What is the chemical formula for ammonium carbonate?

Answer:

C. sorry if I'm wrong ...................

Answer:

3) A single specific wavelength

Explanation:

When an electron returns to ground state, it has to emit a single photon.

When a single electron returns to the ground state from an excited state, it emits a single, specific wavelength of light. Therefore, option 3 is correct.

The separation between any two points in a wave and those identical points in the following wave cycle. This can be null-to-null, crest-to-crest, trough-to-trough, etc.

A spectrum is the term used to describe the range of wavelengths or frequencies for wave phenomena. The term was originally used to describe the electromagnetic spectrum, but it is now used to describe the sound spectrum and vibration spectrum.

When electromagnetic radiation such as radio waves, light waves, or infrared waves travel across space, they leave behind distinctive patterns. Each wave has a distinct size and form. Wavelength is the separation between peaks.

Thus, option 3 is correct.

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Answer: here is a description of what they look like since I cannot see the diagram.

Mitochondria- wavy line

Ribosomes- little dots

Chromosome- X

Nucleus- Circle with bite taken out of it

Endoplasm- Bubble

Nuclear membrane- Outer layer/bubble

Golgi-wavy circle thing

Vacuole- Bigger circle (but not nucleus)

Cytoplasm- its the jelly on the inside

Cell wall- only in plant cells, looks like a box

Cell membrane- The outmost part of the animal cell, the barrier.

I sure hope this helps!!!

Answer:

The Sun is your answer.

Explanation:

it is.

Answer:

if by EXACTLY means 130.0000, then the answer is 3.3250

by EXACTLY means 1.299 <Kmass<1.301 then the answer is 3.33

EXPLANATION

which best represents the number of moles in exactly 130 grams of potassium metal?

the elemental mass of K is 39.098

so exactly 130 divided by 39.098 = 3.3250

if by EXACTLY means 130.0000, then the solution is 3.3250 by EXACTLY means 1.299 <Kmass<1.301 is 3.33

Potassium metal responds rapidly with atmospheric oxygen to create flaky white potassium peroxide in exclusively moments of exposure.

It stood preferably isolated from potash, the ashes of plants, from which its appellation derives.

In the systematic table, potassium is one of the alkali metals, all of which have a single valence electron in the outermost electron shell,

That is easily drawn to produce an ion with a positive charge a cation, that connects with anions to form salts. Potassium in disposition materializes only in ionic salts.

When the elementary mass of K is 39.098

Therefore, exactly 130 divided by 39.098 is = 3.3250

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Explanation:

i need to do it or what do i nedd

Answer:

Creating A Wave w/ rope

1 . The wave I created is a transverse wave, this is because the wave was moving in a perpendicular direction.

2. 20 Meters

3. 60 Hz

4. 1200 m/s

Creating A Wave w/ a slinky

1. The wave I created was a longitude wave, this is because the wave was moving parallel and the medium was going left.

2. 2 meters

3. 123 Hz

4. 246 m/s

Explanation:

I rally hope this helps you!!

Happy holidays!! <33

The momentum of the bowling ball will be greater than the rest balls.

The correct answer to the question is Option C. The 5 kg bowling ball

Momentum is defined as the product of mass and velocity i.e

Momentum = mass × velocity

If we keep the velocity of the object constant, the momentum will depend on the mass of the object.

Thus, the higher the mass, the greater the momentum and the lesser the mass, the smaller the momentum.

From the question given above,

Mass of tennis = 0.5 Kg

Mass of basketball = 2 Kg

Mass of bowling ball = 5 kg

We can see that the bowling ball has a higher mass.

Therefore, the momentum of the bowling ball will be greater than the rest balls.

The correct answer to the question is Option C. The 5 kg bowling ball

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Answer:

The reaction quotient!

Explanation:

hope this helped :D

Answer:

18

At STP, 22.4 liters of a gas forms one mole that is 6.023×10

23

molecules.

Volume of CO

2

in 1 litre of air =

100

0.03

×1 L

∴ No. of molecules of CO

2

=

22.4

6.023×10

23

×

100

0.03

=8.066×10

18

Explanation:

I guess it's this

[tex]\\ \sf\longmapsto PV=nRT[/tex]

[tex]\\ \sf\longmapsto n=\dfrac{PV}{RT}[/tex]

[tex]\\ \sf\longmapsto n=\dfrac{772(20)}{8.314(273)}[/tex]

[tex]\\ \sf\longmapsto n=\dfrac{15440}{2269.722}[/tex]

[tex]\\ \sf\longmapsto n=6.8mol[/tex]

The answer is Electronegativity.

Answer:

True

Explanation:

Brainless if it helped

Answer:

OPTION C is correct

When magnesium burns, it combines with oxygen (O2) from the air to form magnesium oxide (MgO) according to the following equation: 2Mg(s) + O2(g) → 2MgO(s) Magnesium oxide is an ionic compound containing Mg2+ and O2− ions whereas Mg(s) and O2(g) are elements with no charges.

Answer:

sweat

Explanation:

you get dehydrated in hot weather because your body will release sweat to try and keep you cool

Answer:

Well, the heat can sometimes be very subtle in how it affects the body. If you're out in the sun, it can take just 30 minutes or up to a few hours for the heat to cause dehydration, nausea or it could cause trouble concentrating. When it's hot and humid, your risk of dehydration and heat illness increases. That's because when the air is humid, sweat can't evaporate and cool you as quickly as it normally does, and this can lead to an increased body temperature and the need for more fluids.

I HOPE DAT THIS HELPS :)

Explanation:

Answer:

sodium (Name) and Chlorine (Cl)

Explanation:

Any of the Group 17 elements (the halogens) only need one additional electron to take on the electron configuration of the noble gas just to it's right. That would be argon (Ar) in this case.

For this reaction, the needs of both elements (to reach a stable Group 17 electron configuration) is matched: Just one electron is provided (Na) and taken (Cl) and that forms a single bond

Answer:

Mg (NO3)2

24 + 2×(14+ 3×16)

24+2×(14+48)

24+2×(62)

24+ 124

=148g

Patients with hyperparathyroidism would be at risk for developing renal calculi because of high calcium levels excreted by the kidney.

Hyperparathyroidism occurs when there is over secretion of parathyroid hormone by the parathyroid glands.

The parathyroid hormone is responsible for the following in the body:

Renal calculi are strong masses of stones deposited in the kidneys or urinary bladder.

When there is excess calcium in the blood due to hyperparathyroidism, the kidneys would be over burdened with the excretion of excess calcium.

That extra calcium in the kidney & the urine leads to kidney stone development ( renal calculi).

Therefore, patients with hyperparathyroidism would be at risk for developing renal calculi because of high calcium levels excreted by the kidney.

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English:

"Human activities contribute to climate change by causing changes in Earth's atmosphere in the amounts of greenhouse gas- es, aerosols (small particles), and cloudiness. The largest known contribution comes from the burning of fossil fuels, which releases carbon dioxide gas to the atmosphere." (ei.lehigh.edu)

Have a nice day!

  I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

/

Español:

"Las actividades humanas contribuyen al cambio climático al provocar cambios en la atmósfera de la Tierra en las cantidades de gases de efecto invernadero, aerosoles (partículas pequeñas) y nubosidad. La mayor contribución conocida proviene de la quema de combustibles fósiles, que libera dióxido de carbono a la atmósfera." (ei.lehigh.edu)

¡Que tenga un lindo día!

  Espero que esto sea lo que estás buscando, pero si no, ¡comenta! Editaré y actualizaré mi respuesta en consecuencia. (ノ^∇^)

- Heather

Answer:

17 g/Mol

Explanation:

To determine the molar mass of any compound, you have to add up the molar masses of every atom that make up the respective compound. In this case NH3 equals one nitrogen atom and three hydrogen atoms.

What does that mean? Ammonia's molar mass will be the sum of the molar mass of one nitrogen atom and 3 times the molar mass of a hydrogen atom.

Peroindic table:

N=14.0067 g/mol.

H=1.00794 g/mol

The concentration of [Ag+] present in the solution is 6.53 × 10⁻⁸ M

From the given information, the equation for the reaction between silver ion and ammonia can be represented as:

Ag⁺ + 2NH₃ ↔ [Ag(NH₃)₂]⁺

Given that the solubility constant (Ksp) for the product formed = 1.7 × 10⁷.

The solubility constant for this reaction can be expressed as:

[tex]\mathbf{Ksp = \dfrac{[Ag(NH_3)_2]^+}{[Ag^+][NH_3]^2} }[/tex]

where;

[tex]\mathbf{1.7 \times 10^7 = \dfrac{0.025}{(x)(0.15)^2}}[/tex]

[tex]\mathbf{1.7 \times 10^7 = \dfrac{1.1111}{x}}[/tex]

[tex]\mathbf{x = 6.54 \times 10^{-8} \ M}[/tex]

Therefore, we can conclude that the concentration of  [Ag+] = x = 6.54 × 10⁻⁸ M.

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Answer:

The surface temperature of a star determines the color of light it emits. Blue stars are hotter

hope this helps :)

Answer:

Copper is reddish brown color

Its density is 8.93 g cm-3

highly malleable at ordinary temp, but is brittle near its melting point

god conductor of heat and electricity

Explanation:

Answer:

D

Explanation:

Hope it helps

The result he hope for he should be happy with himself after following a strict diet and exercise routine.

Fitness is defined as to be able to go about one's everyday activities without difficulty, without getting exhausted, and with enough energy to spare for leisure. Body composition, flexibility, muscular strength, muscular endurance, and cardiorespiratory endurance are the five facets of physical fitness. Physical activity can strengthen your bones and muscles, help you maintain a healthy weight, increase your ability to carry out daily tasks, and improve your cognitive health.

Exercise is defined as a bodily action that maintains or improves physical health and wellness overall.  Exercise science is a field that investigates movement as well as the corresponding functional reactions and adaptations.

Thus, the result he hope for he should be happy with himself after following a strict diet and exercise routine.

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Answer:

atomos

Explanation:

2,500 years ago, Democritus suggested that all matter in the universe was made up of tiny, indivisible, solid objects he called "atomos." However, other Greek philosophers disliked Democritus' "atomos" theory because they felt it was illogical.

This is kind of a pretty easy question:

- In order to get the number of atoms/entities of Neon, you will have to turn that 1009g of Neon into moles

-And then you have to use the moles and calculate it using Avogadro's Number which is 6.02 x 10^23

number of moles = mass/molar mass of element/compound

n = 1009g/20.18g/mol

n = 50 mol

Number of atoms/entities = 50 x  (6.02 x 10^23)

Number of atoms in 1009g of neon is 3.01 x 10^25 (scientific notation because its a really long number)

The energy of the photon with a frequency of 9.50×10¹³ Hz is 6.29×10¯²⁰ J

From the question given above, the following data were obtained:

Frequency (f) = 9.50×10¹³ Hz

Planck's constant (h) = 6.626×10¯³⁴ Js

The energy of the photon can be obtained as follow:

E = hf

E = 6.626×10¯³⁴ × 9.50×10¹³

Therefore, the energy of the photon is 6.29×10¯²⁰ J

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A) A plastic pot handle.

Metals are very good conductors of heat because they contain delocalised electrons that can flow through the metal, transferring heat.

Both a copper pan and a metal spoon are made of metals, so are very good conductors of heat.

Plastic is an insulator, the opposite of a conductor. This makes it very bad at conducting heat, which is why it is used as the handle (it stops you burning yourself when you hold the pot). The answer is therefore A.

Answer:

What is cyclobutane empirical formula : C4H8

Explanation:

Answer:

With ions of calcium in a cyclotron. This produced four atoms of moscovium. Moscovium is a synthetic element with the symbol Mc and atomic number 115. It was first synthesized in 2003 by a joint team of Russian and American scientists at the Joint Institute for Nuclear Research (JINR) in Dubna, Russia. In December 2015, it was recognized as one of four new elements by the Joint Working Party of international scientific bodies IUPAC and IUPAP. On 28 November 2016, it was officially named after the Moscow Oblast, in which the JINR is situated.[7][8][9]

Moscovium is an extremely radioactive element: its most stable known isotope, moscovium-290, has a half-life of only 0.65 seconds.[10] In the periodic table, it is a p-block transactinide element. It is a member of the 7th period and is placed in group 15 as the heaviest pnictogen, although it has not been confirmed to behave as a heavier homologue of the pnictogen bismuth. Moscovium is calculated to have some properties similar to its lighter homologues, nitrogen, phosphorus, arsenic, antimony, and bismuth, and to be a post-transition metal, although it should also show several major differences from them. In particular, moscovium should also have significant similarities to thallium, as both have one rather loosely bound electron outside a quasi-closed shell. Over a hundred atoms of moscovium have been observed to date, all of which have been shown to have mass numbers from 286 to 290.

Explanation:

Hope this helps u please make brainlyest

Using calcium ions in a cyclotron. As a result, four moscovium atoms were created. Moscovium is a man-made element with the atomic number 115 and the symbol Mc

Heavy ion collisions in particle accelerators have intentionally produced element 115, also known as Moscovium. So far, about 100 atoms have been seen.

At the Joint Institute for Nuclear Research (JINR) in Dubna, Russia, a team of Russian and American scientists initially created it in 2003.

It was acknowledged as one of four new elements by the Joint Working Party of the worldwide scientific organisations IUPAC and IUPAP in December 2015. It was formally named after the Moscow Oblast on November 28, 2016.

Thus, Element 115 i.e. moscovium was created using calcium ion of cyclotron.

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