Write a brief passage describing a neutral atom of nitrogen-14 (N-14). Describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located, and how the terms atomic number, mass number, and atomic mass are related to the particles

Answer: Gamma Rays

Explanation:

The waves with the highest frequency are Gamma Rays. These electromagnetic waves travel at a very high speed. Best of Luck to you!

Answer:

Oil

Explanation:

Answer:

neutralise

Explanation:

There is a special name given to the reaction between an acid and a base to form salt and water and water only. That name is 'neutralization'. Hence to 'neutralize' an acid connotes the idea of 'cancelling' the effect of an acid.

An acid has a number of deleterious effects on surfaces, the most prominent of which is corrosion of the surface due to oxidation. If a surface is accidentally exposed to an acid, the effect of that acid on the surface can be counteracted by the immediate application of a base to 'neutralize' the acid. Neutralization in this sense is akin to 'cancelling' out the acid.

The examples are endless. Another common example is the neutralization of an acidic soil by a base in order to 'cancel' the acidity of the soil and make the soil fertile for plant growth.

The relative abundance of isotopes is the number of atoms of a particular isotope divide by the total number of atoms of all isotopes of that element, multiplied 100 percent.

The relative abundance of an isotope is the percentage of atoms with a specific atomic mass found in a naturally occurring sample of an element.

Also relative abundances refers to the relative proportions of the stable isotopes of each element. They are most often quoted as atom percentages

To calculate the percent abundance of each isotope in a sample of an element,  the number of atoms of a particular isotope is usually divide by the total number of atoms of all isotopes of that element and then multiply the result by 100 since it is expressed in percentage.

Mathematically, the formula for relative abundance is given as;

R.A = ( number of atoms of isotope / total number of atoms ) x 100%

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Answer:

La respuesta está en el enunciado

Explanation:

Una solución química es definida como una mezcla de dos o más sustancias donde, la que está en mayor proporción, es definida como el solvente y los componentes que están en menor cantidad se definen como los solutos.

En general, en la formulación de bebidas, el solvente es agua, los solutos son otros componentes como saborizantes y colorantes que permiten que el consumidor tenga experiencias agradables con la bebida.

Además, la solución debe ser homogenea, esto es, todos los solutos se encuentran completamente disueltos en el solvente. Una bebida comercial a la que se le encuentren partículas no genera confianza y puede ser rechazada por parte del consumidos.

Answer:

Ans. C. physical change

Explanation:

Physical: boiling and melting are physical changes. When water boils no bonds are broken or formed.

Answer:

CO2

Explanation:

A covalent compound is a compound between 2 nonmetals.  For this reason, NaCl and MgO can be eliminated since both contain metals.  While neither H nor Br are metals, in HBr H is acting as a metal.  CO2 is the only choice containing both nonmetals, with both elements acting like nonmetals as well.

Considering the Boyle's law, the volume if the pressure is 8 atm is 0.75 L.

Boyle's law establishes the relationship between the pressure and the volume of a gas when the temperature is constant. Boyle's law states that the pressure of a gas in a closed container is inversely proportional to the volume of the container.

Mathematically, this law says that the product of the pressure and the volume always has the same value:

P×V=k

where

Analyzing an initial state 1 and a final state 2, it is fulfilled:

P₁×V₁= P₂×V₂

In this case, you know:

Replacing in Boyle's law:

2 atm× 3 L= 8 atm× V₂

Solving:

(2 atm× 3 L)÷ 8 atm= V₂

0.75 L= V₂

Finally, the volume is 0.75 L.

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Answer:

A.0.51L

B 1.67L

Explanation:

using the formula ;C1V1 =C2V2

15.8×V1=2×4

15.8V1=8

V1=8/15.8

V1=0.51L

apply the same method for B

The balanced equation in base for the given reaction is:  C3H2O2(aq) + 4 KOH(aq) + KMnO4(aq) → 3 C3H2O4K2(aq) + MnO2(aq) + 4 H2O(l)

The coefficients in front of H2O and OH- are 4 and 4, respectively. H2O appears on both sides of the equation, with 4 molecules on the right and 4 on the left. OH- appears on both sides as well, with 4 molecules on the left and none on the right before canceling out. The balanced equation shows that 4 moles of potassium hydroxide (KOH) are needed to neutralize the 4 moles of H+ ions produced in the reaction, which is why the coefficients for OH- and H2O are both 4.
To balance the reaction in base, we first need to balance it for atoms and charges. The balanced reaction is:

2C3H2O2(aq) + 2KMnO4(aq) + 4OH-(aq) → C3H2O4K2(aq) + 2MnO2(aq) + 4H2O(l)

The coefficients for H2O and OH- are:
- H2O: 4, appearing on the right side of the equation
- OH-: 4, appearing on the left side of the equation

Therefore, the correct option is E: H2O - 4, left; OH - 2, right.

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The amount of current generated, given that the circuit offers 40 ohms resistance, and is connected to a 60 V supply is 1.5 A

The following data were obtained from the question given above:

Ohm's law states as follow:

Voltage (V) = Current (I) × resistance (R)

Using the above formula, the current generated by the circuit can be obtained as follow:

Voltage (V) = Current (I) × resistance (R)

60 = Current × 40

Divide both sides by 40

Current = 60 / 40

Current = 1.5 A

Thus, the current generated in the circuit is 1.5 A (None of the options are correct)

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A Main Group element has 81 protons and an estimated effective nuclear charge of +3. Therefore, the element has B. 81, Group 15 core electrons and can be found in bust of the Periodic Table.

Effective nuclear charge is the positive charge that nuclear protons exhibit when they interact with valence electrons, drawing them in. Due to the shielding effect, the effective nuclear charge is never equal to the total amount of protons found in a nucleus. Behind all other periodic table trends lies effective nuclear charge.

A reduced atomic radius is the result of the electron cloud being drawn closer to the nucleus due to the stronger electron attractions produced by a higher effective nuclear charge. A bigger gap exists between the nucleus and the outermost orbital as one moves down a group due to an increase in the number of energy levels (n).

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Answer:

Growth of weeds and grasses

Explanation:

The part of the garden, probably left to rest by the Gardner, would start experiencing a legion of invasive plants. Giant weeds and grasses could be seen, and brambles and tree seedlings could also sneak in.  

Some Gardeners would recommend the use of herbicides to restore order to an abandoned garden even though certain scientists are of the opinion that chemicals may not offer a sound solution to the problem.  

Answer:

yau also can see it through brainly

Answer:

3.Ammonia is a compound, and nitrogen and hydrogen are elements.

Explanation:

Look up the differences between elements, compounds and mixtures.

Yes. In essence, the resulting sticky, gelatinous substance is "napalm" created at home. Styrofoam fragments can be used to make it by dissolving them in gasoline or diesel.

Styrene is polymerized in benzene to create napalm under strictly regulated circumstances. In benzene, polystyrene dissolves in a viscous solution. the sticky oil is mixed with orange juice concentrate. The names napalm and palmitic acids refer to two substances that were used to create the oily gel in the original preparations. Liquid fuels burn rapidly, but adding a gel to them causes the fuel to burn with a hot, slow flame, causing it to burn with more damage to structures, plants, and, of course, people Styrofoam.

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Answer:

london I'm not dead -yet-

Explanation:

thank u for being there for me when no one else was

btw she visited me last night "I made sure to punch her in da nose but my fist hit the wall instead of her face so yea funnn" good luck in this life

The new volume of gas is 6.62 L when the pressure changes from 735 mmHg to 800 mmHg at a constant temperature.

According to Boyle's Law, at a constant temperature, the pressure and volume of a gas are inversely proportional. This means that as the pressure of the gas increases, its volume decreases, and vice versa. Therefore, we can use this law to find the new volume of gas when the pressure changes from 735 mmHg to 800 mmHg.

Using the formula P1V1 = P2V2, where P1 is the initial pressure, V1 is the initial volume, P2 is the final pressure, and V2 is the final volume, we can solve for V2.

Plugging in the values given in the question, we get:

735 mmHg x 7.2 L = 800 mmHg x V2

Solving for V2, we get:

V2 = (735 mmHg x 7.2 L) / 800 mmHg

V2 = 6.62 L

Therefore, the new volume of gas is 6.62 L when the pressure changes from 735 mmHg to 800 mmHg at a constant temperature.

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Answer:

state 1

Explanation:

Particles that are charged move freely State describes the state describing plasma. Stage 1 is correct.

Plasma is an ionized gas in which the ions that are positively charged can move freely and electrons can also move freely with low pressure and high temperature in the gaseous state of the matter.

In plasma, there are only charged particles present that can only move freely with no pressure it is an ionized gas because the formation of gas is done after only the ionization process and these ionized particles can only move.

Therefore, Stage 1 is correct. Particles that are charged move freely State describes the state describing plasma.

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1.52 tanks of gas will be used to drive 1600 km.

A certain fuel-efficient hybrid car gets gasoline mileage of 55.0 mpg (miles per gallon).

A gallon is a unit of volume in both the US customary and imperial systems of measurement. The US gallon is defined as 231 cubic inches (3.785 liters).

1 mpg = 0.425143707 km/l; to convert miles per gallon to kilometers per liter .

mileage = 23.38 km/l

volume = 1600 km ÷ 23.38 km/l

volume = 68.43 liters; the amount of gasoline needed the trip

tanks = 68.43 l ÷ 45 l

tanks = 1.52

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It's worth noting that the exact composition of the air can vary depending on the location and the time of year, but these substances are the most abundant gases found in the Earth's atmosphere.

The substances in the air you breathe are typically ranked in terms of their abundance as follows:

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Answer:

1. single replacement

Explanation:

Single replacement can be represented by AB+C ⇄B+AC, which matches the picture

Double replacement and double displacement are the same kind of reaction and can be represented by AB+CD ⇄BD+AC

Decomposition reaction can be represented by AB ⇄A+B

Answer:

B)

Explanation:

it has 5

The O-H bond found in the final compound's alcohol functional group will be referred to as the "one broad stretch." The O-H bond will have a wider range of bond strengths because the O-H functional group participates in hydrogen bonding with other compounds in the solution. As a result, the O-H bond will produce a wider stretch on the IR spectrum.

The IR spectrum stands for Infrared spectroscopy. The study of how infrared light interacts with matter through absorption, emission, or reflection is known as infrared spectroscopy. Chemical compounds or functional groups in solid, liquid, or gaseous forms are studied and identified using this technique. It deals with infrared light, which has a lower frequency and longer wavelength than visible light and is part of the electromagnetic spectrum. It includes a variety of methods, many of which are based on absorption spectroscopy. Covalent bonds typically have an IR absorption range of 600 to 4000 cm-1. The graph displays the spectral regions that the following types of bonds typically absorb.

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Answer: 2.48×10^-17 J

Explanation:

Given the following :

Wavelength = 8nm (8 x 10^-9 m)

Energy(e) of X-ray =?

Energy=[speed of light(c) × planck's constant (h)] ÷ wavelength

Speed of light = 3×10^8m/s

Planck's constant = 6.626×10^-34 Js

Wavelength = 8 x 10^-9 m

Energy = [(3×10^8) * (6.626×10^-34)] / 8 x 10^-9

Energy = [19.878×10^(8-34)] / 8 x 10^-9

Energy = 2.48475 × 10^(-26+9)

Energy = 2.48×10^-17 J

Answer: 2.48×10^-17 J

Explanation: a pex

The gas phase reaction for the commercial process of preparing ethanol (ethyl alcohol) involves the reaction between ethylene gas (C2H4) and steam (H2O) over an acid catalyst.

This process is known as the hydration of ethylene.

The reaction can be represented by the following equation:

C2H4 + H2O → C2H5OH

In this reaction, ethylene gas and steam combine to form ethanol. The acid catalyst, which is often a solid acidic material such as phosphoric acid or zeolite, helps to accelerate the reaction by providing a suitable environment for the chemical transformation.

The acid catalyst facilitates the protonation of the ethylene molecule, making it more susceptible to nucleophilic attack by the hydroxide ion derived from water. This leads to the formation of a carbocation intermediate, which is then further attacked by water, resulting in the formation of ethanol.

The gas phase reaction is preferred in this commercial process due to its higher efficiency and better control over the reaction conditions. By passing ethylene gas and steam over the acid catalyst, the reaction can be carried out at elevated temperatures and optimized reaction conditions to maximize the yield of ethanol.

In conclusion, the gas phase reaction for preparing ethanol involves the hydration of ethylene by steam in the presence of an acid catalyst.

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Answer:

D is the answer i think

When we add water to a glass of pure fruit the volume of the solution increases while the solute remains constant so the molarity of the juice decreases.

Molarity is defined as the amount of solute (in moles)in per litre of solution.

It is also known as molar concentration of a solution , It is expressed in mol/l .

When water is added the volume of the solution is increasing for fixed moles of juices therefore ,

The molarity of the juice will decrease and option d is correct.

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How close the magnets are together and which direction the poles are pointed to