How long can helium balloons last?
Helium, high-purity helium
In theory:
One bottle of helium gas 40L, pressure 10MPa
A balloon is about 10L, with a pressure of 1 atmosphere and a pressure of 0.1Mpa
40 * 10/(10 * 0.1)=400 pieces
A balloon with a diameter of 2.5 meters has a volume of 3.14 * (2.5/2) ^ 2=4.90625 square meters=4906.25 liters
Under standard conditions, 1mol of gas is 22.4 liters, so a total of 4906.25/22.4 is required, which is approximately 219mol. Therefore, approximately 219mol of helium gas is needed, and 219mol * 4g/mol=876g of helium gas is needed
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How long can helium balloons last?
In theory:
One bottle of helium gas 40L, pressure 10MPa
A balloon is about 10L, with a pressure of 1 atmosphere and a pressure of 0.1Mpa
40 * 10/(10 * 0.1)=400 pieces
A balloon with a diameter of 2.5 meters has a volume of 3.14 * (2.5/2) ^ 2=4.90625 square meters=4906.25 liters
Under standard conditions, 1mol of gas is 22.4 liters, so a total of 4906.25/22.4 is required, which is approximately 219mol. Therefore, approximately 219mol of helium gas is needed, and 219mol * 4g/mol=876g of helium gas is needed
Here, Wuhan Yisi Tuopu Technology Co., Ltd. takes a 10 inch helium balloon (one inch refers to one inch, which is equivalent to a diameter of 2.54 centimeters, and the diameter of a 10 inch helium balloon is about 25 centimeters) as an example. Generally speaking, a 10 inch helium balloon can be held for about 5 hours, although the holding time is not fixed. If the helium balloon is held for a longer period of time in a cooler environment, such as an air-conditioned room, it can generally be held for 7 hours, depending on the temperature.
Special attention should be paid to outdoor use: please try to avoid direct sunlight before the activity begins. After being exposed to sunlight, balloons will lose their luster, which means that "oxidation" is affected by temperature, greatly reducing the lifespan of helium balloons. If using helium balloons cannot avoid direct sunlight, special attention should be paid to the environment where helium balloons are exposed to sunlight. Generally speaking, helium balloons can only last for 4 hours. If it is summer and the light is strong, it is difficult to maintain a duration of 4 hours. So when doing activities, it is important to pay attention to budgeting for time. So friends should pay attention to how long helium balloons can be stored, which is closely related to temperature.
Here, Wuhan Yisi Tuopu Technology Co., Ltd. takes a 10 inch helium balloon (one inch refers to one inch, which is equivalent to a diameter of 2.54 centimeters, and the diameter of a 10 inch helium balloon is about 25 centimeters) as an example. Generally speaking, a 10 inch helium balloon can be held for about 5 hours, although the holding time is not fixed. If the helium balloon is held for a longer period of time in a cooler environment, such as an air-conditioned room, it can generally be held for 7 hours, depending on the temperature.
Special attention should be paid to outdoor use: please try to avoid direct sunlight before the activity begins. After being exposed to sunlight, balloons will lose their luster, which means that "oxidation" is affected by temperature, greatly reducing the lifespan of helium balloons. If using helium balloons cannot avoid direct sunlight, special attention should be paid to the environment where helium balloons are exposed to sunlight. Generally speaking, helium balloons can only last for 4 hours. If it is summer and the light is strong, it is difficult to maintain a duration of 4 hours. So when doing activities, it is important to pay attention to budgeting for time. So friends should pay attention to how long helium balloons can be stored, which is closely related to temperature.
