The atmosphere is comprised of various gasses, including nitrogen, oxygen, and various trace gasses. These are comprised of molecules. These molecules move freely while exerting what's known as air pressure.Ans
STP is one atmosphere of pressure at 0 degrees C. Since this would be a freezing temperature at sea level, dry air is less dense than the cited value most of the time. However, air typically contains a lot of water vapor, which would make it denser than the cited value. The Density ...
Standard temperature and pressure (STP) refers to the nominal conditions in the atmosphere at sea level. These conditions are 0 degrees Celsius and 1 atmosphere (atm) of pressure. The STP value is important to physicists, chemists, engineers, pilots and navigators, among others. Standard condition...
What is meant by atmospheric pressure? View Solution View Solution View Solution View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions KC Sinha Solutions for Maths Cengage Solutions for Maths DC Pandey Solutions for Physics ...
What is the pressure of the mesopelagic zone? What does a falling barometric reading (atmospheric pressure) indicate? What is caused by low-pressure warm air that is rising? What type of cloud forms at low altitudes? In which layer of the atmosphere does weather occur?
In most circumstances atmospheric pressure is closely approximated by the hydrostatic pressure caused by the weight of air above the measurement point. The standard atmosphere (symbol: atm) is a unit of pressure equal to 101325 Pa. Equivalent to 760 mmHg (torr), 29.92 inHg, 14.696 psi. The ...
根据“Wind is caused by differences of pressure in the earth’s atmosphere.”和“When lots of these molecules move, usually in one direction, we call this wind.”和“For example, a southerly wind would blow from the south to the north.”和“Wind turbines and windfarms can generate ...
Narrator: Listen to part of the lecture in a meteorology class. 旁白:听一个气象学的讲座。 Professor: Now, Earth's atmosphere is sort of like a giant weather machine, right? 教授:现在,地球的大气层有点像一台巨大的气象机器,对吗? Uh... with air and water being its key components. ...
They can only originate and spread in places where there's some dense physical medium, like atmosphere or water. 它只在一些有致密物质媒介的地方产生和传播,比如大气和水。 They result from changes in pressure in that medium, like changes in air pressure. ...
Atmospheric pressure is 700 mm Hg. What is the pressure in inches of Hg?The pressure of the earth's atmosphere at sea level is 14.7 lb/in2. What is the pressure when expressed in kg/m2? (2.54 cm = 1 in; 2.205 lb = 1 kg)