if equimolar concentrations of each of the following species are injected into a previously evacuated vessel, which species will have the highest concentration at equilibrium?

Answer:

They move freely between the clouds of several atoms, si the correcto Answer is D

Explanation:

Hope this helps.

Answer:The main properties of water are its polarity, cohesion, adhesion, surface tension, high specific heat, and evaporative cooling. A water molecule is slightly charged on both ends.

Explanation:

Answer:

The other guy is right

Explanation:

Answer:

The answer will be 2.98K

Explanation:

Using the formula:

Q = mc∆T

Q= 5,800 (heat in joules)

m= convert 15.2kg to g which is 15200g (mass in grams)

c= 0.128 J/g °c (Specific heat capacity)

∆T=  what we need to find (temperature change)

5800J = 15200g x 0.128 x ∆T

= 2.98K  

Answer: A is correct. I don't see the "element shown below," but it isn't needed to answer this question.

Explanation: By definition, the atomic mass is based on the sum of protons (1 AMU each) and neutrons (1 AMU each). Electrons are assigned a value of 0 AMU.

U has a total of six electrons. This corresponds to carbon (C). A is the second most common element in the atmosphere.

The second most common element in the atmosphere is oxygen (O). E is a noble gas.

Noble gases include helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn). Based on the given options, E could be xenon (Xe).

S is an alkali metal.

Alkali metals include lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr). Based on the given options, S could be sodium (Na).

O is a halogen.

Halogens include fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). Based on the given options, O could be bromine (Br).

O has an atomic number larger than V but smaller than W.

Based on the periodic table, the atomic number of oxygen (O) is 8, which is larger than the atomic number of vanadium (V) (23) and smaller than the atomic number of tungsten (W) (74).

The charge on an L ion is +2.

The charge of +2 indicates that L must lose two electrons to form the ion. Based on the given options, L could be calcium (Ca).

C has five electrons in its outer energy fever.

Carbon (C) has four valence electrons, not five. This contradicts the given statement, so we need to revisit the deductions.

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Answer:

sandstone

Explanation:

Answer: iron ore

Explanation: The iron ore deposits are found in sedimentary rocks. They are formed by the chemical reaction of iron and oxygen mixed in the marine and fresh water.

Ionic compounds are formed from ionic bonds which occur when there is electron transfer, while covalent compounds share electrons. Hence, the answer is true.

Covalent compounds are compounds formed by covalent bonds. Atoms form compounds to achieve a stable electronic configuration. Covalent compounds do this by sharing their electrons. Covalent bonds are weaker than ionic compounds and mostly form gases.

Ionic compounds achieve the stable electronic configuration of noble gases by gaining or giving away their electrons. When this happens, the atoms get attracted to each other by electrostatic forces. Atoms that give away their electrons become positively charged cations and atoms that receive electrons become negatively charged anions.

Therefore, the major difference between ionic compounds and covalent compounds is that covalent compounds share electrons and ionic compounds transfer electrons.

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The function of FAD (flavin adenine dinucleotide) in the pyruvate dehydrogenase complex is to oxidize dihydrolipoate to lipoate. FAD acts as a cofactor in the enzyme dihydrolipoamide dehydrogenase, which is a component of the pyruvate dehydrogenase complex.

During the conversion of pyruvate to acetyl-CoA in the pyruvate dehydrogenase complex, dihydrolipoate, a coenzyme attached to the enzyme dihydrolipoamide transacetylase, is oxidized to lipoate. This oxidation process is facilitated by FAD, which acts as an electron acceptor. FAD is reduced to FADH2 in the process.

In summary, FAD in the pyruvate dehydrogenase complex functions to oxidize dihydrolipoate to lipoate, playing a crucial role in the overall conversion of pyruvate to acetyl-CoA during cellular respiration.

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Answer:

No. The density of the gold-colored ring is 16.9 g/mL, which is less than that of pure gold, whose density is 19.3 g/mL. Therefore, the ring is not pure gold.

Explanation:

Density is an intrinsic property of a substance, which means that it is a characteristic of the substance that is independent of the size or amount of the sample. This makes density a useful property for identifying a substance, such as gold, as it can be determined for any size or amount of the sample.

In this question, by comparing the density of the ring to the known density of pure gold, we can determine whether the ring is pure gold. If the ring had the same density as pure gold, we would conclude that it is pure gold.

The density of a substance can be calculated by dividing its mass by its volume, both of which are provided:

Density = mass / volume

The density of the ring = 18.9 g / 1.12 mL = 16.9 g/mL

The known density of pure gold is 19.3 g/mL. Since the density of the ring is less than the density of pure gold, the ring is not pure gold.

The molar mass of a gas can be calculated using the ideal gas law, PV = nRT, where P is pressure, V is volume, n is the number of moles of gas, R is the ideal gas constant, and T is temperature. The molar mass of the gas in the 4.1 g sample is 16.3 g/mol.

Rearranging the equation to solve for n and then using the definition of molar mass (mass/moles), we can find the molar mass of the gas.

1. Rearrange the ideal gas law equation to solve for n: n = PV/RT
2. Plug in the given values for P, V, R, and T: n = (1.35 atm)(5.0 L)/(0.0821 L·atm/mol·K)(325 K)
3. Simplify and solve for n: n = 0.252 mol
4. Use the definition of molar mass to find the molar mass of the gas: molar mass = mass/moles = (4.1 g)/(0.252 mol) = 16.3 g/mol

Therefore, the molar mass of the gas in the 4.1 g sample is 16.3 g/mol.

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a)Igneous rocks, b)Sedimentary rocks c)heat and pressure d)cooling e)weathering/erosion f)heat and pressure, g)compaction/cementation

Under great heat and pressure, the magma that is formed from the volcanoes or earth surfaces forms the a)igneous rocks. The d)cooling of magma produces igneous rocks. These igneous rocks under great heat and pressure form metamorphic rocks.

Through the process of e) weathering and erosion, both igneous and metamorphic rocks turn to form sediments which on g)compaction and cementation form b) sedimentary rocks.

In this cycle rocks of different types are formed through various geological processes. Depending upon the external conditions the size and structure of rocks are determined. However, under great c)pressure and heat metamorphic rocks turn to form magma and form igneous rocks. Likewise, sedimentary rocks under f) heat and pressure form metamorphic rocks.

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Answer:

The pH of the solution is basic

Explanation:

as one of the characteristics of the base is to increase the OH concentration in a solution so if the solution has low concentration of OH this means that the solution is basic

After 30 minutes of being in vinegar, the penny will be covered in a thin layer of copper oxide.

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Diffusion Coefficient at 600°C

D₁= 5.5*10⁻¹⁴ m²/s

Diffusion Coefficient at 700°C

D₂= 3.9*10⁻¹³ m²/s

D₁= D₀. exp(- Qd/ R.T₁)

D₂= D₀. exp (-Qd/ R.T₂)

We can solve first equation for D₀

D₀= D₁/ exp ( -Qd/ R.T₁)

Put D₀ in equation 2

D₂= D₁. Exp ( Qd/R. (1/T₁ - 1/T₂)

On rearranging the equation we can solve it for Qd:

Qd = R. ㏑( D₂/D₁) (T₁.T₂/ T₂-T₁)

     = 8.314. ㏑( 3.9*10⁻¹³/ 5.5*10⁻¹⁴).( 873*973/100)

    Qd  = 138.3 KJ/mol

Now D₀= D₁/ exp ( -Qd/RT₁)

= 5.5*10⁻¹⁴/ exp (138300/8.314*873)

D₀= 1.04* 10⁻¹⁵ m²/s

For T= 830°C

D= 1.04* 10⁻⁵. exp ( 138300/8.314*1103)

D =  1.04* 10⁻⁵. exp ( 138300/9170.34) m²/s

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Answer:Gained, Lost , Shared

Explanation:

The oxidation state tells you how many electrons an atom has GAINED.................. , LOST....................... , or SHARED........................ , in forming a compound.

Oxidation state is defined as the  the total number of electrons that an atom gains or loses when forming a chemical bond with another atom.

----To form an ionic bond for example in NaCl, Na, with 11 electrons and one valence electron in its outermost shell donates or lose that valence electron to Chlorine  with 17 electron and 7 in its outermost shell. Therefore Sodium, Na acquires the +1 oxidaton state to become stable and Chlorine acquires the -1 oxidation state  to become stable  forming the  NaCl compound.

To form a covalent compound, There must be sharing of electrons between atoms.For example, in PCl3,  The  phosphorous atom with atomic number 15 shares its three unpaired electrons with the single valence electrons of three chlorine atoms. making the four molecules to attain stability with  Phosphorous having +3 and the chlorine atoms having -1 oxidation states

Answer:

the leaves i think

Explanation:

i had this on a test once.

When a tree is growing on a rock its weight can crush the rock, as a form of mechanical weathering is not a way trees are considered to affect weathering

Weathering is a process that breaks down or disintegrates the rocks which are present on the surface of our planet. Biological life can also affect weathering in many ways.

Tree roots can grow through rock cracks causing the cracks to expand. Sprouts can start to grow near cracks in rocks. The sprout when it grows would start to put pressure on the rocks by the roots that would penetrate them and also by the weight it exerts when it turns to a tree.

Tree’s roots (and other vegetation) can release acids that can cause weathering of rock. Plants are capable of producing acids to protect themselves against invaders like microbes and insects. When plants release acids, it would change the chemical composition of the rock that would eventually break the rock. This type of weathering is called chemical weathering

Trees (and other vegetation) when decomposing can cause chemical weathering. When trees decompose it could produce acids like carbonic acid that would help in disintegration of rocks.

When a tree is growing on a rock its weight would not directly crush the rock, as a form of mechanical weathering. Rocks with crack would be the main source of mechanical weathering by rocks.

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Since there is no more gas to vent into the suit, the suit does not vent anymore co2 out of the suit as he uses up the oxygen he makes more co2 this will result in Hypoxemia or respiratory failure.

Hypoxemia is characterised by low amounts of oxygen in the blood. It causes headaches, trouble breathing, a high heart rate, and blue skin.

Respiratory failure is a condition in which your blood lacks oxygen or contains too much carbon dioxide. Both difficulties might occur at times.

When you breathe, oxygen enters your lungs. The oxygen enters your bloodstream and travels to your organs. Your organs, such as your heart and brain, require oxygen-rich blood to function properly.

Another aspect of breathing is exhaling carbon dioxide from the bloodstream. Too much carbon dioxide in your blood can be harmful to your organs.

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Following are the KMT's five central tenets: The particles in a gas are constantly moving at random speeds, their total volume is tiny, they do not interact with one another physically, and their collisions are entirely elastic.

Gases will depart from the ideal gas law when the Kinetic Molecular Theory's five postulates fail, and there are five postulates in total.

The relationship between a gas particle's average kinetic energy and temperature is direct. The speed at which the gas molecules move rises with temperature.

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A biomolecule is a molecule that is vital to life processes. Carbon, hydrogen, and oxygen are important components of biomolecules.

The statements that accurately describe the formation of the new biomolecule are:

1) Lipids are being formed.

2) The monomers are fatty acids.

3) This is a dehydration synthesis reaction.

Lipids are molecules that contain a chain of fatty acid, a phosphate group and ester linkages as shown.

The monomers that are involved in building a long chain of lipids are fatty acids.

The molecule is formed as water molecule is lost at each point of attachment of fatty acids. This makes the reaction a dehydration synthesis reaction.

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Answer:

The answer is A, B, and E.

Explanation:

I just took it in usa test prep.

Answer:

0.342 mol

Explanation:

Molar mass of  

NaCl = 58.4 g/mol

Number of moles in  

20.0 g NaCl

is

20.0

g

58.4

g

/mol

=

0.342 mol

The required volume of aniline for the synthesis is 190 microliters.

To calculate the volume of aniline needed, we can use the formula:

Volume (V) = Mass / Density

Given that the mass of aniline to be used is 184 mg and the density of aniline is 0.97 g/mL, we can substitute these values into the formula:

V = 184 mg / 0.97 g/mL

To ensure consistent units, we convert milligrams (mg) to grams (g):

V = 0.184 g / 0.97 g/mL

Now we can divide the mass by the density to find the volume:

V = 0.19 mL

Since we need the volume expressed in microliters, we can convert milliliters (mL) to microliters (µL) by multiplying by 1000:

V = 0.19 mL * 1000 = 190 µL

Therefore, the volume of aniline to be used for the synthesis is 190 microliters, rounded to two decimal places.

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Answer:

Eukaryotes

Explanation:

(i) True. If f(n) E O(n) and g(n) E O(n), then it implies that there exist constants c1 and c2 such that f(n) ≤ c1n and g(n) ≤ c2n for all n > N, where N is some positive integer. Thus, f(n) + g(n) ≤ c1n + c2n = (c1 + c2)n for all n > N. This means f(n) + g(n) is bounded above by a constant multiple of n, i.e., f(n) + g(n) E O(n).

(ii) True. If f(n) E O(n), then it implies that there exists a constant c such that f(n) ≤ cn for all n > N, where N is some positive integer. Thus, n² x f(n) ≤ cn x n² = cn³ for all n > N. This means n² x f(n) is bounded above by a constant multiple of n³, i.e., n² x f(n) E O(n³).

(iii) True. If f(n) E O(n) and g(n) E O(n²), then it implies that there exist constants c1 and c2 such that f(n) ≤ c1n and g(n) ≤ c2n² for all n > N, where N is some positive integer. Thus, f(n) x g(n) ≤ c1n x c2n² = c1c2n³ for all n > N. This means f(n) x g(n) is bounded above by a constant multiple of n³, i.e., f(n) x g(n) E O(n³).

(iv) True. If f(n) € Θ(n log n), then it implies that there exist constants c1, c2, and N such that c1n log n ≤ f(n) ≤ c2n log n for all n > N. Thus, f(n) x n ≤ c2n² log n for all n > N. Since n^2 log n → ∞ as n → ∞, it follows that f(n) x n e o(n² log n).

(v) False. Consider f(n) = n log n and g(n) = n log n. Both f(n) and g(n) € Θ(n log n), but their product f(n) x g(n) = n² (log n)² € Θ(n² (log n)²), which is not constant.

(vi) False. Consider f(n) = n and g(n) = n. Both f(n) E Ω(n) and g(n) E Ω(n), but limn→∞ f(n) / g(n) = 1, which is not equal to any positive constant.

Overall, it is important to understand and apply the properties of asymptotic notation correctly to analyze the behavior of functions and algorithms as the input size grows.

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The study of variation and inheritance is called genetics.  "Inheritance being defined as a technique through which the qualities and attributes are passed

The term 'Inheritance' comes a contraction of the word "Inherit" that means, "to inherit any trait, attributes or traits from family". Therefore, "Inheritance being defined as a technique through which the qualities and attributes of the super class or even other derived classes are passed down to the sub or child class.

It also has the ability to take characteristics first from child class and use them in other derived classes." The study of variation and inheritance is called genetics.

Therefore, the study of variation and inheritance is called genetics.

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The joint in the human body which is similar to the chicken wing joint is referred to as the elbow joint.

This is referred to as a point where two or more bones meet and are usually lined with cartilages so as to reduce the effect of friction as it causes wear and tear of the skeletal structures which are important for our movement.

The chicken has a structure called wing as its hands which is therefore the reason why it is similar to that of the elbow joint in humans and makes it the correct choice.

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B. intermolecular attractions.

Answer:

D

they are used for manufacturing Of diodes

Answer:

is the answer D

Explanation:

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