How many types of bonds can a carbon atom form? four Can a single carbon atom exist on its own? Pure carbon can exist in different forms, depending on how its atoms are arranged. The forms include diamond, graphite, and fullerenes. All three forms exist as crystals, but they have different structures. Their different structures, […]
Why do merry go round turn counter clockwise?
Why do merry go round turn counter clockwise? Traditionally, horses are mounted from the left side. This is because most warriors were right handed and kept their swords on their left side for fast access. In England, the carousels rotate clockwise so the horses can be mounted from the left, keeping with tradition. Why do […]
Is sand a good thermal insulator?
Is sand a good thermal insulator? Saturated sand has a thermal conductivity in the range of 2-4 W/m-K which causes the sand layer thickness to go astronomical. Thus it can be shown that sand is a good replacement for fiberglass pipe insulation in underground, direct buried applications. It’s easier to install and costs less. Does […]
How do you know if a road is 20 mph?
How can heat pumps be more than 100 efficient?
How can heat pumps be more than 100 efficient? By contrast, heat pumps seemingly undertake the impossible: you get more heating out than the energy you put in. This is possible because we are using energy to move heat – rather than converting the energy directly to heat. As a result the apparent efficiency in […]
How should you treat a common injury immediately after it happens?
How should you treat a common injury immediately after it happens? Immediately after your injury Rest. Resting is one of the most effective ways to start your healing process. Ice. The benefits of applying ice are greatest within the first day or two after sustaining an injury. Compress. Elevate. How many days should you ice […]
What are the signs of a bad throttle body?
What are the signs of a bad throttle body? When a throttle body is not functioning correctly, some noticeable characteristics may be poor or very low idle. This can include stalling when coming to a stop or very low idle after starting, or even stalling if the throttle is quickly pressed (resulting in the throttle […]
Is air lighter than water?
Is air lighter than water? 5 Answers. Air is lighter because there are fewer molecules per unit volume compared with a unit volume of liquid water. A mole of water is 18 grams, so a liter of water contains about 55 moles (1000 grams). A mole of air at standard temperature and pressure, however, occupies […]
How many outlets can a 15 amp breaker hold?
How many outlets can a 15 amp breaker hold? 10 outlets Why is daisy chaining dangerous? Daisy chaining is a term that refers to the practice of plugging a power strip into another power strip. This is dangerous because an excessive amount of power is being drawn from one single wall outlet, which means the […]
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 […]