What do you notice is coming off the dry ice? Initially, the gas is much colder than the surrounding air. The sudden drop in temperature causes water vapor in the air to condense into tiny droplets, forming fog. Only a small amount of fog is visible in the air around a piece of dry ice. […]
What is the importance of reference frame?
What is the importance of reference frame? Frames of Reference serve a valuable purpose, because they enable us to take in a wide variety of information, and process it based on our past experience and values. In fact, an individual’s Frame of Reference promotes life-stability and quicker decision making. What is a antonym for frame […]
How do you find weight with distance and work?
What are 5 examples of delegated powers?
What are 5 examples of delegated powers? Some examples of powers delegated to the federal government include declaring war, entering treaties, coining money, levying taxes, establishing import duties and tariffs, raising and maintaining the armed forces, and regulating commerce. What are 3 types of delegated powers? There are three distinct types of delegated powers: expressed, […]
How many different learning styles are there?
How many different learning styles are there? Seven Learning Styles What is the Honey and Mumford Learning Style? Learning styles were developed by Peter Honey and Alan Mumford, based upon the work of Kolb, and they identified four distinct learning styles or preferences: Activist, Theorist; Pragmatist and Reflector. understand their learning style. seek out opportunities […]
Is the phosphorus cycle fast?
Is the phosphorus cycle fast? Phosphorus moves slowly from deposits on land and in sediments, to living organisms, and than much more slowly back into the soil and water sediment. The phosphorus cycle is the slowest one of the matter cycles that are described here. How does the phosphorus cycle start? Phosphorus moves in a […]
Are cameras more accurate than mirrors?
Are cameras more accurate than mirrors? A mirror image is called a mirror image because it reverses things from left to right. You usually see a mirror image of yourself. In contrast, if you look at a normal camera photo, you see yourself as another person would see you. Mirrors are much more accurate than […]
What makes a fossil good for dating rocks?
What makes a fossil good for dating rocks? Carbon-14, the radioactive isotope of carbon used in carbon dating has a half-life of 5730 years, so it decays too fast. It can only be used to date fossils younger than about 75,000 years. This makes it ideal for dating much older rocks and fossils. What is […]
What affects the EMF of an electrochemical cell?
What affects the EMF of an electrochemical cell? Electrochemical cells are different from normal reactions; however the amount of volts produced by the cell will be effected by the factors that affect chemical reaction rates. The main factors that affect chemical reactions are Temperature, Surface area and Concentration. How do you calculate cell EMF? Sample […]