Drag the missing components of the general formula of photosynthesis to their correct locations in the chemical equation. Include the molecule preceded by a number.
24 ____________ + ____________ H₂O ------> ____________ C₆H₁₂ O₆+ ____________ ____________

There are two types of chemical compound one is covalent compound and other is ionic compound, covalent compound formed by sharing of electron and ionic compound formed by complete transfer of electron. Therefore, the correct option is option C.

Chemical Compound is a combination of molecule, Molecule forms by combination of element and element forms by combination of atoms in fixed proportion.

An ionic compound is a metal and nonmetal combined compound.  Ionic compound are very hard. They have high melting and boiling point because of strong ion bond.

Since phosphorus is a nonmetal, we need a metal. Out of given option the only element that is metal is Magnesium while others are non metal.

Therefore, the correct option is option C.

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Answer:

Gravity.

Explanation:

Black holes in the center of most galaxies hold the galaxy together by gravity. Everything is sucked towards the center and kept together.

Answer:

Gravity

Explanation:

The same force that holds you onto the Earth can keep many individual galaxies bound together.

Answer:

C

Explanation:

view the Attached photo i added to see how i got that answer

Answer:

B

Explanation:

When oil from a tin is poured through a funnel placed tightly into the neck of a bottle, the oil stays in the funnel because the air pressure inside the bottle prevents the oil from entering the bottle.

The force that air, whether compressed or unconfined, applies to whatever surface it comes into touch with is known as air pressure.

The air in the bottles exerts a force on the liquid that is to be poured inside it.

Since the air has no way of escaping, the oil cannot be poured into the bottle.

However, if a little space is allowed by the funnel for the air to escape, the liquid can then be poured into the bottle.

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A sample of gas is subject to changes in conditions, effect of each changes are

1. It will increase

2. It will stay the same

3. It will decrease

4. It will decrease

According to the Ideal Gas Law (PV = nRT), the pressure (P), volume (V), temperature (T), and number of moles of gas (n) are all interrelated.

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A hot day in july in utah typically reaches 39 degrees c. Its kelvin will be 312 K.

Scientists adopted the Kelvin temperature scale because they desired a scale where 0 depicts the total lack of thermal energy. The amount of material vibrations needed to produce these thermal excitations decreases as the temperature decreases.

The Celsius scale and the Kelvin scale are comparable. The freezing point of water throughout the Celsius scale is zero degrees. The coldest conceivable temperature, or "absolute zero," has been defined as the zeroth point on the Kelvin scale.

It is given that, T = 39 degree c

and it is known that 1 degree = 273 K

Hence, 39 degrees c = 39 +273 = 312 K.

Therefore, A hot day in july in utah typically reaches 39 degrees c. Its kelvin will be 312 K.

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Answer: 3 oxygen atoms!

Explanation: Let me know if I'm wrong, if not I'm happy to help!

Answer:

The correct options are;

C. Divergent plate boundary

D. Normal faults

Explanation:

Tensile stress tends to pull objects part by acting axially upon the object to pull the object on a cross section perpendicular to the objects cross-section

The most common stress in convergent plate boundaries is compression stress

The most common stress in divergent plate boundaries is tensile stress

In the presence of tensile stress, normal faults results in the raising of mountains due to their enormous forces

Therefore, the features of Earth's crust involving tension are divergent plate boundary and normal faults.

Answer:c and d

Explanation:

Answer:

The atomic number is written on top of the element symbol.

Explanation:

From top to bottom:

-Atomic Number

-Element Symbol

-Name

-Atomic Mass

~

Answer:

lose

Explanation:

its lose because if its positive, assume the electron is a person who has already eaten, theyre full and dont want more, therefore they would want to lose the weight, so its lose.

Answer:

a) Y³⁺ > Eu²⁺ > Fr⁺ > Sr²⁺

b) Sr > Fr > Eu > Y

Explanation:

Y is the least reactive metal because it does not react with any of the other solutions.

Sr is the most reactive metal because it reacts with all of the other solutions.  

Sr + 2Fr⁺ ⟶Sr²⁺ + 2Fr

3Sr + 2Y³⁺ ⟶ 2Sr²⁺ + 2Y

Sr + Eu²⁺ ⟶ Sr²⁺ + Eu

Fr is more reactive than Eu because it reacts with Eu(NO₃)₂.

2Fr + Eu²⁺ ⟶ 2Fr⁺ + Eu

The order of reactivity is

Sr > Fr > Eu > Y

b) Reducing agents

In each of the above reactions. the more reactive metal is acting as a reducing agent — it is donating electrons to the cation of the other metal.

Thus, the order of activity of reducing agents is

Sr > Fr > Eu > Y

a) Oxidizing agents

The metal cations are the oxidizing agents.

The order of reactivity of the oxidizing agents is the reverse order of the reducing agents

Y³⁺ > Eu²⁺ > Fr⁺ > Sr²⁺

c) Standard reduction potential table

See the image below.

The hybridization change that occurs for phosphorus in the reaction PCl3 + Cl2 → PCl5 is sp3 → sp3d.The hybridization change that occurs for phosphorus in the reaction PCl3 + Cl2 → PCl5 is sp3 → sp3d.PCl3 + Cl2 → PCl5The above reaction is a balanced chemical equation.

The phosphorus (P) atom in PCl3 has a hybridization of sp3, whereas the Cl2 molecule has a hybridization of sp2. During the formation of PCl5, there is a hybridization change in the phosphorus atom from sp3 to sp3d.A change in the hybridization of an atom occurs when it is involved in a chemical reaction. The changes in hybridization occur due to the difference in electronegativity of the atoms in the reactants or due to the bond formation.

For instance, in the reaction PCl3 + Cl2 → PCl5, the reaction occurs due to the formation of a covalent bond between the P atom in PCl3 and Cl atom in Cl2. This causes the electrons in the 3p subshell of the P atom to undergo excitation, resulting in the hybridization change from sp3 to sp3d.Hence, the correct answer is sp3 → sp3d.

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Answer:

6cm

Explanation:

The volume of the block of wood of 360 grams has been 60 ml or 60 \(\rm cm^3\).

The density of an object can be defined as the mass of an object per unit volume. Density plays a pivotal role in the object sinks or floats into a liquid.

If the density of an object is lighter than the density of the liquid, the object will float onto the liquid. If the density of an object is more than the density of the liquid, the object will sink in the liquid.

Density  can be given by:

Density = \(\rm \dfrac{mass}{volume}\)

Mass of the object = 360 grams

Density = 60 g/\(\rm cm^3\)

Volume = \(\rm \dfrac{mass}{density}\)

Volume = \(\rm \dfrac{360}{60}\)

Volume = 60 \(\rm cm^3\) .

1 \(\rm cm^3\) = 1 ml

Volume = 60 ml.

The volume of the block of wood of 360 grams has been 60 ml or 60 \(\rm cm^3\).

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Answer: The bus traveling 200km in 6 hours is traveling the fastest.

Explanation:

Bus 1

150km/5hrs

Simplify -> 30km/hr

Bus 2

200km/6hrs

Simplify -> About 33.333km/hr

The concentration of H3O+ at equilibrium depends on the equilibrium constant of the reaction, which is not given.

To calculate the concentration of H3O+ at equilibrium, we need to know the equilibrium constant (Keq) of the reaction between HClO2 and water.

The balanced equation for the reaction is:

HClO2 + H2O ⇌ H3O+ + ClO2-

Assuming that the reaction is in a dilute aqueous solution at standard temperature and pressure, the equilibrium constant expression is:

Keq = [H3O+][ClO2-]/[HClO2][H2O]

Without knowing the value of Keq, we cannot calculate the concentration of H3O+ at equilibrium.

However, we do know that HClO2 is a weak acid and will only partially ionize in water, so the concentration of H3O+ at equilibrium will be less than the initial concentration of HClO2.

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The concentration of H3O+ at equilibrium is 1.60×10^-2 M.

To calculate the  concentration of H3O+ at equilibrium, we need to use the equilibrium constant expression for the reaction: HClO2(aq) + H2O(l) ⇌ H3O+(aq) + ClO2-(aq). The equilibrium constant for this reaction is given by the expression: K = [H3O+][ClO2-]/[HClO2]. The initial concentration of HClO2 is given as 1.51×10^-2 M. Assuming that the change in concentration of H3O+ and ClO2- is "x" at equilibrium, the concentration of H3O+ at equilibrium can be calculated as [H3O+] = [ClO2-] = x and [HClO2] = 1.51×10^-2 - x. Substituting these values in the equilibrium constant expression and solving for "x" gives us the concentration of H3O+ at equilibrium as 1.60×10^-2 M.

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Answer:

Explanation:

Dang which subject is this history or science

The kilograms of matter that would have to be converted into energy to produce 24. 0 megajoules of energy is

M=2.67*10^(-10)kg. This is further explained below.

Generally, Energy is simply defined as the physically and mentally stamina necessary for prolonged physical or mental action.

inconclusion, Einstein equation of relativity

E=MC^2

Therefore

M=e/c^2

M=24*10^6/3*10^8

M=2.67*10^(-10)kg

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It is combination reaction.

What is combination reaction?

Two reactants undergo chemical reactions to produce a single product in combination reactions. Combination reactions are prevalent in many natural oxidation processes.

Complete solution, step by step:

Two reactants combine to create one product in a reaction known as a combination reaction.

A and B are the reactants, and C is the end result of the chemical reaction, therefore A+BC.

Combination reactions are prevalent in many natural oxidation processes. Likewise, examples of combination reactions are those in which the reactants include metals and halogens. Halogens or oxygen can provide suitable anions, while metals can create suitable cations. As a result, it is also frequently seen that combination reactions are ionic reactions. The rust we observe on iron objects is primarily an oxidation reaction as well as the previously described combination reaction.

It goes like this:

4Fe+3O22Fe2O3.

Rust, which is nothing more than ferrous oxide, is created by a balanced chemical reaction. Another reaction is the H2+Cl22HCl reaction between the highly reactive halogen chlorine and hydrogen. Hydrogen chlorine, a common acid in many chemical reactions, is the only result of this reaction.

These reactions can occur between various metals and reactive non-metals, such halogens, for example. Other instances of covalent bonding include the synthesis of sulphur dioxide from the reaction of sulphur and oxygen.

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Explanation

Given:

ΔG° = 13.8 kJ/mol = (13.8 x 1000) J/mol = 13800 J/mol

Temperature, T = 25.0°C. = 25.0°C + 273 = 298.0 K

What to find:

the value of the equilibrium constant, K for the reaction at 25.0°C.

Step-by-step solution:

Both K and ΔG° can be used to predict the ratio of products to reactants at equilibrium for a given reaction.

ΔG° is related to K by the equation ΔG°= −RTlnK.

R is the molar gas constant, ( R = 8.3144598 J/K/mol)

If ΔG° < 0, then K > 1, and products are favored over reactants at equilibrium.

The next step is to substitute the values of ΔG° and T into the equation to get K.

ΔG°= −RTlnK

13800 J/mol = -(8.3144598 J/K/mol x 298 K x lnK)

13800 J/mol = -(2477.70902 J/mol x lnK)

Divide both sides by 2477.70902 J/mol

The reactions that constitute oxidation reaction are, CH3CH2OH --> CH3CHO, CH3CHO --> CH3COOH, CH3CH2CH2OH --> CH3COCH3.

An oxidation reaction is a chemical reaction in which an atom or molecule loses one or more electrons. In the case of alcohols, oxidation typically involves the loss of hydrogen atoms and the addition of oxygen atoms to form a carbonyl-containing functional group.

The reactions that constitute an oxidation reaction are the ones that involve the loss of hydrogen atoms and the addition of oxygen atoms. In the examples given, the following reactions are oxidation reactions:

1) CH3CH2OH --> CH3CHO (oxidation of a primary alcohol to an aldehyde)

2) CH3CHO --> CH3COOH (oxidation of an aldehyde to a carboxylic acid)

3) CH3CH2CH2OH --> CH3COCH3 (oxidation of a secondary alcohol to a ketone)


The other reactions shown do not involve the loss of hydrogen atoms or the addition of oxygen atoms, and therefore do not constitute oxidation reactions.

Oxidation reagents are chemical compounds that are used to carry out oxidation reactions. Some common oxidation reagents include chromic acid (H2CrO4), potassium permanganate (KMnO4), and sodium hypochlorite (NaClO).

The choice of oxidation reagent and the reaction conditions can be used to control the level of oxidation and the products formed.

For example, using a milder oxidation reagent or lower reaction temperatures can help prevent over-oxidation of the alcohol to a carboxylic acid.

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Answer:

Where is the picture? Can't answer without it.

Answer:

Its either B or D. I personally would go with B

Explanation:

A food web describes a system that is made up of a community of organisms and their environment. Therefore, option B is correct.

A food web is a diagram that shows what is eaten by what in an ecological community and how food chains naturally connect to one another. Consumer-resource system is another term for the food web.

A food web is a comprehensive account of the species that make up a community and their interactions with one another. It demonstrates how energy is moved along food chains that are connected to other food chains.

The study of top-down or bottom-up control of community structure can be done using food webs. The energy exchange between primary producers and primary consumers (herbivores) and between primary consumers and secondary consumers is shown through food webs (carnivores).

Thus, option B is correct.

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S waves can only pass through solids, whereas P waves can pass through liquid, solids, and gases. This data is used by scientists to calculate the composition of the Earth. Seismometers all across the world can measure the S and P waves that come from an earthquake that strikes on one side of the planet, for instance.

When materials suddenly move within the Earth, such when they slip along a fault during an earthquake, seismic waves are produced. Seismic waves can also be produced by volcanic eruptions, explosions, landslides, avalanches, and even swiftly flowing rivers.

Earthquakes typically result from subsurface rock breaking unexpectedly and rapid movement along a fault. The seismic waves that cause the ground to tremble are brought on by this quick release of energy.

S waves can only pass through solids, whereas P waves can pass through liquid, solids, and gases. This data is used by scientists to calculate the composition of the Earth. Seismometers all across the world can measure the S and P waves that come from an earthquake that strikes on one side of the planet, for instance.

There are two different types of waves produced by earthquakes: primary (P) and secondary (S). Based on when they come and how they feel on the surface, they are classified. P waves, also known as primary waves, arrive first, followed by S waves, even comprehended as secondary waves. The ground trembles when an earthquake happens because of both waves.

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Answer:

8.9 g / cm^3

Explanation:

Density = mass / volume

We are given volume which is 10.0cm^3 (cm^3 is just fancy way of saying ml), and mass of 89 gram. Just plug them in respective spots.

Density = 89 / 10.0 = 8.9 g / cm^3

Answer:

8.9

Explanation:

Density = Mass/Volume
  ???     = 89/10
Density = 8.9

Answer:

Chemical change​

Explanation:

Usually when something is left for a while unused and not cared for it begins to have a chemical change and this chemical change shows rust.

Your image is saying "Can't load image on this device."

Answer:

Fe2+ is greater in size as it has lost less electrons than Fe3+ . So, the nuclear pull is more strong on Fe3+ decreasing the atomic size. Thus Fe2+ is greater in size.

Explanation: