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Technology

The practical application of knowledge, especially in a particular area, is called technology. Advances in technology affect every area of our lives. This category is for questions about technology and includes everything from how to remove a scratch from a CD to applications of electronics to what polyester is made from and more.

35,090 Questions

Can gold exist in gas form?

Gold can exist in a gas form under very high temperatures. At temperatures above 2880 degrees Celsius (5216 degrees Fahrenheit), gold can be vaporized into a gas state, where it becomes a gold vapor. This process is not commonly encountered under normal conditions.

What technology did Neil's Bohr use?

Niels Bohr is known for developing the Bohr model of the atom, which proposed that electrons orbit the nucleus in discrete energy levels. This model was a key development in the history of quantum mechanics. Bohr's work helped to explain the stability of atoms and laid the foundation for further advancements in atomic theory.

Is S3 asuculated over the precordium a symptom of fluid overload?

Yes, S3 is commonly associated with fluid overload, as it can indicate impaired ventricular filling from increased blood volume. It is often heard in conditions like heart failure, where there is an excess of fluid in the circulatory system.

What is the maximum cell radius in LTE?

The maximum cell radius in LTE is approximately 100 km. However, this can vary based on factors such as terrain, frequency band used, and cell configuration.

How do mAh change into volts?

mAh (Milliampere-hours) and volts are two different measurements in electricity. mAh represents the capacity of a battery to store energy, while volts represent the electrical potential difference. There is no direct conversion between mAh and volts as they measure different aspects of the electrical system.

How does basic knowledge about atomic nuclei been used in technology?

Basic knowledge about atomic nuclei is used in various technologies such as nuclear power plants for electricity generation, medical imaging techniques like PET scans for diagnosing diseases, and in nuclear weapons for military purposes. Understanding atomic nuclei also enables the development of new materials with specific properties, such as radioactive isotopes used in industry and agriculture.

Is S3 a elemet or compound?

S3 is an element. It is a molecule composed of three sulfur atoms bonded together, forming a homonuclear diatomic molecule.

What is the result of two objects with disimilar electrical charges touching?

When two objects with dissimilar electrical charges touch, electrons will flow from the object with the more negative charge to the object with the more positive charge until both objects reach equilibrium and have similar charges. This process is known as charging by contact.

How big is each planet in miles?

The Body Miles at Diameter

Sun 865,370

Jupiter 86,800

Saturn 71,500

Uranus 29,500

Neptune 28,000

Earth 7,926

Venus 7,610

Mars 4,140

Pluto 3,700

Mercury 3,010

Moon 2,160

What is meant by the term global marketplace?

The global marketplace refers to the interconnected network of buyers and sellers operating across international borders, enabling the exchange of goods, services, and information on a global scale. It involves trade and competition between companies and customers from different countries, facilitated by advancements in technology and communication.

What Type of clay is used for cleaning fuel products?

Fuller's earth is commonly used for cleaning fuel products due to its ability to absorb oil, grease, and other impurities. It is a type of clay known for its strong absorption properties and is often used in industrial applications for filtration and purification purposes.

How much heat is released when methane and oxygen are burned?

890 kJ of energy are released when I mole of methane (16 g) is completely burned in oxygen.

When an incense stick is lighted the smell is felt throughout the room. Why does this happen?

In simple terms.. convection currents. Basically, the wisp of smoke generated by the smouldering incense stick 'floats' on air currents generated by people or animals moving around the room. The scent dissipates evenly within the enclosed space.

How could you show hooke with twenty-first-century technology that his findings were valid?

Using advanced imaging techniques like atomic force microscopy and X-ray crystallography, modern scientists can directly visualize and map the behavior of materials at the atomic level. By replicating Hooke's experiments under these controlled conditions and analyzing the data with sophisticated computational models, we can validate his conclusions and demonstrate the accuracy of his findings in a way that was not possible during his time.

What is the function of the water in wet and dry paper?

In wet sandpaper, the water helps to lubricate the surface being sanded, preventing clogging and reducing friction for smoother sanding. In dry sandpaper, water is not needed as the abrasive particles on the paper work directly on the material being sanded, without any lubrication.

If a shaft is developing 25 watts of power per second how much work it can do in one hour?

"Watts per second" is not a unit of power.

"Watt" is a unit of power. It means 1 joule of energy per second.

1 hour = 3,600 seconds

Total energy = (power) times (time) = (25 joules/sec) x (3,600 seconds) = 90,000 joules of work.

In what areas of a hospital must the numbers of microorganisms in the environment be strictly reduced to a minimum?

Areas such as operating rooms, intensive care units, and sterile processing areas in hospitals require strict reduction of microorganisms to minimize the risk of infections and ensure patient safety. Proper cleaning, disinfection, and sterilization protocols are crucial in these areas to maintain a clean and sterile environment.

How do you make ice crystals on alxemy?

To make ice crystals in Alxemy, combine the elements of water and cold. Place the water element on the cold element to create ice crystals.

Why do dry sodium chloride the solutions of sodium nitrate and sodium chloride all impart the same color of the flame?

The color of a flame is determined by the specific metal ions present in the substance being burned. In this case, both sodium chloride and sodium nitrate contain sodium ions, which are responsible for the yellow color observed in the flame test. When these substances are burned, the sodium ions are excited and emit yellow light, resulting in the same color of flame.

What reaction does 8fe S8 -- 8Fes?

This reaction involves iron (Fe) reacting with sulfur (S) to form iron(II) sulfide (FeS). When 8 moles of iron react with 8 moles of sulfur, it forms 8 moles of iron(II) sulfide.

What foods does escherichia coli-E. coli grow on?

Escherichia coli (E. coli) can grow on a variety of foods, such as raw or undercooked ground beef, unpasteurized milk or juice, raw fruits and vegetables contaminated with fecal matter, and contaminated water. It is important to practice good food hygiene and proper cooking techniques to prevent E. coli contamination.

What metals can be purified from their ores by heating them with carbon?

Metals such as iron, zinc, lead, and copper can be purified from their ores by heating them with carbon. The carbon reduces the metal oxide to the elemental metal, which can then be separated and purified.

What area of technology can be related with soda?

The area of technology that can be related to soda is automated vending machines or soda fountains that use technology to dispense drinks. Additionally, there are smart refrigerators that can keep track of soda inventory and even place orders for restocking. Finally, there are mobile apps that allow users to customize soda orders for delivery or pickup.