If you inhale helium from a balloon and do your best to speak normally, your voice will
Question:
Step by Step Answer:
Helium is less dense than air It carries sound at higher speed E...View the full answer
Exploring Engineering An Introduction to Engineering and Design
ISBN: 978-0123747235
2nd edition
Authors: Philip Kosky, George Wise, Robert Balmer, William Keat
Related Video
Helium and hydrogen balloons from a chemistry perspective is the atomic structure of the gases. While both helium and hydrogen balloons can achieve lift and rise into the atmosphere, the choice between the two gases is mainly based on safety considerations. Helium is non-flammable and non-reactive, making it a safer choice than hydrogen, which is highly flammable and can react with oxygen in the air to form water vapor. As a result, helium is the gas of choice for most commercial and recreational balloons, while hydrogen is only used in specialized applications where its high lifting power is necessary and the risks can be mitigated. Buoyancy is the upward force that is exerted on an object when it is immersed in a fluid (in this case, air). This force is equal to the weight of the fluid displaced by the object. When a balloon is filled with helium or hydrogen gas, it becomes lighter than the surrounding air because these gases have a lower density than air. As a result, the upward buoyant force on the balloon is greater than the downward force of gravity, causing the balloon to rise into the air. The amount of lift generated by a balloon depends on several factors, including the volume of the balloon, the amount of gas it contains, and the weight of the balloon and any attached objects. A larger balloon or one filled with more gas will generate more lift, while a heavier object attached to the balloon will require more lift to be generated to keep it aloft.
Students also viewed these Oscillations Mechanical Waves questions
-
For the structure below, do your best to identify all of its members as beams, compression members, or tension members. D E F A G 5.0 kN 5.0 kN cable 10. kN cable
-
You fill a balloon with helium gas to a volume of 2.68 L at 23oC and 789 mmHg. Now you release the balloon. What would be the volume of helium if its pressure changed to 632 mmHg but the temperature...
-
A spherical 24-in.-diameter balloon contains helium at 72°F. What is the mass of helium in the balloon assuming the pressure is approximately 14.7 psia? Approximate the diameter of the balloon at...
-
The common stock of Fido Corporation was trading at $45 per share on October 15, 2010. A year later, on October 15, 2011, it was trading at $80 per share. On this date, Fidos board of directors...
-
What is the least-squares line approximation to a set of data points?
-
Mary Dobos was admitted to Boca Raton Community Hospital in serious condition with an abdominal aneurysm. The hospital called upon Nursing Care Services, Inc., to provide around-the-clock nursing...
-
\(6^{2} \times 5-13 \times 9^{2}\) Perform the indicated calculation.
-
Common Chemical Companys management is evaluating its product mix in an attempt to maximize profits. For the past two years, Common has produced four products, and all have large markets in which to...
-
Jennifer was divorced from her husband in 2014 and has not remarried. ? Jennifer provided the entire cost of maintaining the household and over half of the support for her children, Carla and...
-
Ryan Ross (111-11-1112), Oscar Omega (222-22-2222), Clark Carey (333-33-3333), and Kim Kardigan (444-44-4444) are equal active members in ROCK the Ages LLC. ROCK serves as agent and manager for...
-
If you wet your finger and lightly run it around the rim of a fine wineglass, a high-frequency sound is heard. Why? How could you produce various musical notes with a set of wineglasses, each of...
-
You have a standard tuning fork whose frequency is 262 Hz and a second tuning fork with an unknown frequency. When you tap both of them on the heel of one of your sneakers, you hear beats with a...
-
What is meant by the phrase consumerization of IT?
-
In June 2015, Gillian was given shares with a market value at that time of 6,000. In November 2022 she made a successful claim to the effect that these shares now had a negligible value of only 80....
-
What are some of the sources of tension between senior staff and the board in a nonprofit? How can these issues be addressed to create a true partnership between the two elements of the leadership...
-
Do you subscribe to the technocratic view or the democratic view of nonprofit boards (see Kramer, 1985)? Support your position.
-
What are some of the ways of educating board members about their roles and responsibilities? Why are both board members and executives directors sometimes ambivalent about board education and...
-
What are the most important steps a nonprofit should take to manage diversity effectively? How would you apply these strategies to women in the workplace? To ethnic and cultural groups?
-
Explain the following terms and their relevance to debt-finance decision makers: (a) Negative covenant. (b) Conversion premium. (c) Collateral. (d) Strip bonds. (e) Sukuk.
-
Use the graphs of f and g to graph h(x) = (f + g) (x). To print an enlarged copy of the graph, go to MathGraphs.com. 1. 2. y 24 8. 2. -2 -2 4 6
-
Refer to the information in P20-4. Follow the instructions under the assumption that Situ Ltd. follows IAS 17. Data From P20-4: Refer to the information in P20-3. Instructions (a) Prepare the journal...
-
Which is the most accurate statement about the probate process? Group of answer choices Federal estate tax law sets forth the rules governing the probate process. The probate process involves the...
-
True or False? Real-time means that when a flight is booked in a GDS, the airline's inventory is decreased immediately
-
By an act of Congress, the Small Business Administration (SBA) was created in which one of the following years? Group of answer choices 1953 1968 1973 1985 1993ng is done at a discount to the third...
Study smarter with the SolutionInn App