FILL IN THE BLANK. Whereas sodium is found mainly in the extracellular fluid, most ______ is found in the intracellular fluid. A) iron. B) chloride. C) bicarbonate

KOH. Option B is correct

A chemical compound are made up of more than one element combined together. According to the question, we need to determine the formula that represents a compound.

The compound there is KOH since it contains three elements (Potassium, Oxygen and Hydrogen)

Answer:

it's dairy

Explanation

Answer:

Answer choice B. It is a spiral Galaxy

Answer: The number of series in Mendeleev's Periodic table is 12.

Explanation:

Horizontal rows present in the periodic table are called periods. Vertical rows in the periodic table are called series.

Mendeleev gave periodic table in the year 1869 by arranging elements according to their atomic weights a in tabular form.  

Mendeleev's periodic table depicts 12 periods/series.

Thus, we can conclude that the number of periods/series in Mendeleev's Periodic table is 12.

Answer:

7x-2(3-4)-2

Pls help

Explanation:

If the compound phosphorus pentaiodide (PI5) has no lone pairs, it would take the shape of a Trigonal bipyramid. The correct option is C.

Phosphorus pentaiodide is an inorganic compound. It was claimed to be discovered in the 1900s, but it is still disputed because the size of the iodine atom is very large, and it can not be attached to one phosphorus. Its formula is PI₅.

A trigonal bipyramid is a shape that has three sides like a triangle. It is made when two pyramids are joined with their base. So, bipyramid means two pyramids and trigonal because of three sides.

If phosphorus pentaiodide exists, then it will be trigonal bipyramid shaped.

Thus, the correct option is C. Trigonal bipyramid.

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Answer: An electron con only exist in a limited number of quantized energy levels.

Explanation:

Answer:

See Explanation

Explanation:

Both oxygen and dinitrogen (1) oxide are known to rekindle a glowing splint. However, oxygen is an odorless gas while dinitrogen (1) oxide has a faint smell and has an effect on the central nervous system.

Also, the combustion of dinitrogen (1) oxide produces brown fumes of nitrogen IV oxide.

Finally, when dinitrogen (1) oxide and oxgen are both heated with copper, residual nitrogen gas is left with dinitrogen (1) oxide while no residual gas is left with oxygen.

Answer:

-, from, to, exothermic

Explanation:

When 1.0 mole of MgSO₄ is dissolved in water contained in a calorimeter, the temperature of the water and dissolved ions increases.

Therefore the sign of ΔH for this reaction is "-". By convention, for exothermic reactions, the enthalpy has a negative sign.

Heat is transferred from the system to the surroundings. This heat, released by the system, is absorbed by the surroundings and used to raise their temperature.

The reaction is classified as exothermic.

Answer:

A. None of these.  

Explanation:

A crystal structure is an arrangement of atoms or ions in a repeating three-dimensional array.

B. is wrong. Metal atoms, such as gold, arrange themselves into a crystal structure.

C. is wrong. Ionic solids, such as sodium chloride, arrange themselves into a crystal structure.

D. is wrong. Macromolecules (network solids), such as diamond, arrange themselves into a crystal structure.

The correct answer is None of these.  

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Answer: 3.50

Explanation:

because the heat of engine cause a gas

Answer:

d. stable

Explanation:

Noble gases have 8 valence electrons which makes them the least reactive.

The asbestos exposure during the years 1982 and 1983 was 2.5 fibers per cubic centimeter and 0.8 fibers per cubic centimeter respectively. So asbestos exposure decreased by 1.7 fibers per cubic centimeter during the year 1983.

Breathlessness Persistent, dry cough Chest pain or tightness Lack of a dry, crackling sound in the lungs when you breathe in Wider and rounder fingers and toes are some of the symptoms of asbestos exposure.

The largest group of people exposed to asbestos is those working in the construction industry. Historically, asbestos was also used by pipe fitters and shipyard workers. In addition, asbestos was used by military personnel, auto mechanics, and many other occupations.

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Answer:

Explanation:Canguru comeu algumas folhas de 3 galhos de eucalipto. Cada galho tinha inicialmente20 folhas. Canguru comeu algumas folhas do primeiro galho e depois comeu tantas folhas do segundo galho quantas tinham sido deixadas no primeiro galho. Depois ele comeu 2 folhas do terceiro galho. No total, quantas folhas foram dei-xadas nos 3 galhos?Canguru comeu algumas folhas de 3 galhos de eucalipto. Cada galho tinha inicialmente20 folhas. Canguru comeu algumas folhas do primeiro galho e depois comeu tantas folhas do segundo galho quantas tinham sido deixadas no primeiro galho. Depois ele comeu 2 folhas do terceiro galho. No total, quantas folhas foram dei-xadas nos 3 galhos?Canguru comeu algumas folhas de 3 galhos de eucalipto. Cada galho tinha inicialmente20 folhas. Canguru comeu algumas folhas do primeiro galho e depois comeu tantas folhas do segundo galho quantas tinham sido deixadas no primeiro galho. Depois ele comeu 2 folhas do terceiro galho. No total, quantas folhas foram dei-xadas nos 3 galhos?Canguru comeu algumas folhas de 3 galhos de eucalipto. Cada galho tinha inicialmente20 folhas. Canguru comeu algumas folhas do primeiro galho e depois comeu tantas folhas do segundo galho quantas tinham sido deixadas no primeiro galho. Depois ele comeu 2 folhas do terceiro galho. No total, quantas folhas foram dei-xadas nos 3 galhos?Canguru comeu algumas folhas de 3 galhos de eucalipto. Cada galho tinha inicialmente20 folhas. Canguru comeu algumas folhas do primeiro galho e depois comeu tantas folhas do segundo galho quantas tinham sido deixadas no primeiro galho. Depois ele comeu 2 folhas do terceiro galho. No total, quantas folhas foram dei-xadas nos 3 galhos?

Answer:

it's liquid

Explanation:

because liquid has no shape as it travels and cannot be stopped

Answer:

Definition: - Radiation is the emission or transmission of energy in the form of waves or particles through space or through a material medium.

Example: A burning candle emits radiation in the form of heat and light.

The quantum numbers for the very last electron in Cadmium (Cd) atom is  (5, 0, 0, ±¹/₂) for the four quantum numbers.

Quantum numbers are the set of numbers used to express the location and energy of an electron in an atom.

There are four quantum numbers used to describe the location and energy of an electron in an atom, and they are:

The electronic configuration of cadmium is  [Kr]4d¹⁰5s².

Hence, cadmium belongs to period 5 of the periodic table, and the last electron occupies the 5s orbital.

The l value of the s orbital is 0, and mi is 0 as well.

The value of ms is ±¹/₂.

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Approximately 766.08 grams of oxygen are required to completely react with 240g of C₂H₆.

To determine the amount of oxygen required to completely react with 240g of C₂H₆ (ethane), we need to set up a balanced chemical equation for the combustion of ethane.

The balanced equation for the combustion of ethane is as follows:

C₂H₆ + O₂ → CO₂ + H₂O

From the balanced equation, we can see that the stoichiometric ratio between C₂H₆ and O₂ is 1:3. This means that for every one mole of C₂H₆, three moles of O₂ are required for complete combustion.

To calculate the amount of oxygen required, we need to convert the given mass of C₂H₆ to moles using its molar mass, and then use the stoichiometric ratio to determine the moles of O₂ required. Finally, we can convert the moles of O₂ back to grams using the molar mass of oxygen.

The molar mass of C₂H₆ is calculated as follows:

(2 x atomic mass of carbon) + (6 x atomic mass of hydrogen)

(2 x 12.01 g/mol) + (6 x 1.01 g/mol) = 30.07 g/mol

Now, we can proceed with the calculation:

Calculate the moles of C₂H₆:

moles of C₂H₆ = mass of C₂H₆ / molar mass of C₂H₆

moles of C₂H₆ = 240 g / 30.07 g/mol ≈ 7.98 mol

Determine the moles of O₂ using the stoichiometric ratio:

moles of O₂ = moles of C₂H₆ x (3 moles of O₂ / 1 mole of C₂H₆)

moles of O₂ = 7.98 mol x 3 ≈ 23.94 mol

Convert moles of O₂ to grams:

mass of O₂ = moles of O₂ x molar mass of O₂

mass of O₂ = 23.94 mol x 32.00 g/mol = 766.08 g

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GAS A, Graham's law states that the rate of effusion of a gas is inversely proportional to the square root of its molar mass or that the rate of effusion of two gases = square root of the inverse of their molar masses.

PV = nRT, where P is pressure (in atm), V is the volume (in L), n is the number of moles of gas, R is the universal gas constant (0.08206 Latm/molK), and T is temperature, is the formula used to calculate the molar mass (in K).

By dividing the mass of one mole of ammonia by the aforementioned volume, the density can now be computed. This density is somewhat lower than the ammonia density at the STP, which is equivalent to (170.4g/mol)(22.4L/mol)=0.761g/L.

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Answer:

Answer:

Silicon dioxide 

Explanation:

HOPE THIS HELPS YOU

Answer:

Because of pollution and other factors that contain carbon dioxide are warm, and it heats up the air.

Explanation:

Carbon dioxide levels in the Earth's atmosphere have been steadily decreasing. Carbon dioxide has a longer average lifetime in the atmosphere. The warming effect associated with carbon dioxide has remained unchanged

Enthalpy change (H) and entropy change (S) are 11.7 103 Jmol-1 and 105 Jmol-1K-1, respectively, for a reaction at 25 °C.

The absolute entropies of a reactants and their products are S°(N2H4) (= half of this period J/(mol•K), S°(N2) = 191.6 J/(mol•K), or S°(H2) = 130.7 J/(mol•K) at 25°C, where the standard enthalpy change (H°) is 50.6 kJ/mol.

E0 is known as 0.268 V at standard potential at 25°C, despite a slight variation in the computed value above. Similar to a silver-silver chloride electrode, the electrode potential is dependent on the chloride ion concentration.

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Answer: D.) H₂O

Explanation:

Answer:

96.12g

Explanation:

Since D = m/v, We have D = 2.7 g/mL and v = 35.6. We can simply multiply the two to get the mass (since the equation can be rearranged to D*v = m)

The molecules in a copper penny is closely packed and and has no space to move apart thus the material will be denser than that in the molten state. That's why the penny sink in the molten copper.

Copper is a transition metal exhibiting all the metallic properties. The molten state of metals is the fluid state where the molecule are not strongly held by the metallic bonds.

Molten material is made by melting them and the liquid like state contains molecules with some space to move apart. Whereas, in solid state as in a copper penny, the molecules are closely packed and have no space to move apart.

An object will sink in a liquid if it is less dense than the liquid. Copper penny is denser than the molten copper because the molecules are densely packed and it will sink on to it.

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In Earth, only one living organism is able to trap Solar energy or energy from sun with the help of a pigment known as Chlorophyll, and that organism is none other than Green plants.

Why Green plants? Because, Chlorophyll is a n coloured pigment which can trap the sunlight for photosynthesis which is the process of making glucose from raw materials in plants.

Rest options:

Rocks and water are non living organism and can't trap the solar energy. And, animal bodies don't have Chlorophyll pigment, they even obtain their food from plants directly or indirectly.

Hence, the Correct Option is:

\( \large{ \boxed{ \bf{ \red{Option \: B}}}}\)

And we are done !!

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The reason why red is the only color seen after white light passes thrrough the filter is:

B. The color filter absorbs all colors except red light.

As we know, light is a form of energy and a type of electromagnetic radiation. In the case of this experiments the light that is being used is the visible light that is only one part of the electromagnetic spectrum.

Visible light contains all colors, and they differ in wavelengh.

In this case, we are told that the only color of light that passes through the filter is red, and as we know the light that is going into the filter contains all colors (the complete visible spectrum). Therefore we know that the filter absorbs all colors exept for red light.

Covalent bonds between purines and pyrimidine bases  is NOT a type of molecular interaction that determines the tertiary structure of a protein. The correct answer is A.

A polypeptide's overall three-dimensional structure is referred to as its tertiary structure. The interactions between the R groups of the amino acids that make up the protein are principally responsible for the tertiary structure.

The entire spectrum of non-covalent bonds, including hydrogen bonds, ionic bonds, dipole-dipole interactions, and London dispersion forces, all contribute to tertiary structure.

For instance, R groups with opposite charges can form an ionic bond, while those with like charges repel one another. Similar to other dipole-dipole interactions, polar R groups can create hydrogen bonds

Hydrophobic interactions are crucial to tertiary structure because they allow hydrophilic amino acids to connect with nearby water molecules on the outside of the protein while forming clusters of nonpolar, hydrophobic R groups on the inside of the protein.

The disulfide link is a unique sort of covalent bond that can contribute to tertiary structure. Disulfide bonds, covalent connections between the side chains of cysteines that contain sulfur, are substantially more powerful than the other kinds of bonds that make up tertiary structure.

They serve as molecular "safety pins," firmly connecting various polypeptide components to one another.

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