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Why does air pressure decrease as temperature increases?
As air temperature increases, the air molecules gain more energy and move faster, leading to an increase in pressure against the walls of the container. However, the increased molecular motion also makes the air less dense, causing it to expand and exert less pressure overall. This results in a decrease in air pressure as temperature increases.
What is the partial pressure of oxygen in the blood of a fish at a depth of 250 meters in the ocean?
The partial pressure of oxygen decreases with depth in the ocean due to increasing water pressure. At 250 meters depth, the partial pressure of oxygen in the blood of a fish would be significantly lower compared to the surface level. This reduction in oxygen partial pressure can impact the fish's ability to extract oxygen for respiration.
Which term describes the upward push on the wings of an airplane that is caused by unequal pressure?
The term is "lift." It is created by the difference in air pressure between the upper and lower surfaces of the wing as the airplane moves through the air. This lift force allows the aircraft to overcome gravity and stay airborne.
How can a woman wearing high heels exert a greater pressure than an elephant?
A woman wearing high heels can exert greater pressure than an elephant due to the smaller surface area of the heel in contact with the ground. Pressure is defined as force divided by area (P = F/A), so when the woman's weight is concentrated on the narrow heel, it generates a high pressure despite her overall weight being much less than that of an elephant. In contrast, an elephant's weight is distributed over its larger feet, resulting in lower pressure on the ground.
What does low elevation mean?
It's a height measurement usually using the sea level as a reference. Low altitude is close to sea level and high altitude is a high above sea level. Answer It's relative. For planes it's anything less than 500 feet off the ground. For orbital space near Earth, it's within maybe 100 miles.
Why waters boils at lower temperature on the top mountain when at sea level in boils at 100 degrees?
Water boils at lower temperatures at higher altitudes because the atmospheric pressure is lower at higher altitudes. This lower pressure decreases the boiling point of water. At sea level, the atmospheric pressure is greater, causing water to boil at 100 degrees Celsius.
Why is it different at 5000 feet to boil water?
The atmospheric pressure is lower. When you are boiling the water, the water's vapour saturation pressure is able to match the atmospheric pressure faster therefore it boils faster and at a lower temperature.
What factor besides temperature affects the boiling point of water apex?
Besides temperature, atmospheric pressure significantly affects the boiling point of water. At higher altitudes, where atmospheric pressure is lower, water boils at a lower temperature. Conversely, at increased pressure, such as in a pressure cooker, water boils at a higher temperature. This relationship is crucial for cooking and various scientific applications.
What are the standard atmospheric conditions for water to boil at 212 degrees Fahrenheit?
Water boils at 212°F (100°C) at standard atmospheric pressure of 1 atm or 14.7 psi. At higher elevations, where atmospheric pressure is lower, water will boil at a lower temperature.
When do water boil?
Water boils at 100 degrees Celsius (212 degrees Fahrenheit) at standard atmospheric pressure (1 atmosphere). However, the boiling point can change depending on the surrounding pressure; for example, at higher altitudes where atmospheric pressure is lower, water boils at a lower temperature. When water reaches its boiling point, it transitions from a liquid to a gas (steam).
Why does water boils at lower temperatures than in a valley?
Water boils at lower temperatures at higher altitudes because the atmospheric pressure is lower. In a valley, the air pressure is greater, which allows water to reach a higher temperature before boiling. At higher altitudes, where the air pressure is lower, the boiling point of water decreases.
Why would water boil at less than 100 degrees on top of a mountain?
The boiling point of any liquid is the temperature at which its vapor pressure becomes equal to the atmospheric pressure. So if the atmospheric pressure is lower, it will take a lower temperature to make the vapor pressure equal to that of atmospheric pressure. At hill-stations, the air is generally thinner due to the altitude and the atmospheric pressure is also lower. Here, it requires less than 100oC temperature to reach the point where the vapor pressure of water reaches that of air. So, water boils below 100oC at hill stations.
Why boiling point of water is not fixed?
The boiling point of water can vary based on factors like altitude and atmospheric pressure. At higher altitudes, where the atmospheric pressure is lower, water boils at a lower temperature. This is because the lower pressure makes it easier for water molecules to escape into the air as vapor.
How can you change the boiling point of liquid?
You can change the boiling point of a liquid by adjusting the pressure on the liquid. Increasing the pressure raises the boiling point, while decreasing the pressure lowers it. This is why water boils at a lower temperature at higher altitudes where the atmospheric pressure is lower.
Is cooking time affected with atmospheric pressure?
Yes, cooking time is affected by atmospheric pressure. At higher altitudes, where atmospheric pressure is lower, water boils at a lower temperature, which can result in longer cooking times for certain foods. Conversely, at lower altitudes, food may cook faster due to higher boiling temperatures. Adjustments in cooking methods or times may be necessary based on the altitude and corresponding atmospheric pressure.
Why would a camper near the top of mt Everest find that water boils at less than 100 degrees Celsius?
Water boils at lower temperatures at higher altitudes due to the decrease in atmospheric pressure. At the top of Mt. Everest, the atmospheric pressure is significantly lower than at sea level, causing water to boil at temperatures below 100 degrees Celsius.
Can water boil at 211?
No, water boils at 212°F (100°C) at sea level under standard atmospheric pressure. If the pressure is lower than standard, water can boil at a lower temperature.
