What does FE stand for in the Periodic Table of Elements?

Answers

Answer 1

Answer:

FE stands for iron in the Periodic Table of Elements.

Iron is a chemical element with the atomic number 26 and the symbol Fe, derived from the Latin word "ferrum." It is a transition metal and belongs to Group 8 and Period 4 of the periodic table.

Iron is well-known for its distinctive qualities, including its tremendous strength, silvery-gray colour, and magnetic tendency. It is an essential component in the creation of steel and is necessary for many biological activities, including the transfer of oxygen in the blood. Iron compounds are frequently employed in both industrial settings and daily life.

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Answer 2

Answer: It stabds for Iron.

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0. Give an example of how an organism can use surface tension.

Answers

Answer:

In case of plants surface tension help to support the transpiration pull.

Explanation:

Surface tension is a force that hold the molecules in the surface to minimize the surface area.

During evaporation of excess amount of water from the stomata of leaves of plants by transpiration a surface tension is generated.

The generated surface tension helps to maintain the water column within the xylem tissue by the absorption of water from the soil by the roots.

What is a reaction mechanism

Answers

Answer:

In chemistry, a reaction mechanism is the step by step sequence of elementary reactions by which overall chemical change occurs. A chemical mechanism is a theoretical conjecture that tries to describe in detail what takes place at each stage of an overall chemical reaction.

Explanation:

How many moles of carbon dioxide gas can formed formed the combustion of 4 moles of c5h14

Answers

Answer:

n CO2 = 20 mol

Explanation:

balanced reaction:

2C5H14 + 17O2 → 10CO2 + 14H2O

∴ n C5H14 = 4 mol

⇒ mol CO2 = ( 4 mol C5H14)*(10 mol CO2/2 mol C5H14)

⇒ mol CO2 = 20 mol

How does a seal belt help prevent injuries by applying a for

Answers

A seat* belt can help prevent major injuries from car crashes because it can buckle people down safely. If a car crashed into the car and you were in the front seat without a seat belt, you could catapult straight out the window. With a seatbelt on, you will be restrained and fastened to the chair and have some not major injuries.

A seat belt helps to prevent injury in the event of a car crash by reducing the velocity of a body as it experiences a sudden decrease in speed. Due to the body's inertia, which is its 'resistance to a change in speed or direction of travel', a passenger in a vehicle will want to continue travelling forwards once the car has reached a sudden stop. If the vehicle is travelling at 50mph and crashes into a brick wall, instantly reducing its velocity to zero, the passenger will continue moving forwards at 50mph unless there is something in front of them to create a 'stopping force'. This is because the velocities of the car and passenger are independent.. Hope this helps you!(: Good luck.

About how much is one liter?

Answers

Look at the liter man it’s a great way to learn how much every liquid measurement is

What are some facts about covalent bonding?I need some information for my chemistry poster please, thank you.

Answers

When two atoms come near each other, sometimes they stick together to make a molecule. One way they can stick together is by covalent bonding.In covalent bonding, the atoms are unstable because their outer rings of electrons aren't filled up. By sharing electrons with other atoms, these atoms can fill up their outer rings and become stable. In water, for instance, the oxygen atom needs two more electrons to be stable, and the hydrogenatoms each need one. When they get together, the oxygen atom shares oneelectron with each of the hydrogen atoms, and the hydrogen atoms eachshare one electron with the oxygen atom.Now that the atoms have become stable, it's pretty hard to knockthem back into being unstable again, so covalent bonds are strong andmolecules that form with covalent (sharing) bonds are strong molecules.Covalent bonding makes very strong connections between the atoms,so it's hard to break these molecules apart. On the other hand,molecules that join with covalent bonds aren't very much attracted toeach other (unlike with ionic bonding), so they move freely around eachother. That means that most molecules that form covalent bonds makeeither liquids or gases, like water and carbon dioxide. The main exception is metals,which hold together using covalent bonding but are still solids. That'swhy metals are so flexible and easy to melt so you can make them intodifferent shapes.

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