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8.1 Properties of Gases -- Part 2
There is a higher risk of stroke, heart attack, or kidney damage when the blood pressure is 140/90 or higher.
The brain can hear low blood pressure, which can cause dizziness and fainting.
A stethoscope and inflatable cuff are used to measure blood pressure during a physical exam.
Sound is heard in the arteries of people using digital blood pressure monitors.
A second pressure reading is taken.
They have not been tested for use in all situations and moment of silence, and the pressure when can give inaccurate readings.
Billions and billions of gas particles hit against the walls of a container, and they exert pressure, which is a force acting on a certain area.
The pressure unit is named after Evangelista Torricelli, the inventor of the barometer.
The units of Torr and MMHg are the same.
It is equivalent to 29.9 in.
The downward pressure of a mercury column in a closed glass tube is equal to the pressure in the exact atmosphere.
The mercury column height is called atmospheric pressure.
Pressures are reported in kilopascals because a pascal is a very small unit.
The US equivalent of 1 atm is 14.7 lbs/in.2.
It is possible to check the air pressure in the tires of a car with a pressure gauge.
The pressure on the outside of the tire is influenced by the atmosphere.
The measurement of pressure is done using 1 atm and 1 arious units.
The mercury column rises on a sunny day.
The mercury column falls on a rainy day because the atmosphere exerts less pressure.
The level of the atmospheric pressure decreases.
Divers need to be aware of the pressures on their ears and lungs when they dive into the ocean.
As the diver descends, the pressure on the diver increases rapidly.
At a depth of 33 feet below the ocean's surface, the water exerts 1 atm of pressure on the diver, which results in a total pressure of 2 atm.
There is a total pressure of 4 atm on a diver at 100 ft.
The pressure of the breathing mixture is adjusted continuously by the diver's regulator.
The hospital respiratory unit has a tank of oxygen that has a pressure of 888-492-0 888-492-0.
The pressure of the oxygen gas can be calculated.
A patient with severe COPD gets oxygen from an oxygen tank.
A tank of nitrous oxide is used as an anesthesia.
A container of cooking spray explodes.
The hot-air balloon's air is heated to make it rise.
You can smell the smell of onions cooking.
Gases move at higher temperatures.
Gases can be compressed more quickly than liquids.
Gases have low densities.
Oxygen is in a tank at a pressure of 2.20 atm.
When the temperature and amount of gas don't change, use the pressure-volume relationship to calculate the unknown pressure.
Imagine if you could see the air particles hitting the walls.
The pressure within the container increases as the air particles are crowded together.
When a change in one property causes another to change, the properties are related.
The pressure and volume are related.
Whitney had an asthma attack and was given oxygen through a face mask.
The given and needed quantities should be stated.
The pressure decreases from 3800 to 570.
We predict that the volume will increase because of the oxygen available.
The gas law equation can be used to solve a mystery.
The ratio of pressures is greater than 1, which increases the volume as predicted.
2 is equal to 12 L.
There is a bubble of methane gas in an underground gas reserve.
When you consider the mechanics of breathing, the importance of Boyle's law becomes apparent.
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