# Atmospheric Pressure

### Topic Page

Atmospheric Pressure### Questions

- How does atmospheric pressure affect evaporation?
- How do you calculate atmospheric pressure at an altitude?
- Why is air pressure greatest at the Earth's surface?
- What causes hydrostatic pressure in blood vessels?
- How is hydrostatic pressure created?
- How does atmospheric pressure change in the troposphere?
- Does air pressure change with humidity?
- How does atmospheric pressure affect boiling points?
- How is air pressure measured for weather information?
- How do air pressure regulators work?
- How do different air pressure affect the weather?
- How do atmospheric pressure differences create winds?
- How does atmospheric pressure change with altitude?
- How is air pressure created?
- How does air exert pressure?
- What is the difference between hydrostatic pressure and atmospheric pressure?
- How does atmospheric pressure change with depth?
- What are some common mistakes students make with atmospheric pressure?
- What is atmospheric pressure?
- Question #d469a
- Why is mercury now seldom seen in laboratories?
- Question #f9e29
- What forces determine how high mercury rises in a barometer?
- In what way does increasing hybridization correlate with decreasing #s# character?
- What is one standard atmosphere of pressure in kilopascals?
- Question #63d22
- What volume of #O_2# (g) at #350^oC# and a pressure of 5.25 atm is needed to completely convert 5.00 g of sulfur to sulfur trioxide?
- 3.55 moles #H_2# (g), 1.25 moles #CO# (g), and an unknown number of moles #N_2# (g) were placed into a 5.00 L flask at #25.0^oC#. Given the density of this gas mixture to be 19.92 g/L, how many moles of #N_2# were in the flask?
- A balloon has a volume of 20.0 L at atmospheric pressure and 20.0 C. One wants to increase the volume to 24.0 L at constant pressure. To what temperature in degrees Celsius does one need to increase the temperature to?
- A 260 L kiln is used for vitrifying ceramics. It is currently operating at 1235 °C and the pressure is 1.025 atm. How many moles of air molecules are within the confines of the kiln?
- A 16.0 L gas cylinder is filled with 7.60 moles of gas. The tank is stored at 41 degrees Celcius. What is the pressure in the tank?
- What can be said about a substance with a triple point above 1 atm?
- What pressure, in atmospheres, is exerted by 0.325 mol of hydrogen in a 4.08 L container at #35^o# C?
- If the initial volume of the bubbles in a diver's blood is 15 mL and the initial pressure is 12.75 atm, what is the volume of the bubbles when the diver has surfaced to 1.00 atm pressure?
- The density of a gas at s.t.p is 1.750 g #dm^(-3)#3. How do you calculate the relative molecular mass of the gas?
- Given the following, what would the new volume of the balloon be?
- If 30.2 g of aluminum react with HCI to produce aluminum chloride and hydrogen gas, how many liters of hydrogen are produced at STP?
- A sample of neon is collected at 2.7 atm and 12.0 degrees C. It has a volume of 2.25 L. What would be the volume of this gas at STP?
- A gas occupies 3.30 liters and is at 850 mmHg. What would the pressure be in atm, if the new volume were increased to 5.63 liters?
- A gas occupies 1.58 liters its pressure is 5.2 atm and its temperature is 57.4°C. What would volume be if the pressure were decreased to 3.59 atm?
- What is the relative shape and volume of an aluminum cylinder at STP?
- Aluminum reacts with aqueous #HBr# to produce hydrogen gas and aluminum bromide. How many mL of hydrogen gas are produced at 1.03 atm and 20.00 #"^o#C when 0.498 g of aluminum react with an excess of #HBr#?
- A rigid plastic container holds gas 0.9 pressure when the atmtemperature is 22.0°C. How much more pressure will the gas exert if the temperature raised to 44.6°C?
- What volume will 454 grams (1 lb) of hydrogen occupy at 1.05 atm and 25 #"^o#C?
- If a gas at occupies 2.60 liters at a pressure of 1.00 atm, what will be its volume at a pressure of 3.50 atm?
- Given the reaction of 0.25 g of Al with HCl, how many liters of #H_2# gas will be produced if the temperature is 40 C and the pressure is 1.15 atm?
- A tank contains helium gas at 490 mmHg, nitrogen 0.75 atm, and neon at 520 torr. What is the total pressure in atm?
- At -2000 meter below sea level, what is the atmospheric pressure?
- At 0m (sea level) what is the atmospheric pressure?
- What is the relationship between elevation and atmospheric pressure?
- A 2.0 L container of nitrogen had a pressure of 3.2 atm. What volume would be necessary to decrease the pressure to 1 atm?
- A sample of gas occupies a volume of 50.0 millilters in a cylinder with a movable piston. The pressure of the sample is 0.00 atmosphere and the temperature is 200 K. What is the volume of the sample at STP?
- The equation #P = 1 + d/33# gives the pressure, #P#, in atmospheres (atm) at a depth of #d# feet in the sea. For what depths #d# is the pressure at least 1 atm and at most 7 atm?
- The equation #P = 1 + d/33# gives the pressure, #P#, in atmospheres (atm) at a depth of #d# feet below sea level. For what depths #d# is the pressure at least 1 atm and at most 2 atm?
- What pressure (in atmospheres) is required to compress 1.00 L of gas at 760. mm Hg pressure to a volume of 50.0 mL?
- If 56 grams of #Fe_2O_3(s)# is produced, what volume in mL of #O_2# reacted at 26 deg Cand 0.95 atm?
- A cylinder with a movable piston contains a 2.0-liter sample of neon at gas at STP. What is the volume of this of this sample when its temperature is increased to 30. deg C while its pressure is decreased to 90. kilopascals?
- How do changes in atmospheric pressure affect the height of the column of mercury in a barometer?
- Why does air pressure decrease the higher you get in altitude?
- Question #8e5d1
- A sample of an gas has a volume of 2.25 L at 286 K and 1.13 atm. What is the pressure when the volume is 1.89 L and temperature is 302 K?
- Question #557f0
- How many liters of oxygen are needed to exactly react with 25.8 g of methane at STP? #CH_4(g) + 2O_2(g) -> CO_2(g) + 2H_2O(l)#?
- On a cold winter morning when the temperature is -13°C, the air pressure in an automobile tire is 1.5 atm. If the volume does not change, what is the pressure after the tire has warmed to 15°C?
- What is one atmosphere of pressure?
- A 9.70 L container holds a mixture of two gases at 53C. The partial pressures of gas A and gas B, respectively, are 0.368 atm and 0.893 atm. If 0.210 mol of a third gas is added with no change in volume or temperature, what will the total pressure become?
- A rigid cylinder with a movable piston contains 500 liters of a gas at 30.0 C with a pressure of 1.00 atmosphere. What is the volume of the gas in the cylinder at STP?
- At STP, a 1-liter sample of Ne(g) and a 1-1iter sample of Kr(g) share the same what?
- Chlorine gas occupies a volume of 1.20 liters at 720 torr pressure. What volume will it occupy at 1 atm pressure? Assume that temperature remains the same.
- At sea level, the atmosphere exerts a pressure of 450 pounds on a surface with an area of 30 square inches. How much pressure per square inch does the atmosphere exert on surfaces at sea level?
- A yield of #NH_3# of approximately 98% can be obtained at 200 deg C and 1,000 atmospheres of pressure. How many grams of #N_2# must react to form 1.7 grams of ammonia, #NH_3#?
- Question #a31f8
- Please explain the unit of pressure ( atmospheric pressure)?? Thank you so much.