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60 Answered Questions for the topic Pressure

Pressure Physics Gas Laws

26d

The air in a nitchen has pressure 1*10^5 Pa and temperature 22'C. A refrigerator of internal volume 0.36m^3 is installed in the kitchen.

The air in a kitchen has pressure 1.0 x 10^5 Pa and temperature 22'C. A refrigerator of internal volume 0.36 m^3 is installed in the kitchen. (a) With the door open the air in the refrigerator is... more
Pressure Physics Physics

02/18/20

how does pressure relate to elastic potential energy?

01/30/20

Determine the vapor pressue of pentane on a cold autumn morning when the temperature is 3.10 °C.

Portable lanterns and stoves used for camping and backpacking often use a mixture of C5 and C6 hydrocarbons known as "white gas." White gas is easy to transport but stoves that burn white gas are... more

12/14/19

Fluid Dynamics Question

A patient is to be given a blood transfusion. The blood is to flow through a tube from a raised bottle to a needle inserted in the vein. The inside diameter of the 4.0 cm long needle is 0.40 mm and... more
Pressure Volume Atms

11/01/19

Calculating Pressure

Calculate the pressure, in atmospheres, required to compress a sample of helium gas from 23.7 L (at 1.00 atm) to 2.17 L at constant temperature. 
Pressure Chemistry Volume

08/23/19

Volume of gas sample: 550 mL Pressure: 1.8 atm plus 2.2 atm

Pressure Physics Forces

07/31/19

What atomic forces are acting to resist me pushing an air filled bottle underwater?

Yes air is less dense than water but how does the bottle know to rise or indeed to move? It's not electromagnetism I think. Does this have a relation to gravitational forces? Is it to do with the... more
Pressure Physics Forces

06/25/19

Physics behind the flow of gas coming out of a balloon?

I'm working with stratospheric balloons (latex ones) and I want to put a valve on it so it can float for a longer time. I'm trying to define which valve I should use, which demands I estimate the... more
Pressure Physics

05/03/19

Physics- pressure

A swimming pool of width 9m and length 24m is filled with water to a depth of 3m. Calculate pressure on the bottom of pool due to the water.(Density of the water is 1000kg/meter cube)
Pressure Math Chemistry

02/20/19

What is the volume of oxygen gas (in Liters) that will be produced if 3.5 g H_2O will react at a pressure of 119 kPa and temperature of 35 degrees Celsius?

According that H_2O reacts with Na_2O_2 according to the following equation:2Na_2O_2 + 2H_2O yields 4NaOH + 1O_2
Pressure Volume

09/05/18

finding thvolume of the pressure

Boyle's Law says that the volume of a gas varies inversely with the pressure. When the volume of a certain gas is 4L, the pressure is 720 kpa (kilopascals). What is the pressure when the volume is... more
Pressure Physics Ap Physics

06/03/18

How to find the weight of the air inside a ball?

I know the radius including the outside layer or "shell" of the basketball is 0.1205m and without is 0.1075m. The inflation pressure is 55158.06 N/m2 in Pascals. 
Pressure

04/17/18

what was the initial pressure?

The temperature of 10 liters of an ideal gas was increased from 600 to 800 Kelvins.  If the volume remained constant and the final pressure was 30 atmospheres, what was the initial pressure?  
Pressure Force

02/03/18

Calculate the pressure that the water exerts on the diver.

Fig 1.1 shows a diver 50m below the surface of the water. The density of water is 1000kg/m^2 and the acceleration of free fall is 10m/s^2.

01/30/18

Calculate the mol fraction

A 2.50L container at 17.0 °C contains a mixture of three gases, N2, He, and CO2, at partial pressure of 0.32 atm, 0.25 atm and 0.4 atm respectively.    a) calculate the total pressure of the gas... more
Pressure Chemistry College

12/11/17

Calculate the pressure exerted by a column of water 10. m high. Water has a density of 1.00 g/cm3. Report the pressure in Pa.

I am not sure what sort of pressure law to use, if any. How do I combine this to solve the pressure in pascals?
Pressure

05/16/17

2 boxes are stacked on top of each other apply 24000 Pa of pressure on the ground the base of the boxes are both 80 cm squared. What must each box weigh

 there is nothing to add its just a word problem
Pressure Chemistry Physics

05/13/17

Thermodynamics problem regarding fugacity and fugacity coefficient.

    Hey, I'm at my wit's end when it comes to thermodynamics. Apparently, I was given this little assignment from my lecturer to solve it at home. I need help in solving this, really x_xA binary... more
Pressure Chemistry Volume

11/26/16

Pressure Volume diagram doubt

In P-V graph of an ideal gas, there is a straight line with negative slope. How can we calculate the maximum temperature from the graph? Note:The graph is not a rectangular hyperbola but a... more
Pressure Chemistry Volume

10/05/16

Calculate the final temperature (K and C) of a gas if 32.0 L of the gas at 25 C and 1.00 atm is compressed into a volume of 3.20 L at a pressure of 5.0 atm. - S

Calculate the final temperature (K and C) of a gas if 32.0 L of the gas at 25 C and 1.00 atm is compressed into a volume of 3.20 L at a pressure of 5.0 atm.
Pressure Chemistry Moles

10/05/16

What is the amount in moles of nitrogen gas found in a 58.0 L compressed gas tank that has a pressure of 89.3 atm at 357 K? - Show Work

What is the amount in moles of nitrogen gas found in a 58.0 L compressed gas tank that has a pressure of 89.3 atm at 357 K?
Pressure Chemistry Volume

10/05/16

Calculate its volume after the temperature is increased to 175 C and the pressure is decreased to 1.00 atm. - Show Work

A gas initially occupies 25.0 L at 25 C and 3.00 atm. Calculate its volume after the temperature is increased to 175 C and the pressure is decreased to 1.00 atm.
Pressure Volume Gas Laws

10/03/16

Find the volume the gas will occupy at -39.9 °C if the pressure remains constant - Show Work Please

8.98 dm^3 of hydrogen gas is collected at 38.8 °C. Find the volume the gas will occupy at -39.9 °C if the pressure remains constant.
Pressure Chemistry Volume

09/29/16

Use the combined gas law or ideal gas equation please

There is a gas at a pressure of 12.0 atm, a volume of 23.0 liters, and a temperature of 200 K, and then I raise the pressure to 14 atm and increase the temperature to 300 K, what is the new volume... more
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