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How many molecules in one liter of air at 294.11 degrees Kelvin at one atmosphere of pressure?
Wiki User
∙ 10y ago
Ideal gas law: PV=nRT. number of moles is 0.0414335 moles. x avagadros number is 2.495x1022 molecules
Wiki User
∙ 10y ago
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What temperature is the standard temperature used to measure solubility?
At STP(Standard Temperature and pressure), the temperature is zero degrees Celsius(273 Kelvin) and the pressure is 1 atmosphere. At RTP(Room temperature and pressure), the temperature is 25 degrees Celsius(298 Kelvin) and the pressure is 1 atmosphere.
What is the difference between kelvin and centigrade?
Both are measures of temperature. Both have 100 Degrees between the freezing point and melting point of pure water at 1 atmosphere of pressure but the difference lies in the value of 0k and 0c. Zero centigrade is the freezing temperature of pure water where as Zero Kelvin is Absolute Zero, which is -273 Degrees Centigrade. Therefore water freezes at 273 Degrees Kelvin and 0 Degrees Centigrade. Water therefore boils at 373 Degrees Kelvin but 100 degrees Centigrade. (All assuming one standard atmosphere of pressure.)
Which term is defined as the atmosphere pressure at sea level at zero degrees Celsius?
Standard conditions, or standard temperature and pressure (STP) is the atmospheric pressure at sea level with temperature at zero degrees Celsius (273.15 Kelvin).
At what temperature does pure water turn to steam?
Steam is created when water boils at 100 degrees Celsius, 373 degrees Kelvin or 212 degrees Fahrenheit. This is at the normal, standard temperature and atmosphere pressure.
0 degrees kelvin?
0 degrees kelvin is the temperature at which molecules cease to exist and stop moving; coldest temperature there is
Why does water boil at a specific boiling temperature?
It is the temperature at which enough heat energy has been put into the molecules, overpowering the hydrogen bonding between molecules. Water at the atmospheric pressure of sea level boils at 100 degrees Celsius (or 212 degrees Fahrenheit or 373.15 degrees Kelvin).
The temperature at which the vapor pressure of a liquid has an external pressure of 1 atm is?
0 degrees Celsius, 273 degrees Kelvin, 32 degrees Fahrenheit.
If pressure is 1atm then what temperature does lipuid water change into ice in degrees Kelvin?
At normal atmospheric pressure water will freeze at zero degrees. This is 273.15 kelvin. This makes converting from celsius to kelvin very easy, you simply add 273.15 to the temperature in celsius. Of course this is assuming that the water has no other molecules present, if that was the case you would have to calculate the freezing point depression caused by the presence of the other molecules. Look up colligative properties to get more information on this topic (related links).
Are molecules r always in motion?
Welll . . . molecules are always in motion except when their temperature is 0 degrees, Kelvin. There are not a lot of molecules that cold, though.
How cold is Jupiter in Fahrenheit?
Jupiter's temperature can vary depending on the depth within its atmosphere. Near the top, temperatures average around minus 166 degrees Fahrenheit (-110 degrees Celsius). However, as you go deeper into Jupiter's atmosphere, the temperature increases due to pressure and heat from the core.
Boiling point of water at absolute 0 pressure?
0 degrees Kelvin. (Or -273.16 degrees Celsius.)
What is the expression for the ideal gas law?
PV=nRT (pressure*volume=mols*value for R*temperature in degrees kelvin) R Values vary, but must match the unit for pressure---> .0821 ATM 62.4 mmHg 8.314kPa temperature must always be in degrees kelvin ( kelvin= degrees celsius+273)
