Which type of feature forms suddenly where intense compression deforms the rock in an area?


A. A series of rock layers cut by a normal fault


B. A depression that forms a lake


C. A mountain made of volcanic rock


D. A mountain range with folded layers of rock

Explanation:

Eating and digesting cheese pizza is a Chemical Change because it is an irreversible reaction. It can't be undone.

Answer:

B. pure substance

Explanation:

A chemical reaction is the only way to separate a(n)  ✔ pure substance.

Answer:

\(2.71(10^{25})\) molecules

Explanation:

Remember 1 mol is equal to Avogadro's number

\(45 mol (\frac{6.02(10^{23}) molecules}{1 mol})\)

Therefore, the gas was collected at a temperature of 246 K.

It examines four straightforward techniques for gathering gases: floating over water, pouring gases into test tubes or gas jars from below, pouring gases into gas syringes from above.

We can use the ideal gas law, PV = nRT, to solve for the temperature (T) of the gas. Rearranging the equation, we get:

T = PV / nR

where P is the pressure in atm, V is the volume in L, n is the number of moles, R is the ideal gas constant (0.08206 L.atm/mol.K).

Substituting the given values, we get:

T = (0.925 atm)(3.51 L) / (1.350 mol)(0.08206 L.atm/mol.K)

T = 246 K

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Answer:

Solid ionic compounds do not have electrical conductivity because the ions are not free to move. In a liquid, the ionic compound dissociates into its respective ions.

Answer:

11.5

Explanation:

1 mole of Na has 6.022 × 10^23

so 6.95 x 10^24 / 6.022 × 10^23 = 11.5 moles

Answer:

Explanation:

3× 22+2×32+ 6×16=

66+64+96=236

High pressure is to compressibility as low pressure is to expansibility.

Compressibility is a measure of the relative volume change of a fluid or solid as a response to a pressure change.

Compressibility occurs at a high pressure.

Expansibility is a measure of the relative volume change of a fluid or solid as a response to a pressure change.

Expansibility occurs at a low pressure.

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The actual volume of water measured out is 10.012 mL.

To determine the actual volume of water, we can use the density formula: density = mass/volume.

Rearranging the formula to solve for volume, we get: volume = mass/density.

Plugging in the given values, we get:

volume = 9.990 g / 0.9978 g/mL = 10.012 mL.

Therefore, the actual volume measured out is slightly greater than the nominal volume of 10 mL, likely due to the meniscus formed by the water at the top of the pipet. This highlights the importance of proper measurement techniques and accounting for sources of error in experimental measurements.

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Marissa is investigating a biochemical reaction involving carbon compounds. the reaction requires a specific enzyme. The role of the enzyme in this reaction is to speed up the chemical reaction.

Enzymes are protein molecules. Enzymes lower the activation energy necessary for the reaction to occur. This allows the reaction to happen more quickly than it would without an enzyme present.

Any reaction requires a specific enzyme. That specific enzyme allow the

reaction to speed up, otherwise there is no change in reaction speed.

Enzymes work by decreasing the activation energy required to start biochemical reactions.

So, the enzyme role of enzyme is to speed up the reaction ad decreasing the activation energy of the reaction.

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The force magnitude between a positive sodium ion and a negative chloride ion in an ionic NaCl crystal is 4.47 x 10^-8 N (Newtons). This force is due to electrostatic attraction between the two ions.

The electrostatic potential energy of the system. This is done using the equation U = kqQ/r,

where k is the Coulomb's constant (8.99 x 10^9 Nm^2/C^2), q is the charge of the sodium ion (+1.6 x 10^-19 C), Q is the charge of the chloride ion (-1.6 x 10^-19 C), and r is the distance between them (0.5 nm).

U = 8.99 x 10^9 x 1.6 x 10^-19 x (-1.6 x 10^-19) / 0.5 x 10^-9, which simplifies to 4.47 x 10^-8 N.

The electrostatic potential energy is a measure of the work done in bringing two charges together, and is also equal to the magnitude of the electrostatic force.

Therefore, the force magnitude between the two ions is 4.47 x 10^-8 N.

The electrostatic force between the two ions acts along the line joining them, pushing the positive sodium ion towards the negative chloride ion.

The magnitude of this force is attractive, as the two ions have opposite charges, and is 4.47 x 10^-8 N, as calculated above.

This electrostatic force is strong enough to hold the ions together in the ionic crystal lattice of NaCl.

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Answer

F) The pressure of a gas exerted on the walls of its container is inversely proportional to the volume of the gas when the temperature of the gas remains constant.

Explanation

Boyle's law states that the volume of a given mass of gas varies inversely with the pressure when the temperature is kept constant. An inverse relationship is described in this way. As one variable increases in value, the other variable decreases. He discovered that doubling the pressure of an enclosed sample of gas, while keeping its temperature constant, caused the volume of the gas to be reduced by half.

Answer:

formula tree

Explanation:

In an electron cloud, which is made up of electrons orbiting an atom's nucleus, there are as many as seven different energy levels.

The region closest to an atom's nucleus where electrons are most likely to be located is referred to as an electron cloud. The sphere that envelops the microscopic nucleus is indeed there, despite the fact that two-dimensional images frequently show it as a ring.

In the electron cloud model, a finite number of electrons can be stored in each energy level. The lowest energy level, which is given the number one, is the smallest and most near the nucleus. Seven different energy levels may exist.

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Answer:

1.)C₃H₈O

2)OH

3.)1-propanol

1.) C4H8O

2.) C2H6O or CH3CH2OH

3.)Ethanol

Explanation:

Hope this help

Answer:69.8

Explanation:

The formula is

\(\boxed{\sf \chi_A=\dfrac{\chi_A}{\chi_A+\chi_B}}\)

Denominator will be same for all

Find that

Now

#C

\(\\ \rm\Rrightarrow \chi_C=\dfrac{12}{45}\)

#H

\(\\ \rm\Rrightarrow \chi_H=\dfrac{22}{45}\)

#O

\(\\ \rm\Rrightarrow \chi_O=\dfrac{11}{45}\)

In the context of atomic orbital (AO) wavefunctions, the terms "radial node" and "nodal plane" refer to different aspects of the wavefunction's behavior.

A radial node is a region in the AO wavefunction where the probability of finding an electron is zero along the radial direction. In other words, it represents a spherical shell where the electron is unlikely to be found. The number of radial nodes is determined by the principal quantum number (n) of the orbital. For example, the 2s orbital has one radial node, while the 2p orbital has no radial nodes.

On the other hand, a nodal plane is a flat plane within the AO wavefunction where the probability of finding an electron is zero along a particular direction. It represents a surface that divides the orbital into two regions of opposite phases. The number of nodal planes is determined by the angular quantum numbers (l and m) of the orbital. For example, the 2s orbital has no nodal planes, while the 2p orbital has one nodal plane (the xz or yz plane).

Radial nodes arise from the radial part of the wavefunction because they depend on the distance from the nucleus. The radial part determines the distribution of the electron density as a function of distance, and the nodes correspond to regions where the density drops to zero.

On the other hand, nodal planes arise from the angular part of the wavefunction because they depend on the orientation and shape of the orbital. The angular part describes the angular distribution of the electron density around the nucleus, and the nodal planes correspond to regions where the phase of the wavefunction changes sign.

In summary, radial nodes are related to the distance from the nucleus and arise from the radial part of the wavefunction, while nodal planes are related to the orientation and shape of the orbital and arise from the angular part of the wavefunction. The 2s orbital has one radial node and no nodal planes, while the 2p orbital has no radial nodes and one nodal plane.

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Answer:

Radiation and conduction

Explanation:

The human body lose heat by these two ways, because everything that touches our bodies and is in a temperature below us will receive part of our heat (conduction), and you can figure out that we lose heat by radiation because a human bright in a heat cam

Answer:

it would round down to 14.2

Explanation:

the 35 is below 50 so it goes down, and it rounds down to 14.2 instead of, if if was, say, 14.62 then that would round up bc the decimal is higher than 50.

but since it is 235, then it rounds down to 14.2

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D. They both involve chemical change.

Both photosynthesis and combustion are chemical changes. In photosynthesis, green plants produce their food in the presence of sunlight using carbon dioxide and water.

Combustion refers to something being burnt. It usually applies to burning of fossil fuels.

These processes are both chemical changes because:

- they are not reversible processes

- new products are formed.

- mass is conserved

- they require considerable amount of energy.

Answer:

What could happen if the nervous system and the endocrine system stopped communicating is that body regulation functions would be lost, constituting the loss of organic balance or homeostasis.

Explanation:

There is a close relationship between the nervous and endocrine systems, or what is also known as the neuroendocrine system.

The nervous system is in charge of the regulation of all the vital functions, receiving external information, processing it and elaborating an adequate response. When it comes to the internal functions of the organism, the endocrine system receives orders from the nervous system to regulate them and maintain homeostasis.

If the communication between Nervous system and the endocrine system did not exist, there would be no way to regulate many functions and the organism would lose its ability to maintain internal balance.

An example of this would be the function of vasopressin or antidiuretic hormone (ADH). This hormone is produced by the hypothalamus and released by the neurohypophysis, being its main function the regulation of the hydroelectrolytic balance. If the communication between both systems did not exist, the function of ADH would not be possible, and the hydroelectrolytic balance would be lost.

If there is no communication between Nervous system and the endocrine system, there would be no way to regulate many functions and the organism would lose its ability to maintain internal balance.

⇒For example:

The activity and role of the adrenal glands in response to stress provide an excellent example of interdependency of the nervous and endocrine systems and if there is no communication between the two systems thus there will be no activity of adrenal glands.

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sodium carbonate is a good looking compund available in physics laboratory so that we can microscope the rock cells

This reaction is an example of a neutralization reaction, which occurs when an acid and a base react to form a salt. In this case, ethylamine (C2H5NH2) is a weak base and water (H2O) is a weak acid.

Reaction: C2H5NH2 + H2O → C2H5NH3+ + OH-

Reactants: C2H5NH2 (ethylamine) and H2O (water)

Products: C2H5NH3+ (ethylammonium ion) and OH- (hydroxide ion)

When they react, they form an ethylammonium ion (C2H5NH3+) and a hydroxide ion (OH-).

This reaction is an important part of the nitrogen cycle, in which nitrogen is converted from one form to another in order to become part of the food chain. The products of this reaction can also be used as fertilizers for plants.

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The dropper bottles containing the anions to be studied, were all sodium salt solutions.

Salt compounds can be divided into two types based on their water solubility. They are soluble salts and insoluble salts. The main difference between soluble and insoluble salts is that soluble salts are soluble in water at room temperature whereas insoluble salts are not soluble in water at room temperature.

Insoluble salts are ionic compounds that cannot be dissolved in water but form suspensions, .e. salts continue to exist as solids rather than being dissolved in liquids, whereas soluble salts are ionic compounds that dissociate components during interaction with solvents to form concentrations of at least 0.1 mol/liter at room temperature. form a solution.

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Explanation:

having no strongly marked or positive characteristics or features.