the attraction between two oppositely charged atoms or group of atoms is which type of bond

A phase diagram is a plot of temperature on the x-axis vs. pressure on the y-axis.

This diagram shows the stable regions for each phase of matter (solid, liquid, gas) and the conditions under which these phases may exist in equilibrium.

A phase diagram is a graphical representation that illustrates the relationship between temperature, pressure, and the phases of a substance. The x-axis of the phase diagram represents temperature, usually in degrees Celsius or Kelvin, while the y-axis represents pressure, typically in units like atmospheres or kilopascals.

The phase diagram outlines the different regions or regions where each phase of matter (solid, liquid, or gas) is stable under specific temperature and pressure conditions. The boundaries between these regions represent phase transitions, such as melting, boiling, or sublimation.

By examining a phase diagram, one can determine the conditions at which a substance exists in a particular phase and the conditions required for phase transitions to occur. The phase diagram provides valuable information about the behavior and stability of substances under different temperature and pressure conditions.

Learn more about phase diagram here: brainly.com/question/31251128

#SPJ11

A. The pH of the buffer solution is 4.38. B. pH of the buffer solution is 5.14 The buffer equation is given by: pH = pKa + log([A⁻]/[HA]), where pH is the desired pH of the buffer solution, pKa is the dissociation constant of the weak acid.

For the first solution, we have 0.67 moles of acetic acid and 0.33 moles of sodium acetate in 1 L of solution. To calculate the concentrations of the acid and the conjugate base, we first need to convert the moles to the corresponding masses:

mass of acetic acid = 0.67 mol x 60.05 g/mol = 40.23 g, mass of sodium acetate = 0.33 mol x 82.03 g/mol = 27.08 g The molarities of the acid and the conjugate base can be calculated by dividing the number of moles by the volume of the solution (1 L):

[HA] = 0.67 mol/1 L = 0.67 M, [A⁻] = 0.33 mol/1 L = 0.33 M. The dissociation constant (pKa) of acetic acid is 4.76. Substituting the values into the buffer equation, we get: pH = 4.76 + log(0.33/0.67), pH = 4.76 - 0.38 pH = 4.38. Therefore, the pH of the buffer solution is 4.38.

b) For the second solution, we have 0.33 moles of acetic acid and 0.67 moles of sodium acetate in 1 L of solution. Following the same procedure as above, we get: [HA] = 0.33 mol/1 L = 0.33 M,[A⁻] = 0.67 mol/1 L = 0.67 M

Substituting these values into the buffer equation, we get:pH = 4.76 + log(0.67/0.33) pH = 4.76 + 0.38, pH = 5.14. Therefore, the pH of the buffer solution is 5.14.

In both cases, the pH of the buffer solution is close to the pKa of acetic acid, which indicates that the buffer is working effectively to resist changes in pH when small amounts of acid or base are added.

Know more about  buffer solution here:

https://brainly.com/question/24262133

#SPJ11

Answer:

Inorganic compounds is typically chemical compound that lacks carbon hydrogen bonds.

Explanation:

Answer:

a. Gases ideales: relación entre todas las variables que influyen sobre los gases

Explanation:

La ecuación del gas ideal da la relación entre las variables; presión, volumen, temperatura y número de moles.

Según la ecuación del gas ideal; PV = nRT

P = presión del gas

V = volumen del gas

n = Número de moles del gas

R = constante de gas

T = temperatura del gas

El número de moles de SO2 se obtiene de;

n = PV / RT

n = 0,5 * 25 / 0,082 * 373

n = 12,5 / 30,586

n = 0,41 moles

Answer: A chemical reaction that releases heat into its environment

Explanation:

the exothermic process is a process or reaction that releases energy, (usually in the form of heat but also in light, electricity, or sound) into its environment

ex:

think of ice freezing, to change from a liquid to a solid it must release heat to lower it’s temperature to reach its freezing point

Answer:

0.54 J/goC

Explanation:

Recall that we define the heat transferred as ;

H= mcθ

Where;

H= heat transferred = 112300J

m= mass of the metal= 240g or 0.24 Kg

c= specific heat capacity of the metal = the unknown

θ= change in temperature = (880°C-13°C) = 867°C

Substituting values and making the specific heat capacity the subject of the formula;

c= H/mθ

c= 112300/ 240×867

c= 0.54 J/goC

Hence, the specific heat capacity of the metal is 0.54 J/goC.

Answer:

D

Explanation:

If their reactions are the same, that is a way to begin to figure out if the samples came from the same substance!

Hope this helps!

Answer:

Explanation:

D

The given statement " William Aston created the mass spectrograph to analyze and separated them, found 218 and found mass and percent abundance of each atoms" is false.

The mass spectrograph was not invented by William Aston. It was actually invented by J.J. Thomson in the early 20th century.

J.J. Thomson's work with the mass spectrograph led to the discovery of isotopes, which are different forms of an element with the same number of protons but different numbers of neutrons. Isotopes have different masses, and the mass spectrograph allowed scientists to separate and analyze them based on their mass-to-charge ratio.

The process of using a mass spectrograph to determine the mass and percent abundance of isotopes is known as mass spectrometry. It involves ionizing a sample, separating the ions based on their mass-to-charge ratio, and detecting the ions to determine their abundance.

The completed question is given as,

State true or false

William Aston created the mass spectrograph to analyze and separated them, found 218 and found mass and percent abundance of each atoms.

Learn more about spectrograph from the link given below.

https://brainly.com/question/31242968

#SPJ4

Answer:

Solid = rocks or other hard stuff

Liquid = water or mild or other stuff likt that

Answer:Ice is an example of a solid. A liquid has a defined volume, but can change its shape. Water is an example of a liquid. A gas lacks either a defined shape or volume.

...

Examples of gases include:

Air.

Natural gas.

Hydrogen.

Carbon dioxide.

Water vapor.

Freon.

Ozone.

Nitrogen.

Explanation:

The drawing below shows the effect of moving air on a desert sand dune describes the event in the drawing it is an example of erosion by wind

Natural sand dunes usually start as windblown sand that accumulates in a sheltered area behind some type of obstacle such as piles of seaweed and a hill of sand made up of wind on the coast or in a desert and it is because of erosion by wind strong winds blow across the loose sand on the surface of the earth including sands found in deserts and beaches that's why  erosion by wind most likely describes the event in the drawing

Know more about desert

https://brainly.com/question/2232274

#SPJ1

To calculate the value of AG' at 298 K, we need to use the equation: AG' = AH' - TAS'.                                                                            

First, we need to convert the values given to kJ/molcan. AH298 = -92.2 kJ/molrani x (1 mol/2 molcan) = -46.1 kJ/molcan.
AS298 = -198.8 J/(molznK) x (1 kJ/1000 J) x (1 mol/2 molcan) = -0.0994 kJ/(molcanK). Therefore, AG' = -46.1 kJ/molcan - (298 K x (-0.0994 kJ/(molcanK))) = -46.1 kJ/molcan + 29.64 kJ/molcan = -16.46 kJ/molcan. Thus, the value of AG' at 298 K is -16.46 kJ/molcan.
The reaction of N2(g) and H2(g) to form NH3(g) can be analyzed using the Gibbs free energy equation, which is ΔG = ΔH - TΔS. To maximize the yield of NH3(g), we need to calculate ΔG' at 298 K.
Therefore, the value of ΔG' at 298 K is -32.9 kJ/mol.

Learn more about NH3 here:
https://brainly.com/question/30214340

#SPJ11

A twin-turbojet airplane is cruising with a speed of Mach 1.5 at an altitude where atmospheric pressure is 32989.5 Pa, temperature is 232.778 K. Each engine is consuming 200 kg of air per second. The engine exit flow has a pressure of 32,000 Pa with a velocity of 850 m/sec. The exit area of the engine nozzle is 1.4 m². The thrust generating in both engines is 342,678.6 Newtons.

To calculate the thrust generated by both engines, we can use the momentum equation for a nozzle:

Thrust = mass flow rate * exit velocity + (exit pressure - ambient pressure) * exit area

Given:

Speed of the airplane (V) = Mach 1.5

Atmospheric pressure (\(P_a\)) = 32989.5 Pa

Ambient temperature (\(T_a\)) = 232.778 K

Mass flow rate of each engine (m) = 200 kg/s

Exit pressure of the engine (\(P_e\)) = 32000 Pa

Exit velocity of the engine (\(V_e\)) = 850 m/s

Exit area of the engine nozzle (\(A_e\)) = 1.4 m²

First, we need to calculate the ambient density using the ideal gas law:

PV = nRT

Since the speed of the airplane is given in terms of Mach number, we can calculate the speed of sound (a) using the following formula:

a = √(gamma * R * \(T_a\))

Where gamma is the specific heat ratio of air (approximately 1.4) and R is the specific gas constant for air (approximately 287 J/(kg K)).

Next, we can calculate the ambient density (ρ) using the equation:

ρ = \(P_a / (R * T_a)\)

Now, we can calculate the thrust generated by each engine using the momentum equation:

Thrust = m* \(V_e + (P_e - P_a) * A_e\)

Finally, we can calculate the total thrust generated by both engines by multiplying the thrust of a single engine by 2.

Calculate the speed of sound:

a = √(1.4 * 287 * 232.778)

a = 438.95 m/s

Calculate the ambient density:

ρ = 32989.5 / (287 * 232.778)

ρ = 1.383 kg/m³

Calculate the thrust of a single engine:

\(Thrust_s\) = 200 * 850 + (32000 - 32989.5) * 1.4

\(Thrust_s\) = 170000 + 1339.3

\(Thrust_s\)  171339.3 N

Calculate the total thrust of both engines:

\(Thrust_t\) = 2 * \(Thrust_s\)

\(Thrust_t\) = 2 * 171339.3

\(Thrust_t\) = 342678.6 N

Therefore, both engines are generating approximately 342,678.6 Newtons of thrust.

To know more about thrust here

https://brainly.com/question/26712174

#SPJ4

The molecules of oil are nonpolar because their charges are balanced and therefore these molecules are not attracted by other in solution, while water molecules are polar because their atoms are arranged to form positive and negative poles in solution.  

Oil is nonpolar and water polar due to the active forces between molecules, in the case of non polar substances the charges are balanced while polar molecules contain negative and positive poles.

Therefore, with this data, we can see that oil is nonpolar and water is polar due to the charges of their atoms.

Learn more about water polarity here:

https://brainly.com/question/8229259

#SPJ1

Answer:

a quantitative observation implies that the subject can be measured by quantity, aka amount or in numbers.

Ex 1: adding one gram of salt to one gram of sugar makes two grams of seasoning. in this example, there are individual quantities (1 gram of each) and total quantity (2 grams). this only changes if the substances have a chemical reaction, such as one of them destroying the other, then the weight would change.

Ex 2: a more simple example is the weight of something. putting the substance on a scale (one specifically for whatever you are measuring, whether it be liquid or solid) is the best way to determine its quantity.

The age of the rock given that it has an half-life of 425 years and that only 3.125% of the parent isotope remains is 2125 years

We shall begin by calculating the number of half lives that has elapsed given that only 3.125% of the parent isotope remain. Details below:

2ⁿ = N₀ / N

2ⁿ = 100 / 3.125

2ⁿ = 32

2ⁿ = 2⁵

n = 5

Finally, we shall determine the age of the rock. Details below:

n = t / t½

Cross multiply

t = n × t½

= 5 × 425

= 2125 years

Thus, the age of the rock is 2125 years

Learn more about radioactive decay:

https://brainly.com/question/20629414

#SPJ4

Negative ions, designated by the notation (OH ), are always present in any acid or base. The concentration. [OH"] of these ions is related to H by the equation OH H = 10-14 moles per liter.

Find the concentrations of OH and Hl in moles per liter for the substances with the following pH value pH = 7.8

The pH of a solution is given by the expression:\(pH = -log[H+],\)

where [H+] is the hydrogen ion concentration in mol/L.

To find the concentration of [H], we use the equation:

pH = -log[H+]7.8

= -log[H+]H+

= 10^-7.8H+

= 1.58 x 10^-8 moles per liter

Now, let's find the concentration of [OH-] by using the formula:

OH- H+ = 10^-14[H+]

= 1.58 x 10^-8OH- (1.58 x 10^-8)

= 10^-14OH-

= (10^-14) + (1.58 x 10^-8)OH-

= 1.0000000000000158 x 10^-14 moles per liter

OH- = 1.00 x 10^-14 moles per liter (rounded to two decimal places)

Concentration of [H] is 1.58 × 10⁻⁸ moles per liter and the concentration of [OH] is 1.00 × 10⁻¹⁴ moles per liter.

To learn more about acid visit;

https://brainly.com/question/29796621

#SPJ11

The type of bond in which electrons are shared unequally is called a polar covalent bond.

In a polar covalent bond, electrons are shared between two atoms, but they are not shared equally. One atom has a greater attraction for the electrons than the other, resulting in an unequal distribution of electrons and a partial positive and partial negative charge on the atoms. This creates a dipole moment or a separation of charge in the molecule.

A polar covalent bond is formed when there is a difference in the electronegativity values of the atoms involved. Electronegativity is a measure of an atom's ability to attract electrons to itself. The greater the difference in electronegativity values, the more polar the bond.

Examples of molecules with polar covalent bond are water (H2O) and Ammonia (NH3).

Learn more about polar covalent bond here:

https://brainly.com/question/28295504

#SPJ4

Answer: D. 1600 L

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number \(6.023\times 10^{23}\) of particles.

To calculate the moles, we use the equation:

\(\text{Number of moles}=\frac{\text{Given volume}}{\text {Molar volume}}\)

\(\text{Number of moles of nitrogen}==\frac{1000L}{22.4L}=44.6moles\)

\(\text{Number of moles of hydrogen}==\frac{2400L}{22.4L}=107.1moles\)

\(N_2(g)+3H_2(g)\rightarrow 2NH_3(g)\)  

According to stoichiometry :

3 moles of \(H_2\) require 1 mole of \(N_2\)

Thus 107.1 moles of \(H_2\) will require=\(\frac{1}{3}\times 107.1=35.7moles\) of \(N_2\)

Thus \(H_2\) is the limiting reagent as it limits the formation of product and \(N_2\) is the excess reagent.

As 3 moles of \(H_2\) give = 2 moles of \(NH_3\)

Thus 107.1 moles of \(H_2\) give =\(\frac{2}{3}\times 107.1=71.4moles\)  of \(NH_3\)

Volume of \(NH_3=moles\times {\text {Molar volume}}=71.4moles\times 22.4L/mol=1600L\)

Thus volume of ammonia produced is 1600 L

Answer:

C- transforemed or changed

Explanation:

matter can be changed by application of heat or cold

Answer: Hello i am confused are you asking a question?

Explanation:

The density of the unknown material is 0.213 ml/g

The apparent density of the unknown material is calculated as follows;

Volume of the unknown substance = 126 ml - 102 ml = 24 ml

Density of the unknown substance = mass/volume

Density of the unknown substance =  24 ml / 112.6 g

Density of the unknown substance = 0.213 ml/g

Thus, the density of the unknown material is 0.213 ml/g

Learn more about density here; https://brainly.com/question/6838128

#SPJ1                          

Answer:

pick it up with tongs

Explanation:

Answer:

They mask the recessive alleles

When Radon-228 undergoes alpha decay, the Radon-228 nuclide emits an alpha particle (He nuclei), the mass number increases by four, and the number of protons decreases by two.

During alpha decay, an unstable nucleus emits an alpha particle, which consists of two protons and two neutrons bound together. In the case of Radon-228, the nucleus emits an alpha particle, resulting in the formation of a daughter nuclide. The emission of an alpha particle decreases the number of protons in the nucleus by two because the alpha particle carries two protons away. Simultaneously, the mass number of the nucleus decreases by four because the alpha particle, with its two protons and two neutrons, is ejected from the nucleus.

Learn more about Radon-228:

brainly.com/question/17992590

#SPJ11

to be honestl id ldm

Answer:

the answer is 58.5g

Explanation:

23+35.5=58.5g

Answer:

two

Explanation:

There are two atoms in 2 Fe, more correctly written as 2Fe or Fe2. Both atoms are from the same element, iron.

Answer:

2

Explanation:

There are two atoms of the same element in 2Fe.

Hope this helps! :)

Answer:

no

Explanation:

Answer:

All A's

Explanation:

it might sound sus but it all a's

Answer:

Potassium bromide is a strong electrolyte as it can be entirely disassociated in aqueous solution. The problem with this question is that you can't really have an aqueous solution of calcium oxide, CaO, because this compound will react with water to form calcium hydroxide, Ca(OH)2. Keep in mind that this reaction is highly exothermic!

Explanation:

Elements are held together (joined) by a chemical bond. These bonds differ with the property of the element. Metals usually bond by transfer of electrons whereas metalloids usually share electrons to make a bond.