and effective; it is also inexpensive, because mercury itself is […]
What can I say instead of teacher?
What can I say instead of teacher? What is another word for teacher? educator instructor guide guru lecturer mentor preceptor professor trainer tutor What is the another word for teacher? In this page you can discover 61 synonyms, antonyms, idiomatic expressions, and related words for teacher, like: educator, mentor, teacher-in-training, preceptor, instructor, high school teacher, […]
Are pencils magnetic?
Are pencils magnetic? Pencils are commonly made from non-magnetic materials; the shaft is usually made of wood or wood-like substitutes, with non-metallic paint, the core (commonly called the lead) is – despite the name – made from powdered graphite with a clay binder; no metal whatsoever, the eraser is made of rubber or plastic (if […]