Why H2O is polar and CO2 is nonpolar? Both CO2 and H2O have two polar bonds. However the dipoles in the linear CO2 molecule cancel each other out, meaning that the CO2 molecule is non-polar. The polar bonds in the bent H2O molecule result in a net dipole moment, so H2O is polar. Which is […]
What two arteries carry blood away from the heart?
What two arteries carry blood away from the heart? Arteries carry blood away from the heart. Pulmonary arteries transport blood that has a low oxygen content from the right ventricle to the lungs. Systemic arteries transport oxygenated blood from the left ventricle to the body tissues. Which two blood vessels carry blood at the highest […]
Who devised a commonly used classification system?
Who devised a commonly used classification system? Carl Linnaeus What Three Kingdoms did Linnaeus divide nature? Linnaean taxonomy divides all of nature into three kingdoms: animal, vegetable (or plant), and mineral (The mineral kingdom does not include living organisms, so it is not discussed any further here.). Both plant and animal kingdoms are subdivided into […]
What is the angle of incidence for minimum deviation?
What is the angle of incidence for minimum deviation? Angle of minimum deviation is equal to the angle of prism A of an equilateral glass prism. The angl… An equilateral prism is made of material of refractive index ? 3. What is angle of minimum deviation in prism? The smallest angle through which light is […]
Will Sears survive 2020?
Will Sears survive 2020? Sears said in November that it planned to close 96 stores in February, including 51 Sears stores and 45 Kmart stores. Sears parent company Transform Holdco will operate just 182 stores after the closings. How many Sears stores are still open 2020? It once operated more than 3,500 locations across the […]
What are the general types of intermolecular forces?
What are the general types of intermolecular forces? The three major types of intermolecular interactions are dipole–dipole interactions, London dispersion forces (these two are often referred to collectively as van der Waals forces), and hydrogen bonds. What are the properties of matter influenced by intermolecular forces? As the intermolecular attraction increases, • The vapor pressure […]
How many realms of existence are there?
How many realms of existence are there? six realms How many natural realms are there? four realms Which realm of the Earth is most important for human life and why? Biosphere How the natural realms are useful to us? Answer. the natural realms are useful for us in many ways like water is a hydrosphere […]
How do you mess up a GPS signal?
How do you mess up a GPS signal? How a GPS jammer works: The user plugs the jammer into the automotive auxiliary power outlet. The unit is placed close to the installed GPS tracker. When active, the GPS jammer generates an interference signal over a 5 to 10 meter radius to disrupt reception of the […]
What percentage of carbon 14 remains after 2 half lives?
What percentage of carbon 14 remains after 2 half lives? 25 percent What is the use of carbon 14? Carbon-14, which is radioactive, is the isotope used in radiocarbon dating and radiolabeling. … medically important radioactive isotope is carbon-14, which is used in a breath test to detect the ulcer-causing bacteria Heliobacter pylori. How much […]
What is the first step to determining your following distance?
What is the first step to determining your following distance? As you will remember, you measure your following distance by locating a vehicle ahead of you, find a fixed object that the vehicle is passing and count. As you reach the same fixed object, that tells you how many seconds have passed. If you are […]