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Clouds

A cloud is a visible body of very fine water droplets or ice particles suspended in the atmosphere at altitudes up to several miles above sea level. They are generally produced by the condensation of water vapor. Other clouds, less commonly seen, are composed of smokes or dusts.

10,186 Questions

How water gas is prepared?

Water gas is prepared by reacting steam with a carbon-containing material, such as coal or natural gas, at high temperatures (700-1100°C) in the presence of a catalyst like nickel. This process, called steam reforming, produces a mixture of carbon monoxide and hydrogen gas.

Why does the wind blow?

Wind is mainly caused by the uneven heating of the Earth's surface by the sun, which creates differences in air pressure. Air moves from high pressure areas to low pressure areas, causing wind. Other factors such as the Earth's rotation and geographical features also influence wind patterns.

What is the hottest lightning?

The hottest lightning can reach temperatures of about 30,000 kelvin (53,540 degrees Fahrenheit) for a fraction of a second during a lightning strike.

Are tropical storms given names?

Yes, tropical storms are given names to aid in communication and public awareness. The World Meteorological Organization (WMO) maintains a list of names that are used on a rotating basis for storms in different ocean basins around the world.

What happens to the molecule when an object changes from a solid to a liquid and from a liquid to a gas?

It moves faster.

In a solid, the molecules are vibrating very slowly.

In a liquid, they're vibrating quickly enough to move past each other, but they're still attracted to each other enough to stick together in a blob.

In a gas, they're vibrating/moving quickly enough that they don't even stick together in a blob, and move in all directions with only minimal attraction/interaction.

What predictions about the weather can be made as the barometer reading falls?

As the barometer reading falls, it typically indicates that low pressure and poor weather conditions are approaching. This could result in increased cloud cover, precipitation, and potentially stormy weather. Additionally, falling barometric pressure is often associated with windy conditions.

Why is atmospheric pressure generally lower beneath a mass of warm air than beneath a mass of cold air?

Warm air is less dense than cold air. Heat is energy, so the warm air molecules are more energetic and move about more, increasing the distance between molecules - thus less dense.

Density is not weight as some have implied. Density is Mass/Volume.

Atmospheric pressure =(density)(accel due to gravity)(height of atmosphere)

The last two terms are constant regardless of temperature of air. Warmer air has less density and thus the pressure due to this air is less.

Alternatively, you could picture two columns of air from the ground to the top of the atmosphere having the same volume. If one has cold air and the other warm, the cold air column, being more dense, will have more mass of air within it since the volume is constant. The greater mass will weigh more due to gravity.

A cool region underneath cloud cover will have a region with no cloud cover and a higher what?

a higher pressure than

a higher density than

a higher pressure than

will have a higher density
a higher air pressure than
a higher density than

State three properties of air?

Air is a mixture of gases composed primarily of nitrogen and oxygen. It has the ability to expand or contract depending on changes in temperature and pressure. Air is transparent, odorless, and tasteless.

Which state is the cloudiest state?

The western halves of Washington State and Oregon are probably the cloudiest areas of the U.S.

Does warm air or cold air make gas particles move apart?

Gas particles, like the particles in all states of matter (solid, liquid, gas) are always moving apart and colloding with other particles. Gas particles have more space in between and tend to move faster than the particles in a solid or liquid state. Temperature only affects how fast a particle moves, therefore warm air makes gas particles move faster and cold air makes gas particles move slower.

Why can more water vapor be present when air is warmer?

Warmer air has a higher capacity to hold water vapor compared to cooler air due to increased molecular movement. This allows warmer air to hold more water molecules before reaching saturation, leading to higher water vapor content in the atmosphere.

How can a liquid change its state?

By freezing

so if it got froze it would no longer be a liquid.

the answer alltogether though is : A LIQUID CHANGES ITS STATE BY FREEZING.

Wall clouds can range from a fraction of what?

Wall clouds can range from a fraction of a mile to several miles wide. They are typically associated with severe thunderstorms and can indicate the potential for tornado development. These clouds can appear dark and turbulent due to the strong updrafts associated with the storm.

What are the three ways in which ice crystals can form in a cloud?

Vapor deposition (Diffusional growth) - The vapor pressure over an ice crystal is

much lower than that over a liquid droplet. Because atmospheric properties tend to move from regions of higher pressure to regions of lower pressure, water vapor surrounding liquid droplets tends to diffuse towards the ice crystals and deposit on them. This creates a deficit of water vapor above the droplet, which evaporates to make up for it. The newly evaporated water vapor also diffuses to the ice crystal, so that the ice crystal grows at the expense of the water droplet

Accretion - As ice particles fall through the cloud at a higher velocity than cloud

droplets, it collides and collects the supercooled droplets, which freeze upon contact with the crystal. The collected droplets are known as rime.

Aggregation - Ice crystals falling through the cloud can collide with each other and stick together. This process is particularly efficient at temperatures near 0C, because the thin liquid water coating that forms on the partially melted crystals can act as an adhesive between the crystals.

Where does water exist on mars what forms it ice liquid or gas?

Water on Mars exists in all three forms: ice, liquid, and gas. Ice is mostly found in the polar ice caps and in subsurface glaciers. Liquid water is occasionally detected as brines during certain seasons. Water vapor is also present in the Martian atmosphere, although in low concentrations.

What causes water to turn into gas?

Water turns into gas (water vapor) through a process called evaporation. This occurs when heat energy is applied to water, causing the water molecules to gain enough kinetic energy to overcome the forces holding them together as a liquid. The molecules then escape into the air as gas.

When a warm bottle of cola is opened and gas spews is it a physical or chemical change?

When a warm bottle of cola is opened and gas spews out, it is a physical change. The release of gas is due to a change in pressure causing the carbon dioxide already present in the liquid to rapidly escape. No new substances are formed in this process.

What is the cloud seedling?

Cloud seeding is a method used to modify weather by dispersing substances into the air to encourage cloud formation or precipitation. By introducing substances like silver iodide or potassium iodide into clouds, it is believed that more rain or snow will be produced. Cloud seeding is employed in regions experiencing drought or to increase snowpack in mountainous areas.

What are the 3 tallest towers in the world?

It might be the empire state building, the sears, tower, or the CNN tower which is in Florida or Canada. :)

Do clouds form better in dry or moist air?

Clouds are more likely to form in moist air because the moisture provides water vapor, which is necessary for cloud droplets to condense and form. Dry air lacks the necessary water vapor for cloud formation.

How many droplets in a cloud?

At least a 2 million droplets are in a raindrop

What solids change into liquids?

Only Dry Ice (frozen carbon dioxide) can. If you leave dry ice alone, there will be gas (vapour) 'coming out' of the dry ice, and you'll notice that the ice's size has decreased.

-Jason K.

When water in rivers lakes and oceans is heated by the sun changes from a liquid to a gas and moves into the atmosphere it is called?

This process is called evaporation. Water molecules absorb energy from the sun, gain enough kinetic energy to break free from the liquid phase, and transform into water vapor in the atmosphere.

What are the benefits of clouds?

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Scalable IT infrastructure: the major benefit of cloud computing lies in the flexibility to scale up or down the IT infrastructure depending on the enterprise needs. This means that the enterprise do not have to provision for future needs as the IT infrastructure they need may be set up in minimal time. This also means that the time to start a business process is not contingent on IT infrastructure establishment time.

Cost: Cloud computing inherit virtualization technology framework which essentially involves sharing of resources, both storage and server space. This invariably brings down the rented IT infrastructure costs and the pay as you go model further save the one time upfront investment in local Network and the management of the infrastructure.

Bridging technology gap: small and medium business is at a disadvantage if we consider the intense market competition driven by new technology offerings. To meet this challenge they have to divert their resources and ultimately the business focus gets misbalanced. Cloud hosting services offer them the alternative as they can own the infrastructure by just renting them without the need of actually busying them. The process saves on the invaluable capital assets by converting them to 'service costs' payable on monthly and 'pay as you go basis'.

Simplified IT management: With third party service providers IT resource management becomes easy, more efficient and more productive. Since the optimal use of the IT resources are contingent on the technical support as well as effective monitoring, the cloud hosting service providers are always the best alternative as they manage the applications, security as well as troubleshooting of network errors. Cloud hosting further leads to efficient network management due to shared computing resources and load balancing factors leading to virtually no server down time.

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