how many grams are in 6.8L of Oxygen gas (O2) at STP

Because a greater percentage of active sites will be occupied by substrate, competitive inhibition will be reduced.

When the competitive inhibitor attaches to the active site, the substrate is unable to bind there. Although it doesn't prevent substrate binding, the noncompetitive inhibitor attaches to a different spot on the enzyme and alters it in ways that prevent it from efficiently catalyzing the reaction.

When an inhibitor binds to an enzyme's target molecule, also known as the substrate, this process is known as inhibiting the activity of enzyme catalysis. In order to do this, the active site of the substrate's binding is blocked in some way.

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Answer:

Explanation:

A is solid, b is melting, c is freezing, d is liquid, e is evaporating, g is gas, and f is condensation.

Hello Mikaela!

Let's start from the top, letter G. Letter G should be gas. Letter F should be condensation. Letter E should be evaporation. Letter D should be liquid. Letter C should be freezing. Letter B should be melting. And letter A should be solid.

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Answer:

Experiment 8 E Data Table 3 fl Data Table 4 fl Data Table 5 fl Data Table 6 Data Table 3: Polystyrene Test Tube, 12x75mm Volume of water at room temperature (V1 in mL) Volume of gas in polystyrene tube at boil (V2 in mL) Temperature of gas at boil inside polystyrene tube (°C) Volume of gas in polystyrenetube at room temperature (V3 in mL) Temperature of gas.

Explanation:

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The conductivity of copper can be decreased when it takes in oxygen from the air and forms copper oxide on the surface or when oxygen impurities are present in the material. Copper oxide is a poor conductor of electricity compared to pure copper, and the presence of oxygen impurities can disrupt the regular arrangement of copper atoms and hinder the flow of electrons, leading to a decrease in conductivity.

Using simple and environmentally friendly synthesis approach, we can produce approximately 120 g of G-dots per 100 kg of food waste.

Because of the abundance of oxygen-containing functional groups on their surface, G-dots are highly soluble in water. Because of similar quantum effects and emission traps on the surfaces, the narrow band of photoluminescence emission (400-470 nm) confirms that the size of the G-dots (∼4 nm) is small. G-dots have excellent photostability; their photoluminescence intensity decreases slowly (∼8%) after 10 days of continuous excitation with a Xe lamp. We performed a cell viability assay to evaluate the effect of cytotoxicity by introducing G-dots into cells such as Chinese hamster ovary cells (CHO-K1), mouse muscle cells, and African green monkey kidney cells (COS-7) for 24 hours.

These G-dots are excellent probes for in vitro bioimaging due to their high photostability and low cytotoxicity. Furthermore, byproducts of G-dot synthesis from large food-waste derived sources aided in the growth and development of seedlings germinated on 3DW-supplemented gauze. G-dots hold great promise in a variety of fields, including biomedical imaging, solution state optoelectronics, and plant seed germination and/or growth, due to the advantages of green synthesis, high aqueous stability, high photostability, and low cytotoxicity.

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Decreasing sunlight will decrease the amount of energy storage molecules in an ecosystem.

This is the process in which green plants manufacture food in the presence of sunlight. Primary producers are involved in this process of providing energy to the ecosystem.

This therefore means that a decrease in sunlight means a decrease in photosynthesis and energy production.

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Answer:

Bubbling can indicate a chemical reaction

Explanation:

Chemical reaction takes place with the beginning of bubbles and foam when hydrogen peroxide is put onto an open wound. This compound does not only heal the wound but also damages the body as it also kills the nearby healthy cells.

Chemical reaction is a process which leads to chemical transformation of a chemical substance into another.

Hydrogen peroxide bubbles when it comes into contact with an enzyme called catalase. Most of the cells in the body contain catalase enzyme, so whenever the tissue is damaged, the enzyme catalase is released from the cell and it becomes available to react with the peroxide ion.

Hydrogen peroxide applied on a cut produces a white, fizzling foam which is actually a sign that the solution is killing the bacteria as well as the healthy cells around it.

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Answer:

Global wind patterns

Ocean currents

Global climates

Explanation:

Edge2021 correct

The factors that were affected by the breakup of the supercontinent Pangaea include global wind patterns, ocean currents, and global climates.

The Pangea was a super-landmass that originally gave rise to all continents on the Earth planet.

According to the theory of continental drift, the Pangea break up millions of years ago to generate the continents.

This theory (continental drift) has been replaced by the tectonic plate model, but the idea of Pangea has still support in the scientific community.

In conclusion, the factors that were affected by the breakup of the supercontinent Pangaea include global wind patterns, ocean currents, and global climates.

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Answer:

D. Speed up and spread out

The equilibrium concentration of reactants and products are i.e.

[H2]=0.049,[I2]= 0.049,[HI]=0.36.

What is equilibrium concentration?

When the products and reactants remain constant over time, a chemical is said to be at equilibrium concentration. In other words, the rate of forward reaction in a chemical reaction must equal the rate of backward reaction in order for there to be chemical equilibrium, also known as equilibrium concentration.

For detailed calculation please refer attached file.

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The oceans absorb the most sunlight from the options that we have here.

Seventy-one percent or more of the surface of the Earth is covered by the oceans. The result is that they get a lot of sunshine. The upper layers of the ocean absorb a large amount of the incoming solar energy, which enters the ocean waters.

Solar radiation is efficiently absorbed by water, especially in the visible light spectrum. The ocean heats the water as a result of absorbing sunshine. The oceans' ability to absorb solar energy is vital for driving a variety of marine phenomena, including currents, circulation patterns, and temperature distribution, as well as managing Earth's climate.

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Answer:

The answer is A. Oceans.

Explanation:

I did the test.

Answer:

carbon and hydrogen

Explanation:

the carbon atoms join together to form the frame work of the compound and the hydrogen atoms attach to them in many different configurations

Answer:

2.44×10²³ molecules

Explanation:

From the question given above, the following data were obtained:

Mass of H₂O = 7.30 g

Number of molecules of H₂O =?

From Avogadro's hypothesis:

1 mole of H₂O = 6.02×10²³ molecules

1 mole of H₂O = (2×1) + 16

= 2 + 16

= 18 g

Thus,

18 g of H₂O = 6.02×10²³ molecules

Finally, we shall determine the number of molecules present in 7.3 g of H₂O. This can be obtained as follow:

From Avogadro's hypothesis:

18 g of H₂O = 6.02×10²³ molecules

Therefore,

7.3 g of H₂O = 7.3 × 6.02×10²³ / 18

7.3 g of H₂O = 2.44×10²³ molecules

Thus, 7.3 g of H₂O contains 2.44×10²³ molecules

Answer:

4

Explanation:

All numbers in the calculation are to 4 significant figures.

Answer:

Waterrrr

Explanation:

H2O

Answer:

Muscle contraction

Explanation:

According to the new study, exercise improves muscle health by renewing its cellular powerhouse: the mitochondria. Mitochondria are crucial to the good functioning of our bodies, as well as to our overall health and longevity. These tiny parts of the cell turn the food we eat into energy.

Answer:

Explanation:

july

Answer:

Calm down is this what you need?

Answer:

calm down, what kind of container and things do you need?

Explanation:

Answer:

To estimate the enthalpy change for Equilibrium 1, we need to calculate the bond energies for the reactants and products of the reaction and use them to determine the change in enthalpy.

The bond energies for the reactants of Equilibrium 1 are:

C2H4(g): 412 kJ/mol

Cl2(g): 243 kJ/mol

The bond energies for the products of Equilibrium 1 are:

C2H4Cl2(g): 575 kJ/mol

We can use these bond energies to calculate the enthalpy change for Equilibrium 1 as follows:

ΔrH = [C2H4Cl2(g)] - ([C2H4(g)] + [Cl2(g)])

ΔrH = 575 kJ/mol - (412 kJ/mol + 243 kJ/mol)

ΔrH = 120 kJ/mol

Therefore, the enthalpy change for Equilibrium 1 is approximately 120 kJ/mol.

For Equilibrium 2, the bond energies for the reactants are:

C2H4Cl2(g): 575 kJ/mol

The bond energies for the products are:

C2H3Cl(g): 328 kJ/mol

HCl(g): 432 kJ/mol

We can use these bond energies to calculate the enthalpy change for Equilibrium 2 as follows:

ΔrH = ([C2H3Cl(g)] + [HCl(g)]) - [C2H4Cl2(g)]

ΔrH = (328 kJ/mol + 432 kJ/mol) - 575 kJ/mol

ΔrH = -215 kJ/mol

Therefore, the enthalpy change for Equilibrium 2 is approximately -215 kJ/mol.

Ksp for each of the slightly soluble solids

The solubility product constant, also known as the equilibrium constant, is the rate at which a solid material called the solute solubility in an aqueous solution. It is equal to the product of the ionic species on the product side multiplied by the coefficient of each ion with in chemical process. The maximum extent to which a solvent can dissolve in a solution is shown by the Ksp of each dissolution reaction, which is determined by the solubility rules. The max number of solute that can dissolve in a solvent at balance is defined as solubility. The state in which the concentration levels of products and reactants are continuous after the reaction has occurred is referred to as equilibrium.

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Based on the Lewis structure, SCl₂ is a polar molecule whereas CBr₄ is a non-polar molecule.

Lewis dot structures, also known as electron dot structures, are pictorial representations that show the interatomic chemical bonds in a molecule. They also depict how many lone pairs are overall in each atom that makes up the molecule. Common names for Lewis dot structures include electron dot structures and Lewis structures. Lewis described an acid as an electron pair acceptor, while a base is an electron pair giver. One dot is included in a Lewis Electron Dot Formula along with the symbol of the element and each valence electron.

Hence, Lewis structure denotes nature of molecules

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The difference in the oxidation state of chromium in chromate and dichromate salts is 0 as chromium has an oxidation number of +6 in both salts.

Chromates and dichromates are salts of chromic acid and dichromic acid, respectively.

Chromate salts contain the chromate ion, CrO₄²-, and have an intense yellow color. Dichromate salts contain the dichromate ion, Cr₂O₇²−, and have an intense orange color.

The chromium atoms are in oxidation state +6 in both, and the chromate and dichromate ions are fairly strong oxidizing agents.

Chromium in the +6 (or VI) oxidation state is often referred to as hexavalent chromium.

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Answer:

F' = 3 N

Explanation:

Given that,

Two objects of equal mass have a force of gravity of 6 N between them.

If the mass of one is cut in half and the other stays the same such that,

m₁' = m₁ and m₂' = (m₂/2)

We need to find the new force. The gravitational force between two objects is given by :

[tex]F=G\dfrac{m_1m_2}{r^2}[/tex]

We have, F = 6 N

New force,

[tex]F'=G\dfrac{m_1'm_2'}{r^2}\\\\F'=\dfrac{Gm_1\times \dfrac{m_1}{2}}{r^2}\\\\=\dfrac{1}{2}\times \dfrac{Gm_1m_2}{r^2}\\\\F'=\dfrac{F}{2}\\\\F'=\dfrac{6}{2}\\\\F'=3\ N[/tex]

So, the new force becomes 3 N.

Answer:

Yes.

Explanation:

Yes.

Answer:10-1707

Explanation:

Rate of dissociation of a solution is largely depends up on surface area of the solid solute.The correct option is D

Dissociation can be defined as chemical reaction in which a compound breaks apart into two or more components. The general formula for a dissociation reaction follows the form: AB → A + B.

Therefore dissociation reaction may occur when one molecule is divided to form two smaller ones leading to a decrease in energy. Dissociation reactions result in the break down of a large molecule to form smaller products.

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The balanced equation of combustion of the butane is:

2C₄H₁₀ (g) + 13 O₂ (g)  → 8 CO₂ (g) + 10 H₂O (g)

The volume of the butane, oxygen, CO₂, and water is 44.8 L, 291.2 L, 179.2 L, and 224 L.

The chemical equation is said to be balanced if the number of atoms of each element is equal on both sides of the chemical equation.

The law of conservation of mass should be followed while balancing of a chemical equation.  By obeying this law, the total mass on both sides of the equation will be equal in a balanced chemical equation.

Given the equation is 2 C₄H₁₀(g)  + 13 O₂ (g)  → 8 CO₂ (g) + 10 H₂O (g)

The moles of the butane = 2 mol

The volume of the butane = 2 ×22.4 = 44.8 L

The volume of the oxygen = 13 ×22.4 = 291.2 L

The volume of the carbon dioxide = 8 ×22.4 = 179.2 L

The volume of the water = 10 ×22.4 = 224 L

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Answer:

14

Explanation:

Step 1: Calculate the moles corresponding to 25 g of Ba(OH)₂

The molar mass of Ba(OH)₂ is 171.34 g/mol.

25 g × 1 mol/171.34 g = 0.15 mol

Step 2: Calculate the molar concentration of Ba(OH)₂

Molarity is equal to the moles of solute divided by the liters of solution.

[Ba(OH)₂] = 0.15 mol/0.250 L = 0.60 M

Step 3: Calculate the molar concentration of OH⁻

Ba(OH)₂ is a strong base according to the following equation.

Ba(OH)₂ ⇒ Ba²⁺ + 2 OH⁻

The molar ratio of Ba(OH)₂ to OH⁻ is 1:2. The molar concentration of OH⁻ is 2/1 × 0.60 M = 1.2 M.

Step 4: Calculate the concentration of H⁺

We will use the ionic product of water expression.

Kw = 1.0 × 10⁻¹⁴ = [H⁺] × [OH⁻]

[H⁺] = 1.0 × 10⁻¹⁴/[OH⁻] = 1.0 × 10⁻¹⁴/1.2 = 8.3 × 10⁻¹⁵ M

Step 5: Calculate the pH of the solution

We will use the definition of pH.

pH = -log [H⁺] = -log 8.3 × 10⁻¹⁵ = 14