Is it easier to form a positive ion with an element that has a high ionization energy or an element that has a low ionization energy.
(try to keep it short and simple)
low
I was able to unscrew the lower heating element (using the large hexagonal pipe socket) but the upper element is unmovable despite using pipe wrench, hammer, and the combined force of two large men, etc. It is unmovable and the brand new pipe socket just pops off one maximum pressure is applied. Is there anything I can do besides buy a new water heater? (The element is definitely not working)
you have to break the corrosion in the threads. try some penetrating oil(3-in-1, Liquid Wrench) or WD-40, allow it to soak around the threads. tap with a hammer.
apply heat via propane torch around the edges of the threads, without melting the plastic parts of the element. use a pipe wrench around the pipe socket, and add a 1′ piece of pipe over the pipe wrench handle to increase leverage. tap that with a hammer.
if you have that much corrosion, there may be more than just the element shot: the sacrificial rod, inner skin. if the heater is more than 10-12yrs old, probably time for a new one.
Hope that helps.
Also, what is the heaviest element any star can fuse? What happens to a star after that?
The heaviest element that our Sun produces is probably silicon; the core temperature and pressure would need to be MUCH higher to produce heavier elements. The heaviest element that can be produced in ANY star is iron.
The reason for this is something called the "packing fraction curve". As light elements are fused into heavier elements, they release energy; this is how the Sun and other stars work, by fusing hydrogen into helium. Toward the end of a star’s life, the temperature and pressure increase enough to fuse helium into carbon, and then carbon into heavier elements, but each stage releases less and less energy. Finally, when elements fuse into iron, you can get no more energy out. To fuse iron into heavier things, or anything into elements heavier than iron, you must put energy IN. When a star begins fusing iron into heavy elements, it suddenly stops producing energy to support the star against the tremendous gravity, but instead starts sucking energy OUT of the core of the star to power fusion!
This loss of energy from the core of the star causes a sudden and catastrophic implosion as the core of the star collapses the core into a black hole or neutron star, and the outer layers of the star are compressed and expelled in a shock wave that creates gigatons of heavy elements and throws the remainder of the star’s mass into space; a supernova explosion.
So, nothing heavier than iron can be produced in a normal star; heavier elements are only created in supernovas.
The system has 5 elements, each element has different kinetic energy.
Some of the elements may have rotational movement at one end and different rectilinear motion at the other end. How can I combined the two?
add them up. energy is a scalar, so it adds easily.
Kinetic Energy in J if m is in kg and V is in m/s
KE = ½mV²
Angular kinetic energy K in Joules
K = ½Iω²
ω is angular velocity in radians/sec
I is moment of inertia
I = cMR²
M is mass, R is radius
c = 1 for a ring or cylinder
c = 2/5 solid sphere
C = 1/2 solid cylinder or disk around its center
.
What element, present as an impurity in diesel fuel, causes it, upon combustion, to form products with a disagreeable odor?
nitrogen
What element forms the bridge between the monomers that make up maltose and sucrose? What molecule was made during the condensation reactions that formed these disaccharides?
If you can, please provide a link:)
no element makes a link, it goes through dehydration synthesis so h2o is removed and they become chemically bonded
It’s for a science project, and one of the requirements is:
Identify common compounds or molecules this element naturally forms
and my element is gold, and suggestions on common compounds or molecules? Please?
Gold is a noble metal and so is not very reactive.
Gold cyanide – Au(CN)2- – is commonly used in electroplating
Chloroauric acid, HAuCl4 – forms when Au dissolves in aqua regia.
The second reference has a wide range of compounds of gold.
Hope that is useful.
There are two thermocouple "K" type Cr-Al junction. One of them have wire Diameter 1.5 sq mm and other of 2.5 Sq mm. Even the length of the element is 400 mm and other 425.
Neither the wire length nor the wire diameter have any effect on performance. The meter measures emf, which is not affected by either of these.
What DOES affect performance is purity of the wire. If some other substance is present in, say, the chromel, then it acts as a thermocouple itself, giving an error. The critical part of the wire is the part subjected to the thermal gradient.
The emf is not generated in th ejunction, but rather in the thermal gradient area of the wire. The junction simply serves to connect the two wires together electrically.
Can it still be used or would it start a fire?
Can I buy a new element and install it – how much would it be?
Or am I stuck buying a whole new stove/oven?
.
the oven in about 20 years old and this is the first time something bad has happened to it.
.
I would like to buy another because its old but before last night, it worked perfectly.
.
can older model elements be found.
.
.
its an old Sears model
.
DO NOT USE IT! My husband got hurt that way and our apartment could have burned down!
You can just buy a new element…look online for the manufacturers website…they may list a newer element that is compatible with your older stove.
Please don’t use it:)
Best Wishes!
Why is organization is such an important element of good writing?
Oh sorry. I had a typo before.
Substance & Organization (1st three steps of good writing)
Step 1 – Research
Step 2 – Plan
Step 3 – Draft
Organization & substance are used to transmits a clear message in a single rapid reading…
Style & Correctness (last two steps of good writing)
Step 4 – Revise
Step 5 – Proof
Style & Correctness are used
…generally free of errors in grammar and mechanics.
5-step writing process, and their relationship to each other.
Substance is the most important of the elements. Substance includes your controlling idea and the support for it. It is the total concept you want to present. A good idea can survive mechanical flaws, but perfect spelling and grammar can’t save poor ideas.
Organization comes next. Organization is the pattern you use to present your idea and support. There is no single way to present ideas. You must decide which organizational pattern best communicates your ideas. Poor organization can obscure good ideas.
Style, the third element, is how you present your material. It has to do with concerns such as formats, vocabulary, and packaging.
Correctness, the last element, is what most people think of when you ask them what good writing is–grammar, spelling, punctuation, and the other mechanical devices writers use. Correctness is important because errors can distract a reader from the ideas in the paper.
THE PROCESS
Step 1 — Research is the gathering of ideas. People gather ideas in different ways, so you must find the one which best suits you and your task. This means that as you gather ideas, you must keep in mind both your purpose and your audience.
Gather as many ideas as you can. It’s easier to throw out the ideas you don’t need than it is to go back and do more research. Once you have the ideas you need, go on to planning.
Step 2 — Planning is the step in which you take all the information you’ve gathered and put it into a logical order. Start by placing your ideas into groups. Then order your groups in the way that best supports your task.
Once you have the controlling idea, add your support paragraphs and an introduction (if needed) and a conclusion (if needed). What you have is a rough plan or outline. Now you’re ready to write your first draft.
Step 3 — Drafting is an important step. The draft is the bridge between your idea and the expression of it. Write your draft quickly and concentrate only on getting your ideas down on paper. Don’t worry about punctuation and spelling errors.
Use your plan. State your controlling idea (the bottom line) early and follow the order you’ve already developed. When you have the ideas down and you’re satisfied with the sequence, put the paper aside. You’ve finished the draft, and you need to get away from the paper for a while before you start to revise.
Step 4 — Revising is looking at the material through the eyes of your audience. Read the paper as if you have never seen it before. Find where you need to put in transitions; look for places that need more evidence.
Then write another draft making the changes you’ve noted and using a simple style. Package the material so it’s easy to read by using short paragraphs and labels (if necessary).
Step 5 — Proof. Now you’re ready to proof the draft. At this point, forget about substance, organization, and style; concentrate on grammar, mechanics, and usage. You may want to have someone else read the paper, too. Sometimes other people can find errors you can’t because you’re too close to the problem.
When you finish, write the final draft, making the corrections. Mission accomplished.
NOTE: We called the final paper a final draft because, as a good editor once said, "You never finish revising; you just run out of time."
THE STANDARD
A writer achieves quality, substance, and organization through research and planning. These elements ensure understanding and rapid reading.
Likewise, style and correctness, achieved through revision and proofing, ensure the material is generally free of errors.
The important things to remember are these: each of the elements depends on the others, the steps in the process are cyclical and function most effectively as a whole, and "good reading is… hard writing." (Hemingway)
Together, substance and organization have the most direct effect on the understandability of a paper. A clear, well-supported idea with an effective organization communicates. A faulty idea, faulty support, or faulty organization can defeat communication.