What type of reaction is K Hoh? Reaction of potassium with water Potassium metal reacts very rapidly with water to form a colourless solution of potassium hydroxide (KOH) and hydrogen gas (H2). The resulting solution is basic because of the dissolved hydroxide. The reaction is exothermic. What type of reaction is 4 CR 3 O2 […]
What happens during hydroplaning?
What happens during hydroplaning? What is Hydroplaning? When your vehicle hydroplanes on a wet roadway, your tires lose contact with the road. The result is a loss of your ability to control your speed, brake, and steer. This occurs on wet roads with enough rain or other moisture to develop a pool or sheet of […]
Which is safer UVA or UVB?
Which is safer UVA or UVB? UVA rays, which penetrate deep into the skin, are responsible for tanning. UVB rays damage superficial skin cell layers, causing sunburn. UVC rays, the shortest, are considered harmless, since most UVC light is absorbed by ozone in the upper atmosphere and thus does not reach the earth. What is […]
What are the dangers of infrared?
What are the dangers of infrared? Infrared Waves and Eye Damage Exposure to intense electromagnetic radiation, including infrared radiation, can damage the lens and cornea of the eye. This is one reason why staring at the sun is harmful (and unintelligent). People who work near intense radiation must wear goggles. What is the application or […]
Can you use volume alone to predict whether an object will sink or float?
What is the purpose of TPMS system?
What is the purpose of TPMS system? The purpose of the tire pressure monitoring system (TPMS) in your vehicle is to warn you that at least one or more tires are significantly under-inflated, possibly creating unsafe driving conditions. Which is the preferred method for tire rotation? 1. Rearward cross. For vehicles that are 4-wheel, all-wheel, […]
What are the four conditions for rooting cuttings?
What are the four conditions for rooting cuttings? Media used for the plant material should be friable, aerated, well drained, moist and warm (if appropriate). The higher the temperature around the plant material forming roots, the faster the chemical reactions and therefore the faster the root formation. Provide cutting with high humidity to prevent water […]
What is the brief history of psychology?
What is the brief history of psychology? Today, psychology is defined as “the scientific study of behavior and mental processes.” Psychology as a field of experimental study began in 1854, in Leipzig Germany, when Gustav Fechner created the first theory of how judgments about sensory experiences are made and how to experiment on them. What […]
Does my teenage daughter have an eating disorder?
Does my teenage daughter have an eating disorder? Wearing baggy clothes. Vomiting after eating, or going to the toilet immediately after eating. Eating large quantities of food without appearing to gain weight. Repeatedly weighing themselves. Can anorexia stunt puberty? If you don’t eat properly or you have an eating disorder, can it affect your growth […]
Is HBr and Br2 polar or nonpolar?
Is HBr and Br2 polar or nonpolar? Explain. Because HBr is polar and Br2 is nonpolar, they will not dissolve in one another. Like dissolves like because of the way IMFs interact with one another, so the HBr molecules will be more interested in each other than in the Br2 nonpolar molecules. Is Br2 a […]