The orbital diagram shows the valence electrons of sulfur, which has 16 electrons. If the electrons were added to the atom one at a time, which would be the last electron to occupy an orbital?

Ammonia (NH3) and hydrogen peroxide (H2O2) can react to form Nitrogen (N2), water (H2O), nitric oxide (NO), and some amount hydrogen (H2) and oxygen (O2). Overall, the reactions involved are exothermic. Ammonium is a cation (NH4+), the conjugate weak acid from ammonia (NH3)

i hope this helps!

The ideal gas law can be used to solve this issue: When the vessel is heated to 220°C, PV = nRT, and a pressure of around 2509 kPa is created.

The ideal gas law can be used to solve this issue: PV = nRT

We must first determine how many moles of ethane there are:

Where P = 2200 kPa, V = 0.35 m3, R = 8.31 J/mol K (the gas constant), and T = 25 °C + 273.15 = 298 °K, n = PV/RT, is defined.

n = 0.0522 mol when calculated as (2200 kPa x 0.35 m3) / (8.31 J/molK x 298.15 K). The new pressure at 220°C can now be determined using the ideal gas law once more: Where T' = 220 °C + 273.15 °C = 493.15 K, P' = nRT'/V.

P' = 2509 kPa = (0.0522 mol x 8.31 J/mol x 493.15 K) / 0.35 m3

As a result, when the vessel is heated to 220°C, a pressure of about 2509 kPa develops.

Learn more about  pressure here:

https://brainly.com/question/16649792

#SPJ4

Answer:

physical

Explanation:

The ion channel that opens in response to acetylcholine is an example of a ligand-gated ion channel, which is a type of direct or membrane signal transduction system.

In this system, the neurotransmitter acetylcholine acts as the ligand that binds to the receptor site on the ion channel, causing it to open and allow the flow of ions across the cell membrane.

This rapid change in ion concentration can trigger a range of cellular responses, such as muscle contraction or nerve impulse transmission.

Ligand-gated ion channels are distinct from other types of signal transduction systems, such as G protein-coupled receptors and enzyme-linked receptors, which rely on intracellular signaling pathways to mediate the response to ligand binding.

to know more about signal transduction refer here:

https://brainly.com/question/30449991#

#SPJ11

Answer:

Good day everyone, I am here to talk to you about rocks and minerals and how to identify them.

First, let's define what rocks and minerals are. Rocks are made up of two or more minerals and can be classified into three main types: igneous, sedimentary, and metamorphic. Minerals, on the other hand, are naturally occurring inorganic substances with a definite chemical composition and crystal structure.

Now, when it comes to identifying rocks and minerals, there are a few key things to look out for. One is the color - minerals can come in a wide range of colors, and certain colors can indicate specific types of minerals. Another factor to consider is the texture - does the rock feel smooth or rough, and are there any visible grains or crystals? Additionally, the hardness of a mineral can be a helpful clue, as can its reaction to acid or other chemicals.

There are also various tools and techniques that can be used to aid in the identification process, such as a magnifying glass, streak test, and acid tests. It's important to use caution when handling certain minerals, as some can be toxic or contain harmful substances.

The overall charge of an atom or ion is negative if the number of electrons is greater than the number of protons.

A subatomic particle with a negative charge is called an electron. It is found outside the nucleus of an atom and is one of the main constituents of matter. Electrons are responsible for the chemical properties of atoms and thus play an important role in chemical reactions. Electrons have low mass and move around the nucleus at relativistic speeds. They are also responsible for the electrical and magnetic properties of atoms, and for the transmission of light and other forms of energy. Electrons can also interact with other particles and form complex structures, such as molecules.

To learn more about electron
https://brainly.com/question/26084288
#SPJ4

Answer: c

Explanation: effusion because there is a movement of a gas through a small opening into a larger volume

Answer:

january

Explanation:

it is in january

The number of neutrons in the most abundant isotope of krypton according to the mass spectrum is 48.

The neutron is a subatomic particle with the sign n or n0, a neutral charge, and slightly more mass than a proton. Atoms' nuclei are made up of protons and neutrons. Except for basic hydrogen, every atom's nucleus contains a neutron, a subatomic particle. The name of the particle comes from the fact that it is electrically neutral and devoid of charge. The densest particles are neutrons.

A category of a subatomic particle having a positive charge is the proton. The strong nuclear force holds the protons together in the atom's nucleus. A subatomic particle with no charge is called a neutron (they are neutral)

You can find out how many protons, neutrons, and Z an isotope has in its nucleus by looking at its mass number A. Z is determined by the atomic number.

A = Z + number of atoms

krypton-84 So

A = 84

Number of neutrons

A - Z

= 48

To know more about neutrons, visit:

https://brainly.com/question/18501839

#SPJ9

The formula for calculating the volume of a rectangular prism is V = lwh,

where l, w, and h represent the length, width, and height, respectively.

Using the dimensions given, we can calculate the volume of the rectangular prism:

V = 5.6 cm × 2.1 cm × 6.6 cm

V = 78.408 cm³

Therefore, the volume of the rectangular prism is 78.408 cubic centimeters.

The volume of a rectangular prism is found by multiplying its length by its width by its height. To find the volume of a rectangular prism, we use the formula

V = lwh,

where l, w, and h represent the length, width, and height, respectively.

In this problem, we are given a length of 5.6 cm, a width of 2.1 cm, and a height of 6.6 cm. To calculate the volume of this rectangular prism, we substitute these values into the formula V = lwh.

V = 5.6 cm × 2.1 cm × 6.6 cm

V = 78.408 cm³

Therefore, the volume of the rectangular prism is 78.408 cubic centimeters.

The volume of the rectangular prism with a length of 5.6 cm, a width of 2.1 cm, and a height of 6.6 cm is 78.408 cubic centimeters.

To know more about prism visit:

brainly.com/question/21623761

#SPJ11

the answer is the third one

Explanation:

it just is I think

The chemical has a percent composition of 56.35% oxygen and 43.65% phosphorus.

A substance has an oxygen content of 88.79% and a hydrogen content of 11.19%. Calculate this compound's empirical formula. Nonetheless, it's customary to employ the atom ratio with the smallest whole number. H 2 O is the compound's empirical formula as a result.

P mass of 30.98 g and O mass of 40.00 g add up to 70.98 g.

Phosphorus: \((30.98 g / 70.98 g) x 100% = 43.65%\)

\((40 g/70.98 g) x 100% = 56.35% for oxygen.\)

To know more about phosphorus visit:-

https://brainly.com/question/4622631

#SPJ1

Answer:

Acceleration = 3 meter per second square

Explanation:

Acceleration (A) = rate of change in velocity

so,

=》A =

\( \frac{18 - 9}{3} \)

Where time = 3 seconds

=》

\( \frac{9}{3} \)

=》

\(3\)

so, acceleration =

\(3m {s}^{ - 2} \)

buffering capacity is the term that was used for describing the ability of a solution to prevent the large change in its ph

define buffering capacity ?

Buffering capacity refers to the resistance of a solution to changes in its pH level upon the addition of small amounts of acidic or basic substances. This stability is maintained by the presence of buffer components (weak acids and bases) that neutralize any extra hydrogen or hydroxide ions, thus preventing significant shifts in the solution's pH.

A buffer is a solution that can withstand pH variations by neutralising acids and bases. It works by balancing the concentrations of hydrogen ions (acids) and hydroxide ions (bases) in the solution, which helps to keep the pH generally steady even when little amounts of acids or bases are added.

The phrase buffering capacity was used to describe a solution's ability to avoid a major change in its ph when a basic or acid was added.

To learn more about buffering capacity follow the given link: https://brainly.com/question/29129949

#SPJ4

Answer:

its called drop and swap

Explanation:

For conducting chemical reactions, electrochemical methods rely on electrochemical cells to supply the necessary voltage and current.

How are electrochemical cells dependent on them?

Electrochemical cells, which are machines that use electricity to move ions from one electrode to another, are the foundation of electrochemical methods. I

In an electrochemical cell, a voltage source provides the energy required to move the ions while also driving their motion. A chemical reaction between the electrodes and the ions is sparked by this energy, and the result is a current.

The concentration of the electroactive species in the solution is then determined using the current generated. As a result, electrochemical cells are necessary for electrochemical methods. Chemical reactions can also be used to create energy in electrochemical cells.

To learn more about electrochemical cells refer :

https://brainly.com/question/10470515

#SPJ1

Answer:

Explanation:

The conversion of sulphur to sulfuric acid, though it goes through several steps, is:

2 S + 3 O2 + 2 H2O → 2 H2SO4

OK, so the equation says for every 2 moles of S you will get two moles of sulfuric acid. With a little simple math, then, the ratio of S to H2SO4 is 2:2 which is the same as 1:1.

While not correct by convention, you can write the above equation as

S + 3/2 O2 + H2O → H2SO4

And then the relationship between S and H2SO4 is more clear.

Compounds a, c, and d cannot be isolated due to their reactive functional groups, while compound b can be isolated due to the stability of its functional groups.

This is because they all have reactive functional groups that can undergo various chemical reactions. Compound a has an aldehyde group (COCH3) which is highly reactive and easily undergoes nucleophilic addition reactions with compounds containing a nucleophilic functional group, such as amines or alcohols.

Compound c has a primary amine group (NH2) which is also highly reactive and can undergo various reactions such as acylation, alkylation, or diazotization.

Compound d has two methoxy groups (OCH3) which are electron-donating and can increase the reactivity of adjacent functional groups. This can make it more prone to reactions with other compounds.

On the other hand, compound b has two hydroxyl groups (-OH) which are relatively stable and do not readily undergo reactions. Therefore, compound b can be isolated.

Learn more about functional groups here :-

https://brainly.com/question/28563874

#SPJ11

Battery device in a circuit which supplies voltage. Battery is a electrical component which converts chemical energy into electrical energy using the process electrochemical oxidation-reduction reaction. Voltage is also called as potential difference which means the difference between two electropotentials of battery.

Resistor  is a electronic component which offer resistance in the circuit. Resistor main purpose which opposes current flow in the circuit. Resistor are available in two categories linear resistors(metal oxide resistor ,potentiometer) and non linear resistors (photo resistor and thermistor)

The above two electronic components are played important keyrole in electronic circuit.

Learn more about voltage and resistor

https://brainly.com/question/4289257

Answer:

Radiation

Explanation:

While being beside a campfire, the heat is transmitted by radiation from fire.  

This question was already answered here's the link

https://brainly.com/question/2023746

a) The pH of this solution is 6.02. b) The buffer capacity at pH=4.76 is 4 M. c) The new concentration of acetate ion is 0.2 M - 0.05 moles / total volume + 0.05 moles

a) To calculate the pH of this solution, we can use the Henderson-Hasselbalch equation:

pH = pKa + log([A-]/[HA])

where pKa is the dissociation constant of acetic acid (4.76), [A-] is the concentration of acetate ion, and [HA] is the concentration of acetic acid.

At equilibrium, the concentration of acetate ion and acetic acid can be calculated using the dissociation constant expression for acetic acid:

Ka = [H+][A-]/[HA]

where Ka is the acid dissociation constant for acetic acid.

Rearranging this equation, we get:

[A-][H+] = Ka[HA]

At pH=4.76, the concentration of [H+] is 10^(-4.76) M. Substituting this value and the given concentrations of acetic acid and sodium acetate, we get:

Ka = [H+][A-]/[HA]

1.8 x 10^(-5) = (10^(-4.76))[0.2 M] / [HA]

[HA] = 0.019 M

[A-] = 0.2 M - [HA] = 0.181 M

Now we can substitute these values into the Henderson-Hasselbalch equation to get:

pH = 4.76 + log(0.181 M / 0.019 M) = 4.76 + 1.26 = 6.02

Therefore, the pH of this solution is 6.02.

b) The buffer capacity can be calculated using the equation:

β = Δ[nA-] / ΔpH

where β is the buffer capacity, Δ[nA-] is the change in the concentration of acetate ion, and ΔpH is the change in pH.

At pH=4.76, the concentrations of acetic acid and acetate ion are equal. Therefore, adding a small amount of acid or base will mainly affect the concentration of the conjugate base (acetate ion).

Assuming that a small amount of acid (Δ[H+] = -0.01 M) is added to the buffer, we can calculate the change in [A-] as follows:

Ka = [H+][A-]/[HA]

1.8 x 10^(-5) = (10^(-4.76))[0.2 M - Δ[A-]] / [0.2 M + Δ[HA]]

Δ[A-] = 0.2 M (1 - 10^(0.76)) ≈ 0.04 M

Now we can calculate the buffer capacity:

β = Δ[nA-] / ΔpH = (0.04 M) / (0.01) = 4 M

Therefore, the buffer capacity at pH=4.76 is 4 M.

c) When 0.05 moles of HCl is added to the solution, the amount of acetic acid and acetate ion will change.

However, the total concentration of acetic acid and acetate ion will remain constant, as the volume is assumed to be constant.

The amount of acetic acid that reacts with the added HCl is 0.05 moles. Therefore, the new concentration of acetic acid is 0.2 M - 0.05 moles / total volume.

The amount of acetate ion that forms from the reaction between HCl and sodium acetate is also 0.05 moles. Therefore, the new concentration of acetate ion is 0.2 M - 0.05 moles / total volume + 0.05 moles

to know more about buffer capacity refer here:

https://brainly.com/question/24188850#

#SPJ11

Water auto-ionization equilibrium shifts to the reactant side as [H3O+] falls and [OH-] grows.

Equilibrium in a process is a state in which the observable properties such as color, temperature, pressure, concentration, and so on do not change.

The word equilibrium means 'balance,' implying that a chemical reaction represents a balance between the reactants and products involved. The equilibrium state can also be observed in certain physical processes, such as the melting point of ice at 0°C, where both ice and water are present.

The equilibrium associated with physical processes, such as solid melting or salt dissolution in water, is known as physical equilibrium, whereas the equilibrium associated with chemical reactions is known as a chemical equilibrium. In a reversible reaction, the chemical equilibrium is the state in which both.

Learn more about equilibrium here:

https://brainly.com/question/29359391

#SPJ4

The complete question is:

What will happen if I add a substance that dissociates to provide many hydroxide ions, such as a strong base, into pure water? (Select all that apply)

[H3O+] decreases

the equilibrium of water auto-ionization shifts to the reactant side

[OH-] increases

Answer:

I kinda think it's 2.popular convalent bonding

Decomposition of hydrogen peroxide has a thermodynamic instability. It decomposes at higher temperatures and concentrations to form water and oxygen. Other compounds, such as transition metals like silver and platinum, can catalyze the decomposition of hydrogen peroxide.

In the absence of a catalyst, the reaction of hydrogen peroxide decomposition is very slow at moderate temperatures. It can be accelerated by raising the temperature, which initiates the thermal decomposition reaction. This reaction can take place in either the liquid or vapour phase.

\(H_{2} O_{2}\) is the chemical formula for hydrogen peroxide. It is a very pale blue liquid that is slightly more viscous than water in its pure form. It is used as an oxidizer, bleaching agent, and antiseptic in water, usually in a dilute solution (3%-6% by weight) for consumer use, and in higher concentrations for industrial use. Concentrated hydrogen peroxide, also known as "high-test peroxide," decomposes explosively when heated and has been used as a rocket propellant.

To learn more about decomposition of hydrogen peroxide, here

https://brainly.com/question/19129412

#SPJ4

Charles law states that there is a directly proportional relationship between the volume and the temperature of the gas at certain pressure.

Therefore,

V1/T1 = V2/T2

V1 is unknown

T1 = 159K

V2 = 15.5m3

T2 = 456K

V1/159 = 15.5/456

V1 = (15.5*159)/456 = 5.404m3.

When the volume of a gas is changed from 5.404 m3 to 15.5 m3 the temperature will change from 159 K to 456 K.

Answer:

Ionic bonding is the complete transfer of valence electron(s) between atoms and is a type of chemical bond that generates two oppositely charged ions. By losing those electrons, these metals can achieve noble-gas configuration and satisfy the octet rule. ...

Explanation:

Answer:

heterogeneous          

In order to give birds a varied and balanced diet, commercial bird seed blends typically include a range of seeds, grains, and other substances. As a result, bird seed is frequently categorised as a heterogeneous blend.

A seed is referred to as homogenous if its genetic makeup, size, shape, and other traits are all consistent. To guarantee consistency in the ensuing plants, these seeds are typically created through controlled breeding or genetic manipulation. A heterogeneous seed, on the other hand, is one that varies in genetic makeup, size, shape, and attributes. These seeds frequently result from cross-pollination or natural pollination between various species or kinds.

To know more about heterogeneous seed, here:

https://brainly.com/question/30583932

#SPJ6

a) lithium

Execution:

First, a magnesia stick is dipped in hydrochloric acid and then in lithium chloride. The stick is then held in the burner flame.

Observation:

The flame turns carmine.

b) ammonium ion

Execution:

Some ammonium sulfate is placed in a small vessel. A strip of indicator paper is moistened and stuck to the inside of a watch glass case. Then a few drops of hydrochloric acid are added to the ammonium sulfate and the watch glass bowl is held over the vapors that develop.

Observation:

The indicator paper turns blue because gaseous ammonia is produced, which reacts with the water in the indicator paper to form a base.

c) sulfate ions

Execution:

The ammonium sulfate is dissolved in water and treated with barium chloride solution.

Observation:

A white, poorly soluble precipitate of barium sulfate is formed.

d) presence of water

Execution:

Anhydrous copper sulfate, which is white, is added to the substance to be tested.

Observation:

In the presence of water, the salt turns light blue.

e) carbonate ions

Execution:

A few drops of hydrochloric acid are placed on the solid calcium carbonate.

Observation:

A gas evolution can be observed, during which carbon dioxide is produced.

f) iodide ions

Execution:

A potassium iodide solution is mixed with silver nitrate solution.

Observation:

A yellow precipitate of silver iodide is formed.