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If a meterologist says that air pressure is getting lower what would you expect to see happen to torriclli's mercury barometer?
If air pressure is getting lower, you would expect to see the mercury in Torricelli's barometer rise. This is because low air pressure allows the mercury in the barometer tube to be pushed up by the weight of the atmosphere.
What value do you expect for the absolute zero temperature for different gases?
The value of absolute zero temperature is the same for all gases, which is -273.15 degrees Celsius or 0 Kelvin.
Which would you expect to have the greatest amount of friction?
I would expect a rough surface to have the greatest amount of friction due to the increased contact points between the surfaces, resulting in a higher resistance to motion. Smooth surfaces typically have less friction due to reduced contact points.
What pressure would you expect in a rigid container of 0 degrees Celsius gas if you cooled it by 273 degrees Celsius?
The pressure would decrease to zero because a gas at 0 degrees Celsius is frozen, and frozen gas does not exert any pressure due to lack of molecular motion.
What should a person expect to happen to the air pressure as they move from the base of a mountain to the top of the mountain?
As a person moves from the base to the top of a mountain, the air pressure decreases. This is because there is less air above you at higher altitudes, resulting in lower pressure due to decreased atmospheric density.
What do you expect to happen to the volume of the gas if its pressure is doubled and its temperature is reduced to half?
From Boyle ideal gas law P1V1/T1 = P2V2/T2 so volume is reduced by a factor of 4
What change do you expect on increasing pressure and lowering the temperature of a gas?
Increasing pressure on a gas while lowering its temperature will lead to a decrease in the gas's volume, as described by the combined gas law (PV = nRT). According to this law, if the temperature decreases while pressure increases, the volume must decrease to maintain the equation's balance. Additionally, the gas molecules will have reduced kinetic energy at lower temperatures, which can result in increased condensation or phase change if the conditions are extreme enough.
The pressure is changed from 500 kPa to 250 kPa. What would you expect the new volume to be if the initial volume is 200 mL?
If the pressure is halved from 500 kPa to 250 kPa (a decrease), we can expect the volume to double if the temperature remains constant. This means the new volume would be 400 mL when starting with an initial volume of 200 mL.
Would you expect high or low pressure at the pole?
you would expect it to have high pressure
Would you expect high or low air pressure at the poles?
you would expect it to have high pressure
What is the relationship between air pressure and temperature?
The relationship between air pressure and temperature is most frequently used in weather. When there's a high pressure system you can expect lower temperatures per higher pressure and dry air. When there's a low pressure system, its the exact opposite. You can expect humid air and warm temperatures.
At which temperature would it be reasonable to expect water to boil at the top of Mt. Everest?
At the top of Mt. Everest, which is approximately 8,848 meters (29,029 feet) above sea level, the atmospheric pressure is significantly lower than at sea level. Due to this reduced pressure, water boils at around 68°C (154°F) instead of the standard 100°C (212°F) at sea level. Therefore, it would be reasonable to expect water to boil at about 68°C on Mt. Everest.
What type of weather do you expect on a high pressure day?
High Pressure days, these types of pressure systems do not allow for cloud formation, therefore, you can expect sunnydays.
What volume would you expect the gas to occupy if the pressure is increased to 40 kPa?
Assuming all other conditions remain constant (temperature and amount of gas), Boyle's law states that the volume of a gas is inversely proportional to its pressure. Therefore, if the pressure is increased to 40 kPa, the volume of the gas would decrease proportionally.
What would you expect to change a liquid density?
temperature of the fluid.
What type of weather do you expect in a high-pressure system?
You expect calm weather with few or no clouds.
Would you expect the air pressure in a valley that's sea level to be higher or lower than air pressure at sea level?
I would expect it to be lower.
