According to the infrographic, what happens to carbon after trees respire?

A. It cleans the soil of fungi.


B. It is stored in the roots and branches


C. It is released into the atmosphere.


D. It is turned to sugar and minerals.

The amount of CO that would be required to generate 635 g of CO₂ will be 404.14 g.

To balance the amount of each element on the reactant and product sides of the equation, the stoichiometric coefficient is the number placed in front of the atoms, ions, and molecules in a chemical process.

Usually, it is positive for products and negative for reactants. Stoichiometric coefficients define the stoichiometry of a chemical reaction.

First, let us get the equation of the reaction:

The reaction becomes: Fe₂O₃ + 3CO → 2Fe + 3CO₂

From the equation, we can see that the mole ratio of CO to that of CO₂

= 3:3

= 1:1

Given that,

635 g of CO₂ is to be generated.

Mole of 635 g CO₂ = mass/molar mass = 635/44.01 = 14.43 moles

Thus, the equivalent mole of CO required will also be 14.43 moles.

Mass of 14.43 moles of CO = moles x molar mass

                                             = 14.43 x 28.01

                                             = 404.14 gm.

Hence, 404.14 gm of CO will be required to produce 635 g of CO₂.

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a. The chemical reaction can be rewritten as a word equation as follows:

Hydrogen Peroxide -> Oxygen + Water

b. Evidence that a chemical reaction has occurred includes the production of a new substance (oxygen and water), a change in the physical properties of the reactants (change in color, odor, or temperature), and the release of energy (evolution of oxygen gas).

c. The reaction is likely exothermic, which means it releases energy. This is because the reaction produces new substances (oxygen and water) and releases energy in the form of oxygen gas. In an endothermic reaction, the reactants would absorb energy from the surroundings.

Density is an intensive property as it does not depend on the quantity of the substances Whereas mass and volume are extensive property. Therefore, Metal A is lesser denser than metal B.

Density tells about the compactness of the substances, how much dense is the substances in other words. Object that is more denser than water they just sink in the water.

Mathematically,

Density = Mass of the metal ball ÷volume marked on the graduated cylinder

Since mass of metal a and metal B is same, so now density depend on volume. Volume of metal A is higher than metal B. From formula we can see density is inversely proportional to volume. So, Metal A is lesser denser than metal B.

Therefore, Metal A is lesser denser than metal B.

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Calcium hydroxide reacts with carbon dioxide gives water and calcium carbonate. The balanced equation for the reaction is written as:

[tex]\rm Ca(OH)_{2} + CO_{2} \rightarrow CaCO_{3} + H_{2}O[/tex]

Calcium carbonate is commonly called limestone. Limestone is mineral deposit found in many living and nonliving things. Rocks and shells of some organisms are major sources of calcium carbonate.

Calcium carbonate can be prepared by passing carbon dioxide through quicklime or calcium oxide CaO. Calcium carbonate will precipitate in a milky solution.

Limestone can also be prepared by the reaction of calcium hydroxide or soda lime with carbon dioxide. Each reacts in one mole and gives one mole of each product as written in the balanced reaction.

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

Calcium hydroxide solution and carbon dioxide gas yields solid calcium carbonate and liquid water. Write the balanced equation for this reaction.

The reagent is the substance in the chemical reaction used to identify and  measure the other substance if it is present.

The reagent is used to perform the laboratory test. The reagent are used in the chemical reaction to identify the other substance if the another substance is present . A reagent is a compound or the mixture that is added to the system  and to start the chemical reaction.

Reagent are very commonly used in the laboratories for the tests. the examples is : to convert the alcohol to aldehyde and ketones , the reagent is used is the Collins reagent.

The given question is incomplete, I answer the question  general answer according to my knowledge.

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In 84 days, the amount of chromium-51 in this sample will decrease from 35 grams to 10 grams.

Nuclear energy is the name given to the energy that can be found in the nucleus, or core, of an atom. Atoms are the smallest units that make up the universe, and energy holds the nucleus of each atom together.

The largest nuclear electricity generator in 2021 will be the United States, which will generate 771,638 GWh of nuclear energy, followed by China, which will generate 383,205 GWh. As of August 2022, 438 reactors with a net power of 393,333 MWe and 56 reactors with a combined total of 57,848 MWe were in operation.

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A titration curve is a plot of titrant volume on the x-axis and pH on the y-axis.

What is a titration curve?

Titration is often plotted on a graph called a titration curve. This graph usually contains the titrant volume as the independent variable and the pH of the solution as the dependent variable. The equivalence point on the graph is where all the starting solution has been neutralized by the titrant.

What is a titrant volume?

Reagents, called titrants or titrators, are prepared as standard solutions. A titrant of known concentration and volume reacts with the analyte solution or titrant to determine the concentration. The amount of titrant converted is called titer.

Therefore, A titration curve is a plot of titrant volume on the x-axis and pH on the y-axis.

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Answer:

N2 + 3H2 => 2NH3

Explanation:

N2 + 3H2 => 2NH3

N = 2

H = 6

It's NH3, not NH2

The justification provides the "why" and "how" the evidence substantiates the assertion.

Justification is defined as the act, procedure, or declaration that makes sinners righteous in God's eyes. The term "research justification" refers to the justification for conducting the research, which includes a description of the research's design and methodology.

Your students may offer the following justification: Matter is air (claim). When we added more air to the ball, we discovered that the weight of the ball rose (evidence). This demonstrates that weight, a property of matter, exists in air (reasoning).

Thus, the justification provides the "why" and "how" the evidence substantiates the assertion.

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In order to completely neutralize 0.900 g liquid oxalic acid, h2c2o4, using 0.500 m lithium hydroxide, 40.00 ml of lithium hydroxide are needed.

When manufacturing lithium salts (soaps) of oleic and other fatty acids, lithium hydroxide (LiOH), which is frequently produced by the reaction of lithium carbonate and lime, is utilized. These soaps are commonly used as thickeners for lubricating greases.

ICC times the supply voltage equals static power dissipation. In CMOS logic, the current that occurs as the input switches between High and Low is known as the dynamic supply current. This current circulates when capacitance is being charged and discharged.

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The amount of joules required to change 25.02g of liquid Ethanol is 3838.2 J or 3.83kJ.

Given,

mass of the ethanol (m) = 25.02g

heat capacity of the ethanol (c) = 2.46

Conversion of Kelvin to Celsius:

C = K - 273.15

C1 = 289.14 - 273.15 => 15.99 C

C2 = 351.5 - 273.15 => 78.35 C

Formula:

H = mcdT                

temperature change (dT) = C2 -C1 => 78.35 - 15.99 => 62.36 C

Substituting the values,

H = 25.02 * 2.46 * 32.36

H = 3838.2 J or 3.83kJ

Therefore, the amount of joules required to change 25.02g of liquid Ethanol is 3838.2 J or 3.83kJ.

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It is not the concentration of Caco₃ reactant present that determines the rate of the calcination reaction.

                       Cacao₃ (s) ←→ CaO(s) + CO 2 (g)

Calcium Carbonate:

Calcium carbonate is a compound with the chemical formula CaCO3. It is a common substance found in rocks such as calcite and aragonite (primarily limestone, a type of sedimentary rock composed primarily of calcite) and is a major component of eggshells, snail shells, seashells and pearls. A substance containing a lot of calcium carbonate or a substance similar to calcium carbonate is called calcareous. Calcium carbonate is the active ingredient in agricultural lime and is formed when calcium ions in hard water react with carbonate ions to form scale deposits.

Now,

Since the CO₂ produced in this reaction must escape from the interior of the Caco₃ particles, the decrease at any temperature of the reaction speed is determined. This is determined by the size of the solid calcium carbonate particles and the partial pressure of CO₂ surrounding the particles.

Grinding Cacao₃ into a fine powder greatly reduces the average distance that a CO₂ molecule must travel to escape each particle, thus accelerating the reaction rate.

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The one having lowest vapour pressure at `25^C` is a : The vapour pressure of water is least because of strong intermolecular H-bonding in water molecules.

The pressure by a vapour when it is in equilibrium with a substance's liquid, solid, or both forms—i.e., when the conditions permit the substance to exist in both of these phases or in all three—is known as vapour pressure. The measurement of a substance's propensity to change into a gaseous or vapour state, vapour pressure increases with temperature. The temperature at which the pressure equals the vapour pressure existing at the liquid's surface is known as the boiling point of a liquid. When conditions allow for the creation of vapour inside a liquid, the  process is referred to as boiling. It follows that the more molecules that evaporate at a given temperature, the higher the vapor pressure that results.

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Answer:

5 x 6.022 x 10²³ atoms

Explanation:

There are 5 different atoms that make up a CaCO3 molecule, and since one mole of something is 6.022 x 10²³, there are 5 times that amount of atoms.

The pink substance different from the green substance because the pink solution is thought to have a lesser intermolecular force than the green solution, which causes molecules to disperse as a result.

Consider the attraction between the molecules of the pink substance to be weaker than that of the molecules of the green substance. Each of its molecules separates from the others. It's important to take into account the following data:

In comparison to the green substance, the attraction between the molecules in the pink substance is thought to be less. It moves apart from one another and changes from liquid to gas.

So, we can say that the pink solution is thought to have a less intermolecular force than the green solution, which leads to the dispersion of molecules.

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Recall that we can utilize the equation q=nHfusion, where q will equal the reaction's total quantity of energy! Additionally, you might have the typical molar enthalpy of reaction Ex. ΔHofusion, the o represents that this  standard value at a SATP (P=100kPa, T=25oC).

The following definition of enthalpy H = E + PV. The internal energy and pressure multiplied by the volume make up enthalpy. The enthalpy of a system cannot be measured, although enthalpy variations can be observed.

Enthalpy, denoted by the symbol H, is the sum of the internal energy, denoted by E, and the product of the pressure and volume, denoted by PV.

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If the volume is decreased to 2.6 L and pressure is decreased to 3.2 atm, then temperature become 156.98K.

This problem can be solved by using the concept of Ideal gas equation.

The equation of ideal gas can be expressed as

PV = nRT

where,

P is the pressure of the gas

V is the volume taken

n is the number of moles of the gas

R is the gas constant = 6.314 J/ mol K

T is the temperature

Now from given data, we have the values of

V = 3.2 L

P = 5.5 atm

T = 53°C = 273 + 53 = 326 K

By substituting all the values, we get the value of n

3.2 × 5.5 = n × 6.314 × 326

17.6 = n × 2058.36

n = 17.6 / 2058.36

n = 0.0085 mol

Now, we have to find the temperature

n = 0.0085 mol

V = 2.6 L

P = 3.2 atm

By substituting all the values, we get

3.2 × 2.6 = 0.0085 × 6.314 × T

8.32 = 0.053 T

T = 8.32/ 0.053

T = 156.98 K

Thus, we concluded that if the volume is decreased to 2.6 L and pressure is decreased to 3.2 atm, then temperature become 156.98K.

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The functional group Ketone is expected to be produced when cyclodecyne is reacted with disiamylborane, followed by treatment of basic hydrogen peroxide.

The molecular formula of cyclodecyne is C₁₀H₁₆ and the molecular formula of disiamylborane is C₁₀H₂₃B.

Cyclodecyne is an alkyne and the reaction  between cyclodecyne and disiamylborane is a reaction of hydroboration of alkynes.

Hydroboration is the process which involves the addition of a H-B bond between a C-C double or triple bond.

At first, in the reaction between cyclodecyne and disiamylborane, enol is formed as the product.  On further treating it with basic hydrogen peroxide (H₂O₂) , enol gets converted into ketone.

Thus, ketone is the functional group produced in this reaction.

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Answer:

Word equation: Ethane + Dioxygen = Carbon Dioxide + Water

Explanation:

Brainliest, Please!

When one substance melts, we just seperate the molecules. Because the temperature required to change from solid to liquid is less than the temperature needed to change from liquid to gas.

The melting point of a substance or compound is defined as the temperature at which it changes from solid state to liquid state. At the melting point, the solid and liquid state exist in the equilibrium stage. The melting point of the substance always depends on pressure.

The boiling point of a substance or compound is defined as the temperature at which it changes from liquid state to gaseous state. At the boiling point, the gas and liquid state exist in the equilibrium stage. The boiling point of the substance always depends on pressure.

As we know that,

Thus, we concluded that when one substance melts, we just seprate the molecules. Because the temperature required to change from solid to liquid is less than the temperature needed to change from liquid to gas.

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The final temperature in the given situation is 87.015C. Using the heat capacity relation (Q=m* c*delta T).The copper tube expands by 1.7 × 10–5 of its length for every 1.8 degrees Fahrenheit.

Step 1: Given data-

1. Mass of copper m = 50g= 0.05kg

2. Heat energy added Q = 1200 J

3. Specific heat of copper Scopper 4. The initial temp. is 25°C -387 J kg °C 1

Step 2: Find the rise in temperature using heat capacity relation- Let, final temperature be T. Then using heat capacity relation we can,

Q= m*c* delta T

On substituting values we get,

12000.05 x 387 x (T-25)

T= 87.015°C

Hence, the final temperature in the given situation is 87.015°C.

Copper melts at 1083°C. It has absolutely nothing to do with Minimum and Maximum temperature for a copper wire to work as a conductor. Both are determined by insulation and jacket materials. Insulation breaks down, if ambient temperature goes < 100°C.

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It is true that monosynaptic reflexes only involve one synapse while polysynaptic reflexes include several synapses.

Monosynaptic reflexes:

The biceps, triceps, and patellar stretch reflexes are examples of monosynaptic reflexes. Conversely, polysynaptic reflexes are mediated by one interneuron and at least two synapses.

Polysynaptic reflexes:

Polysynaptic reflexes are a specific type of reflex that involve several synapses. In the reflex arc, they also involve one or more interneurons. As a result, afferent and efferent neuron communication is often diffuse. Interneurons between sensory and motor neurons are present in polysynaptic reflex.

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Sodium hydroxide to a cylinder of aluminum nitrate to precipitate the aluminum hydroxide. Add more base to dissolve the precipitate.

The reaction can then be reversed by adding hydrochloric acid. Sodium hydroxide replaces copper forming copper hydroxide. Instead of dissolving the compound precipitates and appears as a light blue solid in the liquid. At this point, the solution becomes colorless and solid copper hydroxide settles to the bottom.

All ions dissolve in each other and do not react with each other. So the short answer to this question is nothing. When NaOH and KCl react KOH and NaCl are formed. Such reactions are called double displacement reactions. Silver ions come out of the solution as a brown precipitate of silver oxide in the presence of hydroxide ions.

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The kinetic energy of the cart of mass 225 kg is 450 J.

Kinetic energy is the energy of a body in motion.

To calculate the kinetic energy of the cart, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, the kinetic energy of the cart is 450 J.

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Answer:

Sally would not be able to hear the impact of the meteor because sound waves cannot travel through the vacuum of outer space. In order for sound to be heard, it must vibrate through a medium such as air, water, or solid matter. Since there is no air or other medium in outer space, sound waves cannot transfer through it and cannot be heard. Hank, on the other hand, would be able to hear the impact of the meteor because he is inside the space shuttle, which provides a solid medium for the sound waves to vibrate through and be transferred to his ear drums.

The concentration of the new solution if 0.50 M solution of sodium thiosulfate is used to create a more dilute solution is 0.05M.

Molarity refers to the concentration of a substance in solution, expressed as the number moles of solute per litre of solution.

The concentration of a solution can be calculated using the following formula:

CaVa = CbVb

Where;

According to this question, if 250 mL of the concentrated solution is diluted to a volume of 2.5 L, the new concentration can be calculated as follows:

0.250 × 0.5 = 2.5 × Cb

0.125 = 2.5Cb

Cb = 0.05M

Therefore, 0.05M is the new concentration of the solution.

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Answer:

In the explanation below

Explanation:

Fusion

Heat

Friction

127
Radiation

If you connect the words it'll make sense. Use the ways of the Taoists.

3 On the periodic table, column 5 contains nitrogen, denoted by the letter N.Its valence electron count is 5.To obtain an octet, three linkages must be created.The straightforward formula is 5 + 3 = 8.

The second row of the p-block area includes fluorine, oxygen, nitrogen, and carbon.When they combine, these elements closely adhere to the octet rule.In order to complete their octet, for instance, these elements combine with hydrogen to make two to four bonds.

Two nitrogen atoms would have a total of 10 valence electrons if the entire number of valence electrons in nitrogen, which is five, were to be doubled.A triple bond is necessary for the octet since it needs 8 total electrons for an atom to have a full valence shell.

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Answer: length of an earth day

Explanation:

Sedimentary rocks include limestone. When ocean water evaporates, calcium carbonate is left behind, and this is how it forms.

Limestone is one of the most common types of chemical rocks. Limestone is created in the ocean by calcium and bicarbonate ions that erode from the remains of shells, coral, crustaceans, and mollusks. Wave action gradually disintegrates these structures into calcite and other calcium carbonate-based minerals, which accumulate in ocean water. As they are carried from the deep ocean environment to shallow places like lagoons and tidal pools, these solutes have the potential to precipitate to create sediments rich in calcium carbonate.  calcium carbonate can precipitate in lagoons to create ooids, which are spherical nodules that stick together to produce oolitic limestone, or limestone.

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