what is the pressure at a depth of 5000 m in the ocean?

Considering the definition of complete combustion, the chemical equation for the complete combustion of C₇H₁₆ is:

C₇H₁₆(l) + 11 O₂(g) → 7 CO₂(g) + 8 H₂O(g)

Combustion is a chemical process through which heat is obtained. To achieve this, oxidation reactions are generated that allow the objective to be reached. It is necessary to have several elements:

Complete combustions are those reactions in which the combustible material is completely oxidized (consumed) and other oxygenated compounds are produced, such as carbon dioxide (CO₂) or sulfur dioxide (SO₂), as the case may be, and water (H₂O).

In other words, complete combustion is the result of the complete oxidation of the fuel but not the disappearance of the oxidizer, that is, the oxidation of all the fuel occurs. For this it is necessary that the necessary quantities of oxidizer and dry air intervene. All complete combustion releases, as a product of the reaction, carbon dioxide (CO₂) and water in the vapor state (H₂O).

Considering the definition of complete combustion, you get:

C₇H₁₆(l) + 11 O₂(g) → 7 CO₂(g) + 8 H₂O(g)

Learn more about complete combustion:

brainly.com/question/25485610

brainly.com/question/5015390

#SPJ1

Answer:

Well buddy I'ma just take the points 4

Answer:

Ionic bonds result from the mutual attraction between oppositely charged ions. They tend to be stronger than covalent bonds due to the coulombic attraction between ions of opposite charges.

Explanation:

Answer:

thermal radiation, process by which energy, in the form of electromagnetic radiation, is emitted by a heated surface in all directions and travels directly to its point of absorption at the speed of light; thermal radiation does not require an intervening medium to carry it.

43.8 has 3 significant figures and 1 decimal.

The term significant figures refer to the number of important single digits (0 through 9 inclusive) in the coefficient of an expression in scientific notation.

All zeros that occur between any two non-zero digits are significant. For example, 108.0097 contains seven significant digits. All zeros that are on the right of a decimal point and also to the left of a non-zero digit are never significant. For example, 0.00798 contained three significant digits.

Hence, 43.8 has 3 significant figures and 1 decimal.

Learn more about significant figures here:

https://brainly.com/question/14359464

#SPJ1

Brownian motion is the random movement of particles suspended in a fluid, such as dust particles and tiny grains of soot. This movement is caused by the collision of the particles with molecules in the fluid.

The movement of the particles in Brownian motion is also affected by the size and shape of the particles. Smaller particles experience more frequent collisions with the fluid molecules, which causes them to move more rapidly than larger particles. Similarly, irregularly shaped particles tend to move more erratically than spherical particles of the same size.

The Brownian motion of dust particles and tiny grains of soot has important implications for air quality, as it helps to disperse these particles throughout the atmosphere. However, it can also pose health risks if the particles are toxic or harmful to human health.

In summary, Brownian motion is the random movement of particles suspended in a fluid, caused by the collision of the particles with molecules in the fluid. The movement is affected by the size and shape of the particles, and has important implications for air quality and human health.

Know more about Brownian motion here:

https://brainly.com/question/2604539

#SPJ11

ANSWER

The addition of HCl will shift to reactants

EXPLANATION

When some strong acid is added to a buffer, the equilibrium is shifted to the left, and the hydrogen ion concentration increases by less than expected for the amount of strong acid added. Buffer solution helps in adjusting the pH of a substance.

Since the HCl is a strong acid, it will shift to the left (reactant sides)

260grams

The formula for calculating the moles of NaOH is expressed as

Determine the required mass of NaOH

Hence the grams of sodium hydroxide (NaOH) you need to make 6.5 L of 1.0M solution is 260grams

Based on the principles of fluid mechanics and erosion, the water in the river flows faster on the outside of the bend and slower on the inside.

Meandering rivers are formed due to the lateral erosion of the riverbank, which creates a curvy path for the water to flow. This is caused by the differences in water velocity between the outside and inside bends of the river.

The above difference in velocity causes the water on the outside to exert more erosive force on the bank, leading to more erosion on the outside of the curve. The slower-moving water on the inside, by contrast, tends to deposit sediment, which can result in the formation of sandbars and other features.

Therefore, it is likely that there is more erosion on the outside of the curve in the riverbed as water flows through it.

Read more about erosion  here:

https://brainly.com/question/17905503

#SPJ1

We can see that Trial 1 was more efficient than Trial 2, since it had a higher percentage yield. This suggests that using a smaller amount of oxygen relative to SiCl₄ is more efficient for this reaction

What is Percentage Yield?

It compares the actual yield of a reaction to the theoretical yield that would be obtained if the reaction proceeded perfectly, and expresses the result as a percentage.

To calculate the percentage yield for SiO₂ in Trial 1, we first need to determine the theoretical yield. We can do this by using stoichiometry and the amount of SiCl₄, which is the limiting reactant:

1 mole SiCl₄ reacts with 1 mole O₂ to produce 1 mole SiO₂ and 1 mole Cl₂

The molar mass of SiCl₄ is 169.9 g/mol, so 100 g of SiCl₄ is equivalent to 100/169.9 = 0.588 moles.

Since 32.96 g of O₂ was used, which has a molar mass of 32 g/mol, this is equivalent to 32.96/32 = 1.03 moles of O₂.

Since oxygen is the excess reactant, we can use the amount of SiCl₄ to calculate the theoretical yield of SiO₂:

0.588 moles SiCl₄ × 1 mole SiO₂/1 mole SiCl₄ × 60.1 g SiO₂/1 mole SiO₂ = 35.8 g SiO₂

The actual yield of SiO₂ in Trial 1 was 50 g. Therefore, the percentage yield is:

(50 g SiO₂/35.8 g SiO₂) × 100% = 139.7%

This indicates that the experiment produced more SiO₂ than was theoretically predicted. There are a number of possible reasons for this, such as experimental error or the presence of impurities in the reactants.

To determine the leftover reactant, we can use stoichiometry and the amount of SiCl₄ that was used:

0.588 moles SiCl₄ - 0.5 moles SiO₂ produced = 0.088 moles SiCl₄ remaining

The leftover reactant is equivalent to:

0.088 moles SiCl₄ × 169.9 g SiCl₄/1 mole SiCl₄ = 15 g SiCl₄

Therefore, 15 g of SiCl₄ was leftover in Trial 1.

b. We can use the percentage yield from Trial 2 to determine which ratio of reactants is more efficient. Since the amount of SiCl₄ was kept constant, the change in the yield must be due to the change in the amount of O₂. To compare the efficiency of different ratios, we can calculate the theoretical yield for each trial and compare it to the actual yield:

Trial 1: Theoretical yield of SiO₂ = 35.8 g, actual yield = 50 g, percentage yield = 139.7%

Trial 2: Theoretical yield of SiO₂ = 107.4 g, actual yield = 60 g, percentage yield = 55.8%

From these results, we can see that Trial 1 was more efficient than Trial 2, since it had a higher percentage yield. This suggests that using a smaller amount of oxygen relative to SiCl₄ is more efficient for this reaction.

Learn more about Percentage Yield from given link

https://brainly.com/question/2451706

#SPJ1

When alkaline hydrolysis was first invented, people were hired for various roles related to the process and implementation of this technology. Some of the jobs that emerged include Chemical engineers, Technicians and operators, Waste management specialists, Scientists and researchers.

Chemical engineers: These professionals played a crucial role in developing and optimizing the alkaline hydrolysis process. They were responsible for designing the equipment, developing the necessary chemical reactions, and ensuring the efficient operation of the system.

Technicians and operators: Skilled technicians and operators were hired to operate and maintain the alkaline hydrolysis equipment. They were trained to monitor the process parameters, handle the chemicals involved, and ensure the proper functioning of the system.

Waste management specialists: With the introduction of alkaline hydrolysis as a method for disposal of organic waste, specialized professionals in waste management were employed to oversee the proper handling and treatment of the waste materials. They were responsible for implementing safety protocols, managing waste streams, and complying with environmental regulations.

Scientists and researchers: Alkaline hydrolysis required scientific expertise for continuous improvement and innovation. Scientists and researchers were hired to study the process, analyze the results, and explore potential applications in various fields such as biofuel production and chemical synthesis.

Overall, the introduction of alkaline hydrolysis created employment opportunities for professionals in engineering, chemistry, waste management, and research, among others, as this technology gained recognition and adoption.

To know more about hydrolysis , click here, https://brainly.com/question/31132313

#SPJ11

Answer:

C

Explanation:

Boyle's law states that "the volume of a given mass of gas is inversely proportional to its pressure at constant temperature."

Inverse proportionality means that as one quantity is increasing, the other quantity is decreasing and vice versa.

Hence, as the pressure was increased, the volume decreases accordingly in obedience to Boyle's law.

Answer:

What is TRUE about the missing volume is option C.

C. The volume will decrease due to inverse relationship of V & P

Explanation:

The given parameters of the gas are;

The initial pressure of the gas, P₁ = 2 atm

The initial volume of the gas, V₁ = 1.5 L

The final pressure of the gas, P₂ = 2 atm

Boyle's law states that, at constant temperature, the volume, 'V', of a given mass is inversely proportional to its pressure, 'P';

Mathematically, Boyle's law can be expressed as follows;

P ∝ 1/V

From which we have;

P·V = Constant

∴ P₁·V₁ = P₂·V₂

For the given gas, we get;

2 atm × 1.5 L = 6 atm × V₂

∴ V₂ = 2 atm × 1.5 L/(6 atm) = 0.5 L

Therefore, the volume decreases from 1.5 L to 0.5 L.

The nickname that have given to the warming effect on the global climate based on an overabundance of gases and vapors in the air  is known as the "Greenhouse Effect."

The term is derived from the way a greenhouse works, where sunlight enters through the glass walls and heats up the interior, but the heat is then trapped inside and cannot escape, resulting in higher temperatures.

Similarly, the Earth's atmosphere acts like a greenhouse, allowing sunlight to pass through but trapping the heat that is radiated back from the Earth's surface, leading to a gradual increase in temperature over time.

This effect is caused primarily by human activities such as the burning of fossil fuels, deforestation, and industrial processes, which release large amounts of greenhouse gases such as carbon dioxide, methane, and nitrous oxide into the atmosphere.

To know more about greenhouse effect   click on below link :

https://brainly.com/question/13390232

#SPJ11

The order of increasing basicity is: Aniline < Pyridine < Pyrrole < Ammonia.

To rank the nitrogen-containing aromatic molecules in order of increasing basicity, we need to consider the electron-donating ability of each molecule's nitrogen atom. The more electron-donating the nitrogen atom, the more basic the molecule.

1. Aniline (\(C_6H_5NH_2\)): Aniline is the least basic molecule among the given options. The nitrogen atom in aniline is directly attached to an aromatic ring, which has a partial negative charge. This partial negative charge reduces the electron-donating ability of the nitrogen atom, making it less basic.

2. Pyridine (\(C_5H_5N\)): Pyridine is more basic than aniline. The nitrogen atom in pyridine is also attached to an aromatic ring, but the nitrogen atom in pyridine is less affected by the partial negative charge of the ring. As a result, the nitrogen atom in pyridine can donate electrons more easily, making it more basic than aniline.

3. Pyrrole (\(C_4H_5N\)): Pyrrole is more basic than pyridine. The nitrogen atom in pyrrole is directly involved in a conjugated pi-system, which provides additional electron density to the nitrogen atom. This increased electron density allows the nitrogen atom in pyrrole to donate electrons more readily, making it more basic than pyridine.

4. Ammonia (\(NH_3\)): Ammonia is the most basic molecule among the given options. Unlike the previous three molecules, ammonia is not aromatic. However, it is still a nitrogen-containing compound. The lone pair of electrons on the nitrogen atom in ammonia is not involved in any aromatic or conjugated pi-system, making it highly available for donation. This makes ammonia the most basic among the given molecules.
For more such question on basicity visit:

https://brainly.com/question/172153

#SPJ8

Answer:

\(M=2.06\times 10^6\ g\)

Explanation:

In this problem, we need to find how many grams is 3.89 x 10²⁸ atoms of Sulfur.

It can be calculated using below formula :

\(\text{No of atoms}=\dfrac{\text{Mass}}{\text{Molar Mass}}\times \text{Avagadro's number}\\\\\text{Mass}=\dfrac{\text{No. of atoms}\times \text{Molar mass}}{\text{Avagadro's number}}\\\\\text{Mass}=\dfrac{3.89\times 10^{28}\times 32}{6.022\times 10^{23}}\\\\\text{Mass}=2067087.34\ g\\\\\text{or}\\\\M=2.06\times 10^6\ g\)

So, the mass of Sulfur is \(2.06\times 10^6\ g\).

The condensation reaction refers to a type of chemical reaction where two molecules combine to form a larger molecule, accompanied by the release of a small molecule such as water.


Here is a step-by-step explanation of the Knoevenagel reaction mechanism:
1. Deprotonation: The α-hydrogen atom of the cyanoacetic ester is deprotonated by a base, such as a strong alkoxide base, to form a stabilized carbanion.
2. Nucleophilic attack: The carbanion acts as a nucleophile and attacks the carbonyl carbon of the ketone. This results in the formation of a new carbon-carbon double bond.
3. Elimination of water: The oxygen of the carbonyl group forms a bond with the α-carbon, while the carbonyl oxygen loses a proton. This leads to the elimination of a water molecule as a byproduct.

4. Tautomerization: The intermediate product undergoes tautomerization, converting it into a more stable form.
5. Protonation: Finally, the reaction is quenched by the addition of a proton source, such as an acid, which protonates the oxygen atom of the cyanoacetic ester. Overall, the Knoevenagel reaction allows the formation of a new carbon-carbon double bond while introducing a cyano group (C≡N) into the molecule. This reaction has widespread applications in organic synthesis, as it can be used to produce a variety of compounds, such as unsaturated esters, α,β-unsaturated carbonyl compounds, and more.

To know more about condensation reaction visit:

brainly.com/question/33313948

#SPJ11

Explanation:

Acid-base reaction will give salt and water.

The 2nd option is correct.

The chemical equation Ni(OH)₂ (s) + 2 HCl (aq) → NiCl₂(aq) + 2 H₂O (l) represents what happened in the beaker as acid and base reaction gives salt and water.

Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.

A plus sign is present between reactants and products if they are more than one in any case and an arrow is present pointing towards the product side which indicates the direction of the reaction .There are coefficients present next to the chemical symbols and formulas .

The first chemical equation was put forth by Jean Beguin in 1615.By making use of chemical equations the direction of reaction ,state of reactants and products can be stated. In the chemical equations even the temperature to be maintained and catalyst can be mentioned.

Learn more about chemical equation,here:

https://brainly.com/question/28294176

#SPJ2

Answer:

c

Explanation:

metals are good conductors, while non metals are not good conductors

Rainforests are not generally considered a source of none of the above choices. You can get food from Rainforests, and also spices and medicines. In fact, Rainforests have a variety of plants that have medicinal properties. When you know how to find the right plant in the rainforests, you can access almost everything.

-------------------------------------------------------------------------------------------------------------

Thanks!

Answered by: FieryAnswererGT

#learnwithbrainly

Answer:

D. None of the above

Explanation:

trusttt

Answer:

Warmer oceans affect weather patterns, cause more powerful tropical storms, and can impact many kinds of sea life, such as corals and fish. Warmer oceans are also one of the main causes of rising sea level. Check out the major effects of warmer oceans on people and the environment: Plants, Animals, and Ecosystems; Coastal Areas

Explanation:

The correct answer to the question is that the water of oceans will become less salty.

Thus, we can conclude that the sea water will become less salty and may be used by living beings for various purposes.

Learn more about Global Warming here:

https://brainly.com/question/26402403

#SPJ2

Answer:

9.90

Explanation:

Given [H+] = 1.25 x 10^-10 M, we can calculate the pH using the formula:

pH = -log10([H+])

pH = -log10(1.25 x 10^-10)

Using logarithmic properties:

pH = -log10(1.25) - log10(10^-10)

Since log10(10^-10) is equal to -10:

pH = -log10(1.25) - (-10)

pH = -log10(1.25) + 10

Now, evaluating the logarithm using a calculator:

pH = -0.0969 + 10

pH = 9.9031

Therefore, the pH of the solution with [H+] = 1.25 x 10^-10 M is approximately 9.9031. Rounding it to two decimal places, the pH is approximately 9.90.

The substance is a base

Explanation:

Bases increase the concentration of OH- ions in aqueous solutions.

Answer:

Not sure yet but I will get back

Explanation:

The element in the second period of the periodic table with two 2p electrons is beryllium (Be).

How do I remember electron configurations?

In order to remember electron configurations, consider the following tips:

i.  1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d10 7p6

ii. When writing the configuration, start with the nearest noble gas and proceed onward. This is known as the core notation.

iii. Use the periodic table to determine the outermost electrons' positions.

The row number equals the highest principal quantum number, n, in the configuration, while the group number equals the highest value of the magnetic quantum number, l, in the valence subshell.

iv. The highest number of electrons that can fit into a subshell is given by 2 (2l + 1).

Pauli's exclusion principle states that no two electrons in an atom can have the same set of four quantum numbers. As a result, if two electrons share a subshell, they must have different spin quantum numbers.

To learn more about electron configurations, visit:

https://brainly.com/question/29157546

#SPJ11

Answer: A

jk D

Explanation: because its math

Answer:

proton number for element X is 6

while proton number for element Y is 7

X and Y are in the same row but not the same family on the periodic table cause element X belongs to group 6 also known as carbon family while Y belongs to group 7 also known as nitrogen family

The average molar bond enthalpy of the carbon-chlorine (C-Cl) bond in a \(CCl_4\) molecule can be calculated by comparing the bond dissociation energies of multiple C-Cl bonds in different compounds and taking the average.

Here are the approximate bond dissociation energies for the C-Cl bond in a few compounds:

\(CH_3Cl\): 339 kJ/mol

To calculate the average, add up the bond dissociation energies and divide by the number of data points:

(339 + 328 + 323 + 330) kJ/mol = 1320 kJ/mol

Average molar bond enthalpy of C-Cl bond in \(CCl_4\)= 1320 kJ/mol

Please note that these values are approximate and can vary depending on the specific experimental conditions and compounds used.

To know more about bond dissociation energies  refer here

https://brainly.com/question/2773752#

#SPJ11

Answer:

Glucose. C6H12O6

Explanation:

In aerobic respiration glucose generate ATP. Which are the source of energy.