One student made the incomplete diagram shown below to represent the relationship between sediment, igneous rocks, and metamorphic rocks:


three ovals, labeled from left to right, metamorphic rock, sediment, and igneous rocks respectively.


Which of these is the correct next step to complete the diagram?


Put an arrow labeled heat and melt, pointing from igneous rocks to sediment.


Put an arrow labeled deposition and lithification, pointing from metamorphic rock to sediment.

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Put an arrow labeled cools and crystallizes, pointing from igneous rocks to sediments.


Put an arrow labeled heat and pressure, pointing from sediment to metamorphic rock.

The correct diagram is W.

A diagram is often a -dimensional display that communicates the use of visual relationships. it is a simplified and dependent visual representation of ideas, ideas, buildings, family members, statistical records, anatomy, etc. it can be used for all elements of human activities to give an explanation for or illustrate a topic. example Diagrams are graphics that show a photo, or photographs, accompanied with the aid of either note, labels, or a legend, which will explain principles or techniques. Describe gadgets or locations.

Display how matters paintings, circulate or change. assist provide extra perception into the issue displayed. A diagram is a drawing that suggests the distinctive parts of something and the way they work collectively. three-Line diagram is part of the detailed design document. Used for manipulating designing circuit diagrams, managing circuits, segment sequencing, differential relay placing, and metering transformer connection. A records chart is a sort of diagram or graph, that organizes and represents a set of numerical or qualitative information.

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Answer:

The highest energy level number (1 through 7) for the electrons in an atom corresponds to the period (or row) in the periodic table to which that atom belongs. Because there are 7 periods in the table, there are 7 energy levels. For example, hydrogen (H) is in the first period, so it has only one energy level.

Answer:

The number of valence electrons in an atom is reflected by its position in the periodic table of the elements.

Explanation:

Across each row, or period, of the periodic table, the number of valence electrons in groups 1  2 and 13  18 increases by one from one element to the next.

Answer: Human evolution is the lengthy process of change by which people originated from apelike ancestors. Scientific evidence shows that the physical and behavioral traits shared by all people originated from apelike ancestors and evolved over a period of approximately six million years

Explanation:

Answer: Though a hydrogen atom has only one electron, it contains a large number of shells, so when this single electron jumps from one shell to another, a photon is emitted, and the energy difference of the shells causes different wavelengths to be released... hence, mono-electronic hydrogen has many spectral lines.

Explanation: sry its late

Answer: Your welcome!

Explanation:

The frequency of a line in the hydrogen spectrum is determined by the difference in energy between two energy levels in the hydrogen atom. The energy levels are determined by the electron's angular momentum and can be expressed as the quantum number n. The energy of the lines is then determined by the difference between two energy levels (n1 and n2) and is given by the equation ΔE = hc/λ = (R/n2^2) - (R/n1^2), where R is the Rydberg constant and h is Planck's constant. The frequency of the line is then determined by the equation ν = ΔE/h.

Find hydrogen ion concentration of the original solution using the law of mass conservation after some further algebraic manipulation:

[H+]2+Ka[H+]-KaCa=0 (Ka - weak acid dissociation constant, Ca – weak acid concentration)

Ka=10-6.3=5.01*10-7

Set up the quadratic equation: [H+]2+5.01*10-7*[H+]-5.01*10-7 *0,10=0

Solve the quadratic equation: [H+]=2*10-4

pH=3.7

What is law of mass conservation?

The law of conservation of mass, also known as the principle of mass conservation, in physics and chemistry states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time because the mass of the system cannot change and therefore quantity cannot be added to or subtracted.

Therefore,

Find hydrogen ion concentration of the original solution using the law of mass conservation after some further algebraic manipulation:

[H+]2+Ka[H+]-KaCa=0 (Ka - weak acid dissociation constant, Ca – weak acid concentration)

Ka=10-6.3=5.01*10-7

Set up the quadratic equation: [H+]2+5.01*10-7*[H+]-5.01*10-7 *0,10=0

Solve the quadratic equation: [H+]=2*10-4

pH=3.7

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An example of a physical change is the Making of icecream .

What is a physical change?

A  physical change is a type of change in which the form of matter is altered but one substance is not transformed into another.  the dimensions or shape of matter may be changed, but no reaction occurs.

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The w/w % of an aqueous solution of ammonia is 27.01%.

w/w % or "weight by weight" is the proportion of a particular substance within a mixture, measured by weight or mass.

c(NH₃) = 14.3 M; concentration of ammonia solution

d(NH₃) = 0.900 g/mL; density of ammonia solution

V(NH₃) = 100 mL = 0.1 L; chosen volume of ammonia solution

M(NH₃) = 17 g/mol; molar mass of ammonia

ms(NH₃) = d(NH₃) × V(NH₃)

ms(NH₃) = 0.900 g/mL × 100 mL

ms(NH₃) = 90 g; mass of ammonia solution

m(NH₃) = c(NH₃) × V(NH₃) × M(NH₃)

m(NH₃) = 14.3 M × 0.1 L × 17 g/mol

m(NH₃) = 23.31 g; mass of pure ammonia (solute)

w/w % = m(solute) / m(solution) × 100%; formula to calculate w/w %

w/w % = 23.31 g / 90 g × 100%

w/w % = 27.01%

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Chiswick house was designed by Richard Boyle, better known as Lord Burlington to reflect the style of the ancient Greeks and Romans.

In the Chiswick neighborhood of London, England, stands Chiswick House, a Neo-Palladian villa. The home, a "glorious" example of Neo-Palladian construction in west London, was planned and constructed in 1729 by Richard Boyle, 3rd Earl of Burlington (1694-1753). 26.33 hectares are taken up by the house and garden (65.1 acres). One of the first examples of an English landscape garden, the garden was primarily designed by architect and landscape designer William Kent.

The Cavendish family rented out the property as it fell into disrepair in the 19th century. Starting in 1892, it served as the Chiswick Asylum, a psychiatric hospital.

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The container contains 8.96 × 10⁶ C negative electric charges in the electrons of all the lithium atoms.

We have 3 moles of electrons (e⁻) in 1 mol of Li, so the quantity of negative electric charge is:

hence

negative electric charges =  3 × 31 × 6.022 × 10²³ × 1.60 × 10⁻¹⁹

negative electric charges = 8.96 × 10⁶ C

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The process which does not saturate air with water vapor is increasing the carbon dioxide content of air.

What is saturation of air?

The term "saturated air" refers to an air volume that can store the most water vapor at a particular temperature. The air's water-vapor content as compared to its saturation level is known as relative humidity.

It is said that air is saturated when it has a 100% relative humidity, or when it can store as much water vapor as it can for a given temperature. Warm air is used to dry goods because it absorbs moisture and increases the amount of water it can store when saturated air is heated (relative humidity decreases).

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If a cell culture has 3 x 105 cells per ml , and the culture flasks hold 75 ml of culture each and you have 12 flasks, The bond between K⁺ and Cl⁻ ions is an ionic bond.

The main contact that takes place in ionic compounds is called ionic bonding, and it involves the electrostatic attraction between two atoms or ions with dramatically differing electronegativities. Along with covalent and metallic bonds, it is one of the most prevalent types of bonds. Ions are atoms, or collections of atoms, that have an electrical charge. Ions with a negative charge are produced by gaining electrons in atoms (called anions). Ions with a positive charge are created when atoms lose their electrons (called cations).

Electrovalence, as opposed to covalence, is the name for this transfer of electrons. The cation is a metal atom in the most straightforward scenario, while the anion is a nonmetal atom, however these ions can have more complex chemical compositions.

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The ph must be close to neutral for phospholipids to spontaneously form bilayers in an aquatic environment.

What is phospholipid bilayer?

Important elements of cell membranes are phospholipid bilayers. A barrier preventing molecules and ions from entering and leaving the cell is the lipid bilayer. The ability to selectively permit the passage of specific molecules into and out of cells, however, is a crucial function of the cell membrane.

A polar membrane that has two layers of lipid molecules makes up the lipid bilayer. All cells are surrounded by these membranes, which are flat sheets.

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Option A) The arrow is pointing towards the Hydrogen ion in the solution of the different molecules.

When a hydrogen atom acquires or loses an electron, a hydrogen ion is produced.

The only time a positively charged hydrogen ion (or proton) is observed alone is when it is in a gaseous condition in a place that is almost particle-free.

One water molecule has two sides, one of which is partially negative and the other partially positive.

Because the oxygen atom is more electronegative than the hydrogen atoms, one side of a water molecule is partially negative (the oxygen side), and the other side is partially positive (the hydrogen side).

An atom’s attraction to shared electrons in bonds is referred to as electronegativity.

Cohesion, the water Becomes Sticky Due to Hydrogen Bonds. Hydrogen bonds form between nearby hydrogen and oxygen atoms of adjacent water molecules in the case of water.

A bond called a hydrogen bond is produced by the attraction between individual water molecules.

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Correct question

What is the arrow pointing to?

The figure shows a solution of different molecules. Some of them consist of two small atoms attached to a bigger one. Some are negatively charged, and consist of one big atom attached to the small one. There are also small positively charged atoms, which are pointed by an arrow.

A) Hydrogen ion

B) Hydronium ion

C) Electron

D) Hydroxide ion

E) Water molecule

From concentrated (18 M) sulfuric acid [H2SO4]

To prepare the solution, we dilute 33 mL of 18 M sulfuric acid to 1.00 L.

Molarity (M) = moles solute / Liter solution  

Mass%  = mass solute / mass solution×100

We can calculate the amount of 18 M sulfuric acid that needs to be diluted to 1.000 L from a concentrated solution using the dilution method. When determining the volume of 18 M sulfuric acid required, we arrive at

      V1C1 = V2C2

      V1 = (0.60M H2SO4) (1L) / (18M H2SO4)

      V1 = 0.033L = 33mL

To prepare the solution, we dilute 33 mL of 18 M sulfuric acid to 1.00 L.

A substance's molarity (M) is the volume of solution in which it is present. The amount of a solute in moles per liter of a solution is known as molarity. A solution's molar concentration is another name for molarity.

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Through an unprecedented coupling of aryl iodides and methyl ketones in the presence of silver triflate, these complexes with distinctive catalytic activity enable the quick synthesis of 1,3-disubstituted naphthalenes.

What is the process of naphthalene synthesis?

A methyl ketone is first arylated on a Pd catalyst, and then it is cyclized with a second equivalent of a ketone to complete the transition. This ketone arylation process is significant since it takes place in oxidizing circumstances, which points to the use of dimeric Pd catalysts with greater oxidation states.

The mechanism involving Pd(III) bimetallic catalysis at a high oxidation state on the basis of measurements and DFT calculations. We confirm the significance of the palladium catalyst for both arylation and cyclization for naphthalene production because these new bimetallic complexes exhibit reactivity that is not seen with monometallic Pd catalysts.

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Answer:

Create a solution of chloride water and add a colouless solution of potassium iodide... The mixture will turn red-brown because iodine has been displaced proving that it is less reactive than chlorine

Cl2 (aq) + 2KI (aq) --> 2KCl (aq) + I2 (aq)

The solution is based on limiting reagent.

Step 1:

The balanced equation is

[tex]2H_{2} (g)+O_{2} (g)[/tex]→[tex]2H_{2} O(l)[/tex]

Here, we are calculating the moles of [tex]2H_{2} O(l)[/tex] from the moles of [tex]H_{2}[/tex] if we consider[tex]O_{2}[/tex] is limiting reagent:

Given that, The mass of [tex]H_{2}[/tex] =0.0333g

We know that,

The moles of [tex]H_{2} =(0.0333g H_{2} )[/tex]×[tex]\frac{1.0 molH_{2} }{2.016 gH_{2} }[/tex][tex]=0.0165 mol H_{2}[/tex]

Moles of [tex]H_{2} O(l) from H_{2} =(0.0165 mol H_{2} )[/tex]×[tex]\frac{2.0 mol of H_{2} O(l)}{2.0 mol H_{2} }[/tex]

                                      =0.0165 mol [tex]H_{2} O[/tex].

Thus, 0.0165 mol[tex]H_{2} O(l)[/tex] is formed from 0.0333 g of hydrogen if we consider[tex]O_{2}[/tex] is limiting reagent.

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The polycyclic aromatic hydrocarbon (pah), anthracene, has a molar concentration of 2.643 x 10-8.

What is molar concentration?

The phrase "molar concentration" (also known as "molarity," "amount concentration," or "substance concentration") refers to the amount of a substance per unit volume of solution and is used to describe a chemical species' (more particularly, a solute's) concentration in a solution.

The number of moles per liter, represented by the unit sign mol/L or mol/dm3 in SI units, is the most common way to measure molarity in chemistry. One mol/L of a solution's concentration is referred to as one molar, or one M.

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1.811 g of NaCl we need to use to make the solution.To make the solution we need to calculate the amount of NaCl to dissolve to make solution.

The analysis of the mass need to use to make the solution is shown below:

We understand that molarity is

Molarity = no. of moles/ Volume

So,

No. of moles = Molarity x Volume

= 0.031 moles

Now

mass = Moles x Molecular weight

where,

The Molecular weight of NaCl is 58.44 g per mole

And, the moles are 0.031 moles

So, the mass of NaCl is

= 1.811 g

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Answer: Lithium has the least mass.

Explanation: Period 2 of the Periodic Table includes the following elements:

• Carbon

• Nitrogen

• boron

• Lithium

• beryllium

• Neon

• oxygen

• fluorine

Clarification

Out of these elements, lithium has the least mass, which is 6.941 units. The element with the most mass on the other hand is neon, which has a mass of approximately 20.1797 units.

Final answer: The element in Period 2 of the Periodic Table with the least mass is lithium.

The percent relative abundance of Cu-63 is 69.15% and Cu-65 is 30.85%.

The atomic mass is the average mass of an element.

m(Cu) = 63.546 g; the average mass of copper

m(⁶³Cu) = 62.9296 g; average mass of copper-63 (Cu-63) isotope

m(⁶⁵Cu) = 64.9278 g; average mass of copper-65 (Cu-65) isotope

ω(⁶³Cu) = ?; average abundance of isotopes Cu-63

ω(⁶⁵Cu) = 1 - ω(⁶³Cu);  average abundance of isotopes Cu-65

Ar(Cu) = ω(⁶³Cu) × m(⁶³Cu) + ω(⁶⁵Cu) × m(⁶⁵Cu)

63.546 g = ω(⁶³Cu) × 62.9296 g + (1 - ω(⁶³Cu)) × 64.9278 g

63.546 = 62.9296 × ω(⁶³Cu) + 64.9278 - 64.9278 × ω(⁶³Cu)

1.9982ω(⁶³Cu) = 1.3818

ω(⁶³Cu) = 1.4738 ÷ 1.9982

ω(⁶³Cu) = 0.6915 × 100%

ω(⁶³Cu) = 69.15%

ω(⁶⁵Cu) = 100% - 69.15%

ω(⁶⁵Cu) = 30.85%

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Answer:

Answer: What two variables affect the kinetic energy of an object? Speed and Mass. ... The kinetic energy will do nothing but keep the same

Explanation:

The state of the substance is likely a gas.

Matter, which refers to any substance that has mass and occupies space, is made up of three states as follows:

A gas is a state of matter intermediate between liquid and plasma that can be contained only if it is fully surrounded by a solid. It has no definite shape and only conforms to the volume of its container.

According to this question, a substance fills the cube and has a volume of 50-mL and 10-mL respectively when placed in containers of such volumes.

This suggests that the substance being referred to is a gas.

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The functional groups in daumone;

- alcohol

- ether

- carboxylic acid

A functional group is an atom, group of atoms or bond that is responsible for the chemical reactivity of the members of a homologous series. The homologous series refers to a family of compounds that have similar reactivity.

We know that organic molecule are almost always known to contain carbon. The functional groups in the molecule could help us to know the kind of reactions that could occur in the molecule since the reactions could only occur at the functional groups in the molecule as shown.

Let us now consider the compound daumone which has been found to be responsible for the hibernation of worms. The functional groups in the molecule are;

- alcohol

- ether

- carboxylic acid

These are the known functional groups that we can see in the molecule as shown above in the question.

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According to boyle's law

PV = constant

According to kinetic molecular theory of gases Boyle's law :

When molecules collide they create pressure. When the molecules are closer together they collide more frequently. Hence more volume less collisions less pressure.

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If a sodium hydroxide solution were added to a solution containing lead(ii) ions, sodium ions, nickel(ii) ions, and potassium ions then the  ion which  would remain in the supernatant are potassium ions and sodium ions

Supernatant means clear liquid overlying material deposited by settling, precipitation and centrifugation called as supernatant. so here in the solution of sodium hydroxide means in naoh solution added lead(ii) ions, sodium ions, nickel(ii) ions, and potassium ions in that solution potassium ions and sodium ions are deposited by settling down and making precipitation that's why in this solution of naoh potassium ions and sodium ions are remain in the supernatant.

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A plot of 1/[a] versus time produces a line with a positive slope for the reaction a → b+ c. The reaction may be a second order reaction.

The strength of the rate's dependency on the reactant concentration determines the reaction's order. As a result, the speed of a first-order reaction will undoubtedly depend on the concentration of a single species, a second-order reaction will undoubtedly depend upon the concentration of two species, and so on.

rate = k{[A]^x + [B]^y}

Thus, for the given reaction, order is 2, that's a plot of 1/[a] vs time producing a straight line with positive slope shows second order kinetics.

Determine the reaction order and therefore the rate constant. If a plot of reactant concentration versus time isn't linear, but a plot of 1/reaction concentration versus time is linear, then the reaction is second order

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Answer:

-evidence that some kinds of matter are made up of waves instead of particles

-observations that cannot be explained by the theory

Explanation:

Both of these are right.

The mass expression for the system is K= (aH₂)² × aO₂ / (aH₂O)² = 5.31× 10⁻¹⁰.

we may derive mass action expression out from equation above,

K= (aH₂)² × aO₂ / (aH₂O)² = 5.31× 10⁻¹⁰.

An equation that compares the product activities increased towards the power of its coefficients to the reactant activity increased to the power of its coefficients is known as the mass action expression.

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