Question 6
Which element is a noble gas?
Te
Xe
I

Answer: Seismographs.

Explanation: These are used to monitor fluctuations in the Earth's crust.

Explanation:

photosynthesis is the series of chemical reactions.The raw materials for these reactions are carbon dioxide and water and the products are glucose(sugar) and oxygen. Energy for the chemical reactions comes from the sun.

Answer:

d

Explanation:

Answer:

The scale reads the tension in the string. The tension in the string is 100 N. This is the force the string must exert up on either of the 100-N weights at either end of the string.

Nothing is moving, nothing is accelerating, so the net force on the spring is zero. Likewise, the net force on either of the 100-N weights is also zero. But that is another question. The spring scale does not measure the net force. The spring scale simply measures the tension, the magnitude of the force exerted by the string.

Explanation:

Answer:

0.776 ×10²³ atoms of oxygen

Explanation:

Given data:

Mass of Al₂CO₃ = 10.0 g

Number of atoms of oxygen = ?

Solution:

Number of moles of Al₂CO₃:

Number of moles = mass/molar mass

Number of moles = 10.0 g/233.99 g/mol

Number of moles = 0.043 mol

1 mole of Al₂CO₃ contain 3 mole of oxygen.

0.043 ×3 mol = 0.129 mol

Number of atoms of oxygen:

1 mole contain 6.022×10²³ atoms

0.129 mol × 6.022×10²³ atoms / 1mol

0.776 ×10²³ atoms of oxygen

User Data is generally used to perform common automated configuration tasks and even run scripts after the instance starts. When you launch an instance in Amazon EC2, you can pass two types of user data - shell scripts and cloud-init directives. You can also pass this data into the launch wizard as plain text or as a file.

In general, a configuration is the arrangement of the components that make up a whole, or the act of creating that arrangement. A configuration, or particular shape, is produced when objects are placed in any spatial arrangement. As an illustration, scientists refer to a configuration as the particular, bound arrangement of atoms that forms a molecule.

Text, observations, figures, photos, numbers, graphs, and symbols can all be used as forms of data. Individual prices, weights, addresses, ages, names, temperatures, dates, or distances, for instance, could be included in the data. Data is an unprocessed type of knowledge and has no meaning or use by itself.

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Answer:

Matter exists as different substances that have observable different properties. ... Because matter exists as particles that are too small to see, matter is always conserved even if it seems to disappear. Measurements of a variety of observable properties can be used to identify particular materials.

Explanation:

Is it right.

The atomic mass of Fe (Iron) is 55.85 amu (Atomic mass unit).

The average mass of an element's atoms, commonly known as its atomic weight, is calculated using the average atomic mass and the relative abundance of isotopes within a naturally occurring element.

The atomic mass of such an atom serves as a measure of its size. The weight of an electron is so much lighter than that of the other particles that the mass of an atom is just that of the nucleus, despite the fact that the mass of an atom is theoretically the sum of the weights of its protons, neutrons, and electrons. The atomic mass of iron is therefore 55.85 amu.

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In the reaction; 4Zn + 10HNO₃ → 4Zn(NO₃)₂ + NH₄NO₃ + 3H₂O the zinc (Zn) is being oxidized, meaning it is losing electrons.

This is because the oxidation state of zinc changes from 0 on the reactant side to +2 on the product side. In contrast, the nitrogen (N) in HNO₃ is being reduced, meaning it is gaining electrons. This is because the oxidation state of nitrogen changes from +5 in HNO₃ to +4 in NH₄NO₃.

The reaction is a redox reaction, which involves both reduction and oxidation processes. The zinc atoms are being oxidized and the nitrate ions are being reduced. The overall reaction results in the formation of zinc nitrate (Zn(NO₃)₂), ammonium nitrate (NH₄NO₃), and water (H₂O).

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To determine the length of the string of lights needed for Seth's doughnut replica, we can follow these steps:

A. The length of the string of lights needed can be expressed as the circumference of the doughnut replica. The formula for the circumference of a circle is C = 2πr, where C represents the circumference and r represents the radius.

B. Given that the diameter of the replica is 18 feet, the radius would be half of that, which is 9 feet. Using the approximation 3.14 for π, we can simplify the expression: C = 2 × 3.14 × 9.

C. Simplifying further, we have C = 56.52 feet. Therefore, the string of lights needed for Seth's doughnut replica would need to be approximately 56.52 feet long.

In summary, the length of the string of lights needed for the doughnut replica is approximately 56.52 feet. This is calculated by using the formula for the circumference of a circle, substituting the radius of the doughnut replica, and simplifying the expression using the approximation 3.14 for π.

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Answer:

3.2 moles of H2SO4

Explanation:

We need to start with a balanced equation.  Lets assume the sulfuric acid is formed from sulfur dioxide and water.

   SO2 + H2O = H2SO4

This equation is balanced.  (Check it)

It tells us that 1 mole of SO2 will form 1 mole of H2SO4, if the reaction proceeds as planned.  That's a molar ratio of 1 to 1.  They are equal.  What moles we react, we should expect the same number of moles of product.  [And we need 1 mole of water at the same time]

So if we react 3.20 moles of sulfur dioxide, and keep out lab partner back, we'll obtain 3.2 moles of H2SO4.

Answer:

When one object uses force to move the other.

Explanation:

This is called Thrust.Thrust is used in airplane engines,or an engine can be  a source of Thrust,we use our legs to Thrust us forward when we walk!

Sir Isaac Newton's third law explains that for every action, or force, in nature, there is an equal and opposite reaction.

Hope that helps!

Liver contains digestive enzymes to break down harmful substances.

Digestive enzymes: Digestive enzymes are a group of enzymes which break down polymeric macromolecules into their smaller building blocks, in order to facilitate their absorption into the cells of the body.

Digestive enzymes are found in the digestive tracts of animals (including humans) as well as in the tracts of carnivorous plants, where they aid in the digestion of food, as well as inside the cells, especially in their lysosomes, where they function to maintain the cellular survival.

Liver: The liver contains various digestive enzymes, such as liver alcohol dehydrogenase, which helps to break down toxic substances such as alcohol and drugs, and convert them into less harmful substances that can be excreted from the body.

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Answer:

Huh? I guess it's

Explanation:

Answer:

Answer:

I don't know the answer but I do really like your profile picture, it's cool. He is my favorite character from Demon Slayer

Answer:

1.

2.

Explanation:

Protons and neutrons are located at the center of an atom which is nucleus .

Electrons will orbit around the nucleus .

Answer:

Explanation:

2,5M

Answer:

2,5m

Explanation:

c=n:v

The binding of the amino acid in aminoacyl-tRNA involves the formation of an ester bond.  Option b

Aminoacyl-tRNA is a complex molecule that plays a crucial role in protein synthesis. It consists of a tRNA molecule covalently linked to an amino acid. The amino acid is attached to the 3' end of the tRNA molecule through an ester bond.

An ester bond is formed between the carboxyl group (-COOH) of the amino acid and the hydroxyl group (-OH) of the ribose sugar at the 3' end of the tRNA molecule. This ester bond is also referred to as an ester linkage. The formation of the ester bond is catalyzed by the enzyme aminoacyl-tRNA synthetase.

The ester bond in aminoacyl-tRNA is essential for protein synthesis. During translation, the aminoacyl-tRNA molecule carries the specific amino acid to the ribosome, where it is incorporated into the growing polypeptide chain. The ester bond is later hydrolyzed, releasing the amino acid for further use in protein synthesis.

In summary, the binding of the amino acid in aminoacyl-tRNA involves the formation of an ester bond between the carboxyl group of the amino acid and the hydroxyl group of the ribose sugar in the tRNA molecule.

Option b

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Answer:

Temperature, concentration, and particle size of the reactants affect the collision frequency and energy of collisions in a chemical reaction, as predicted by the collision theory.

Explanation:

According to the collision theory of chemical reactions, for a reaction to occur, reactant particles must collide with sufficient energy and proper orientation. The temperature, concentration, and particle size of the reactants can affect the likelihood and frequency of these collisions and therefore impact the reaction rate.

Overall, the collision theory of chemical reactions suggests that temperature, concentration, and particle size all play important roles in determining the rate of a chemical reaction. By controlling these factors, it is possible to manipulate the rate of a reaction to achieve desired results.

The atoms that make up these metals may be seen as identical perfectly spherical, the structures of pure metals are simple to explain.

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Answer:

1. They are made up of two or more Pure substances that are not chemically bonded together and appear non-uniform

Explanation:

edge2020 :)

Heterogenous mixtures are made up of two or more substances that are not chemically bounded together  and which appear non-uniform.

Heterogenous mixtures is defined as a type of mixture where in the composition is not uniform throughout the mixture.It consists as two or more phases. The phases are chemically distinct from each other.

As there are two or more phases present in heterogenous mixtures they can be separated by solvent extraction where in one phase is miscible with the solvent and the other phase is immiscible.

Components of a heterogenous mixtures are distinctly visible . There are two types of heterogenous mixtures, the colloids and the suspensions.These two vary with each other with respect to particle size.

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The spontaneous clustering of lipids is driven by an energetically favorable increase in the entropy of water.
When lipids cluster together, they create a hydrophobic environment that excludes water molecules.

This leads to an increase in the disorder or randomness of water molecules, which is known as entropy. Since the increase in entropy is energetically favorable, water molecules tend to cluster around the hydrophobic region of the lipids, causing them to spontaneously form clusters or aggregates.

This clustering helps to minimize the disruption to the water structure and maximize the stability of the system. Since the increase in entropy is energetically favorable, water molecules tend to cluster around the hydrophobic region of the lipids, causing them to spontaneously form clusters or aggregates. In summary, the energetically favorable increase in the entropy of water drives the spontaneous clustering of lipids.

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Answer:

Concentration of this solution = 12g/60dm3

Concentration of this solution = 0.2g/dm3

Explanation:

Just use 12 ÷ by 60 as they want the simplify answer

Answer:

6 cm

Explanation:

The formula for Pheophytin A is C₅₅H₇₄N₄O₅ and Pheophytin B C₅₅H₇₂N₄O₆.

when chlorophyll pigment present in the chloroplast is heated with the acid, it usually loses its metal ion and forms a new pigment called as pheophytin. The colour changes from initially green to  final olive  green.

Pheophytin molecules are involved in the electron transfer process, they are not the only types of molecules involved. Other pigments, proteins, and cofactors also play important roles in the photosynthetic process

However, Pheophytin is not a protein complex; rather, it is a molecule involved in the electron transport chain within Photosystem II.

Therefore, Pheophytin will not be observed as a separate complex during the isolation of protein complexes from detergent-treated thylakoids.

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Answer:

look for evidence of the source's reliability

Explanation:

The pH of a 0.046 M HClO₄ solution is (c) 1.34.

HClO₄, or perchloric acid, is a strong acid that dissociates completely in water. Given a 0.046 M solution of HClO₄, we can calculate its pH using the formula:

pH = -log₁₀[H⁺]

Since HClO₄ dissociates completely, the concentration of hydrogen ions [H⁺] in the solution will be equal to the concentration of the HClO₄, which is 0.046 M. Plugging this value into the formula:

pH = -log₁₀(0.046)

Calculating the logarithm gives us:

pH ≈ 1.34

Therefore, the pH of a 0.046 M HClO₄ solution is approximately 1.34. The correct answer is option (c).

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N and C

Because Lithium and Sodium belong to group 1A whereas Magnesium is from group 2A, which are S block elements and they form ionic bond.

Answer:

N and C

Explanation:

Os the right answer

Net Product formed:

The conversion of 1 mol of fructose 1,6-bisphosphate to 2 mol of pyruvate by the glycolytic pathway results in a net formation of  2 mol of NADH and 4 mol of ATP.  

Glycolysis:

The energy-intensive stages also known as the first half of glycolysis. It divides the six-carbon sugar molecule evenly into two three-carbon molecules. The energy-releasing stages, or the second half of glycolysis, draw energy from the molecules and store it as ATP and NADH, the reduced form of NAD.

Two pyruvate molecules form the final product of glycolysis, which begins with glucose and two ATP molecules and two NADH molecules are gained by the cell as a net result.

The first half of the process requires the utilization of two ATP molecules to set up the six-carbon ring for cleavage. But since this pathway is starting from fructose 1,6-bisphosphate, the utilization step is omitted thus four molecules of ATP and two molecules of NADH are produced in total.

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