In these chemical compounds, c is for carbon, o is for oxygen, n is for nitrogen, and k is for potassium. Which chemical compound is organic?.

Answer:

genatics play a huge part. Your mom may be on the tall side or may have cheated on your father. Plus she may of gotten married before you and her father where married or you may of allready been born before she meant your father meaning you have a differnt biological dad then you think.

Explanation:

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~Zero~

2moles of H₂SO₄ are needed to react with 4 moles of NaOH.

The number of moles present in a compound is the total number of atoms, ions or molecules present in that compound.

Number of moles of any substance

= mass of that substance/molar mass of the substance

1 mole of any substance contains 6.022 × 10²³ number of atoms, ions or molecules. 6.022 × 10²³ is also known as avogadro's number.

The mole ratio of NaOH:H₂SO₄ is 2: 1

Which  means that  1mole of H₂SO₄ require 2 moles of NaOH.

Therefore 4 mole of NaOH will require:  4÷2=2 moles of  H₂SO₄

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Answer:

(a) All are correct

Explanation:

catalyst a substance which speeds up a chemical reaction and remains itself unchanged.

example: Iron used in Haber process for the manufacture of ammonia.

~Shoto Todoroki here~

Remember that for neutral atoms, the number of electrons must equal the atomic number. Adding up all the electrons from the given configuration will give

This means that the atom you're looking for has an atomic mass of 23, which corresponds to the atomic mass of Vanadium, a transition metal located in the fourth row, group 5 of the periodic table.

Vanadium's noble gas shorthand notation is

V:[Ar]4s23d3

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Answer:

A boiled egg shows a increase in entropy

Explanation:

Denaturation of protein leads to increase in entropy.

Answer:the correct answer is A.To open an artery near the heart

Explanation:I just took the test :)

A stent is used to open an artery near the heart and the correct option is option A.

A stent is commonly used in medical procedures to open up narrowed or blocked arteries near the heart. It is a small, mesh-like tube typically made of metal or synthetic materials. The stent is inserted into the affected artery and expands, effectively widening the artery and improving blood flow. This procedure is known as coronary angioplasty or stenting.

The narrowing or blockage of arteries can occur due to atherosclerosis, a condition in which plaque builds up on the artery walls. This can lead to reduced blood flow and potentially result in chest pain (angina) or even a heart attack. By placing a stent, the artery is opened up, allowing for improved blood flow to the heart muscle.

Thus, the ideal selection is option A.

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Study of the absorption and emission of light and other radiation by matter, as related to the dependence of these processes on the wavelength of the radiation.

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Answer:

Under high temperatures and low pressure, gases behave the most ideal.

Explanation:

Low pressure reduces the effect of the finite size of real particles by increasing the volume around each particle, and a high temperature gives enough kinetic energy to the particles to better overcome the attractions that exist between real particles. (Prevents sticking.)

In summary, real gases behave more like ideal gases when they are far away from a phase boundary, (condensation or freezing).

Answer:

The Kelvin Scale has the highest value fir the boiling point of water. The Kelvin degree is the same size as the Celsius degree; hence the two reference temperatures for Celsius, the freezing point of water (0°C), and the boiling point of water (100°C), correspond to 273.15°K and 373.15°K, respectively.

Answer:

The Answer is Kelvin

Explanation:

Have a nice day/night!!

Answer: Option B; It traps light energy and converts it into chemical energy.

moles of oxygen: 1/2 x moles of water

= 1/2 x 7.8 = 3.9

The outdoor temperature, also known as the ambient temperature, is a measure of the amount of heat in the environment and this depends on the kind of environment.

The outdoor temperature around here is about 33 [tex]^oC[/tex].

The temperature in the tropical area, where this area belongs, varies between 27 to 35 [tex]^oC[/tex] with an annual average of about 28 [tex]^oC[/tex].

In order words, tropical regions are generally warm, unlike temperate regions.

Tropical regions also have two distinct seasons, the rainy and the dry seasons. This is unlike temperate regions that have summer, spring, winter, and autumn.

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Answer:

Solidifications of alloys occurs over a range of temperatures whereas solidification of a pure metal will take place at a constant temperature

Answer:

Remember that there are 5 moles of water for every 1 mole of hydrate

159.61g mol−1(159.61+5×18.015)g mol−1×100=63.92% CuSO4

This tells you that for every 100 g of copper(II) sulfate pentahydrate, you get 63.92 g of anhydrous copper(II) sulfate. Use this as a conversion factor to get

1.596g CuSO4⋅100 g CuSO4⋅5H2O63.92g CuSO4=2.497 g CuSO4⋅5H2O

Rounded to two sig figs, the answer will be

Answer:

O₂(g), Br₂(l) Fe(s), He(g)

Explanation:

Those elements that occur naturally in nature are the right answers because it took nothing to make them

Delta. Hf = 0 means no heat was lost or gained

standard enthalpy of formation is defined as the change in enthalpy when one mole of a substance in the standard state is formed from its pure elements under the same conditions

O₂(g): Yes, it is a pure element in the standard state.

N(g): No, the pure element in the standard state is N₂(g).

H₂O(l): No, it is not a pure element but a compound.

Br₂(l): Yes, it is a pure element in the standard state.

Fe(s): Yes, it is a pure element in the standard state.

He(g): Yes, it is a pure element in the standard state.

S₆(s): No, the pure element in the standard state is S₈(s, rhombic).

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Photosyntheis is a biochemical reaction that combines chemicals with biological species to produce energy. Atoms of hydrogen bond with carbon to form glucose.

Carbon dioxide and hydrogen are the reactants that are used from the environment by the plants to make energy. Glucose and oxygen are the products.

The hydrogen atoms from the environment are absorbed by the plants and are combined with the carbon dioxide to yield glucose or sugar molecules for energy.

Therefore, option B. hydrogen and carbon dioxide react to produce glucose.

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Answer:

One plate is going underneath the other plate and sinking into soft rock below.

Explanation:

Tectonic plates will move each other to form rocks and mineral layers. The correct diagram which showing the result of two tectonic plates to each is diagram C.  One plate is going underneath the other plate and sinking into the soft rock below.

Earth's  lithosphere composed of tectonic plates of different sizes and shapes. These plates move away or each other results in the formation of soft rocks and mineral layers.

The magma inside the mantle of earth crust become hot fluid by convection and it flows out. This flow of magma creates slight movement in tectonic plates finally they move in different directions.

The rocks in earth crust will undergoes weathering and results in sand formation. The boundaries of the tectonic plate will be different in different regions and characteristics of that region depends on the type of boundary such as presence of islands volcanoes etc.

When two tectonic plates moves each other one  plate is going underneath the other plate and sinking into the soft rock below. Hence, option C correct.

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Your question is incomplete. But your complete question probably was:

Dr. Steiner and her team have been using GPS to track two plates that are moving toward each other. Which diagram shows what is happening at the place where the plates are moving toward each other?

Diagram A: Two plates are hitting each other, and the plates are breaking into pieces, creating sand.

Diagram B: Two plates are pushing against each other, causing the edges to bend upward.

Diagram C: One plate is going underneath the other plate and sinking into the soft rock below.

Diagram D: One plate is going underneath the other plate and sinking into the ocean below

HI and I⁻ is the acid-conjugate base pair.

According to Bronsted-Lowry definition of acid and base, those pair which are differ in the single no. of proton or H⁺ ion is known as acid and conjugate base pair or base and conjugate acid pair.

Given chemical reaction is:

HI + H₂O → H₃O⁺ + I⁻

Here, HI = acid,

H₂O = base,

H₃O⁺ = conjugate acid and

I⁻ = conjugate base

Hence, option (d) is correct i.e. HI & I⁻ is the acid-conjugate base pair.

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Answer:

d, HI and I–

Explanation:

i copied the other guy

Consider the reaction below.

HI + H2O Right arrow. H3O+ + I–

Which is an acid-conjugate base pair?

HI and H2O

H2O and H3O+

H3O+ and I–

HI and I–

Answer:the answer is 0.0550L

Explanation:

Answer:

edge sample answer -

Lesson Question: What is the effect of temperature on the solubility of a solid in a liquid?

Explanation:

Answer:

Agriculture, forestry, and fisheries are examples of cultural ecosystem services

Explanation:

They provide food (fisheries, agriculture) to both humans and other animals, and forestry provides recreation for humans and an ecosystem for animals!

Answer:

Lithium = 2

Sulphur = 1

Oxygen = 4

Total = 7

Explanation:

They have a directly proportional relationship.

i.e.

when one of them varies in magnitude, the others will also vary directly.

Quantities expressed as products of each other are always inversely proportional & those expressed as quotients are directly proportional with each other.

KE = 1/2mv^2

Thus, we know that m & v in KE are inversely related.

Inverse proportionality - when m increases, v decreases. & vice versa.

Direct proportionality - when v increases KE also increases

If Temperature increases then the probability of atoms to randomly collide with each other increases rapidly.

the rapidity of these atoms result from the increase in speed(v). since v & KE have a direct r/n ship, KE also increases. as a result the atoms get a relatively high freedom of movement compared to that of those in solids.

Answer:

Does water move in or out of a hypotonic solution?

In a hypertonic solution, the net movement of water will be out of the body and into the solution. ... In hypotonic solutions, there is a net movement of water from the solution into the body. A cell placed into a hypotonic solution will swell and expand until it eventually burst through a process known as cytolysis.

Explanation:

If a cell is placed in a hypertonic solution, water will leave the cell, and the cell will shrink. In an isotonic environment, there is no net water movement, so there is no change in the size of the cell. When a cell is placed in a hypotonic environment, water will enter the cell, and the cell will swell.

Answer:

if the colliding objects have unequal mass, they will have unequal accelerations as a result of the contact force that results during the collision.

Answer:

Convert 6.50 g N to g urea.

6.50 g N x (molar mass urea/2*atomic mass N) = ? g urea.

Explanation:

Answer:

number of molecules and the number of moles

Explanation:

Its always same for molcols

The relationship between number of molecules and the number of moles  is more consistent as the moles and molecules are related by Avogadro's number.

Avogadro's number is defined as a proportionality factor which relates number of constituent particles with the amount of substance which is present in the sample.

It has a SI unit of reciprocal mole whose numeric value is expressed in reciprocal mole which is a dimensionless number and is called as Avogadro's constant.It relates the volume of a substance with it's average volume occupied by one of it's particles .

According to the definitions, Avogadro's number depend on determined value of mass of one atom of those elements.It bridges the gap between macroscopic and microscopic world by relating amount of substance with number of particles.

Number of atoms can be calculated using Avogadro's number as follows: mass/molar mass×Avogadro's number

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The concentration of NO2 is 0.054 M and that of N2O4 is 0.003 M.

The equilibrium constant shows the extent to which reactants are converted into products.

We have the reaction;  N2O4⇌2NO2 and Kp = 4.5. Setting up the ICE table, we have;

       N2O4       ⇌     2NO2

I       0. 0550               0

C       -x                        +x

E    0. 0550 - x            x

Given that;

Kp = [NO2]^2/[N2O4]

4.5= (x)^2/0. 0550 - x

4.5(0. 0550 - x) = x^2

0.2475 - 4.5x = x^2

x^2 +  4.5x -  0.2475 = 0

x=0.054 M

The concentration of the required NO2 gas at equilibrium is 0.054 M and that of N2O4 is 0.003 M.

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