Substance induced vs. primary psychiatric conditions are identified:
Easily on the first meeting with the patient
Only after a full month of abstinence
Without family history for it is of little value
Sometimes with consistent opioid use

The oxidation number of the zinc in the ZnCl₂  is the +2.

The oxidation number, is also called as the oxidation state, the total number of the electrons that an atom either will gains or will loses in order to form the chemical bond with the another atom.

The oxidation number of the chlorine = -1

The oxidation number of the Zn is as follows :

Zn + 2( -1 ) = 0

Zn - 2 = 0

Zn = + 2.

The Oxidation number of an atom can be  defined as the charge that the atom appears will have on forming the ionic bonds with the other heteroatoms.

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When an unknown compound with the formula \(K_XCl_YO_Z\). Given that a 100 g sample of the compound is comprised of 24.75g K, 44.88g Cl and 30.37g O and has a molar mass of 316 g/mol than the empirical formula is: \(K_2Cl_4O_6\)

To determine the empirical formula, we need to find the simplest whole-number ratio of the atoms in the compound. We can do this by converting the given masses to moles and finding the smallest mole ratio.

Moles of K = 24.75 g / 39.10 g/mol = 0.632 mol

Moles of Cl = 44.88 g / 35.45 g/mol = 1.265 mol

Moles of O = 30.37 g / 16.00 g/mol = 1.898 mol

Dividing each value by the smallest number of moles (0.632) gives the following mole ratios:

K:Cl:O = 1.000 : 2.002 : 3.000

The ratio of K:Cl:O is not a whole number, so we need to multiply each by the same integer to obtain whole numbers. Multiplying each by 2 gives:

K:Cl:O = 2 : 4 : 6

This is the empirical formula of the compound.

To determine the molecular formula, we need to know the molar mass of the compound. The given molar mass is 316 g/mol, and the empirical formula mass is:

2(K) + 4(Cl) + 6(O) = 174 g/mol

Dividing the molar mass by the empirical formula mass gives:

316 g/mol ÷ 174 g/mol = 1.816

Rounding to the nearest integer, the molecular formula is: \(K_2Cl_4O_6\)

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A gaseous compound is subjected to increased pressure. What is happening to the temperature at the same time?

We assume the gas is in a container.

If we increase the pressure, is a direct relationship with temperature, so the temperature increases, but if the volume is not constant, it will decrease.

Answer: increased temperature, decreased volume.

Answer:

Scavenger

Explanation:

Because scavengers feed on dead of decaying meat

Answer:

the steak I ate because its protein

Plants can be defined as multicellular organisms that has the ability to manufacture or produce their own food.

The multicellular organisms are those organisms that are made up of various cells which work together to maintain the functionality of the living organism.

The plant can be described as a multicellular organism as it contains cells such as:

The plants are also has the ability to manufacture their own food due to the presence of the green pigment called the chloroplast.

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Finishing up a spectrophotometry experiment requires careful attention to detail, as well as knowledge of laboratory safety and experimental protocols. Proper documentation and analysis of the results can help ensure that the experiment is reproducible and the conclusions are valid.

What is spectrophotometry ?

Spectrophotometry is a technique used to measure the intensity of light absorbed or transmitted by a sample as a function of wavelength. It is commonly used in chemistry, biochemistry, and molecular biology to measure the concentration of a substance in a solution, based on the amount of light that is absorbed by the sample.

Finishing up a spectrophotometry experiment typically involves several steps, which may include:

Collecting data: Once the experiment is complete, the data from the spectrophotometer should be collected and recorded.

Analyzing the data: The data collected from the experiment should be analyzed to determine the absorbance values of the samples and standards, and to calculate the concentration of the unknown samples.

Cleaning the spectrophotometer: The spectrophotometer should be properly cleaned and maintained to ensure accurate results in future experiments.

Disposing of samples: Any unused samples or solutions should be disposed of properly, in accordance with laboratory safety guidelines and local regulations.

Recording results: The results of the experiment should be recorded in a laboratory notebook or other appropriate documentation, including the concentrations of the unknown samples and any other relevant data.

Drawing conclusions: Based on the results of the experiment, conclusions should be drawn and any further experiments or investigations should be planned.

Presenting the results: If the experiment is part of a larger research project, the results may be presented in a scientific paper, poster, or presentation.

Overall, finishing up a spectrophotometry experiment requires careful attention to detail, as well as knowledge of laboratory safety and experimental protocols. Proper documentation and analysis of the results can help ensure that the experiment is reproducible and the conclusions are valid.

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The following set of atoms and ions, arrange the members in order of decreasing size: Rank items from largest to smallest : Fe²⁺ > Fe³⁺ > Co³⁺.

The electronic configuration of Co³⁺ is 3d⁶ 4s⁰. The electronic configuration  Fe²⁺ is 3d⁶ 4s⁰ and the  electronic configuration of Fe³⁺  is 3d⁶ 4s⁰. atomic size decreases as we move from left to right in a period atomic size decreases and the as the nuclear charge increases the atomic size decrease. so the order of the atomic size in the decreasing order is  Fe²⁺ > Fe³⁺ > Co³⁺.

Thus, The following set of atoms and ions, arrange the members in order of decreasing size: Rank items from largest to smallest : Fe²⁺ > Fe³⁺ > Co³⁺.

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The mixture of sand and naphthalene can be separated using physical methods, such as the following:

Sublimation: Naphthalene has a low boiling point and can be vaporized at a temperature lower than that required to vaporize sand. By heating the mixture, the naphthalene will sublime, leaving behind the sand.

Filtration: Sand can be separated from the mixture by filtration, as it is a solid and can be filtered out through a porous filter paper, while the liquid naphthalene will pass through the filter.

Centrifugation: The mixture can be placed in a centrifuge and spun at high speed. The heavier sand particles will settle at the bottom, while the lighter naphthalene will form a separate layer on top.

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Pre-industrial villages were more likely to be found close to surface water sources than industrial ones were. is Valid

The growing population is the main cause of the growth in groundwater use. The increased usage of groundwater is a result of both urbanization and pollution. Groundwater cannot be successfully sourced from contaminated rivers, lakes, or springs. Between pre- and post-industrial eras, groundwater use reduced.

Similar issues arise when water is extracted from the ground quicker than it can be replaced. As a result of pumping, groundwater storage volume is falling in several parts of the United States. The main cause of ongoing groundwater pumping is groundwater depletion. The Ogallala Aquifer is the country's biggest aquifer. The High Plains aquifer system, which extends from Texas to South Dakota, supports a portion of eight different states.

Therefore the correct answer is option b ) true .

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The combined mass of hydrochloric acid and sodium hydroxide is determined by adding their individual masses.

When calculating the combined mass of hydrochloric acid and sodium hydroxide, we need to consider the individual masses of these two substances. Hydrochloric acid (HCl) has a molecular formula of HCl and consists of one hydrogen atom (H) and one chlorine atom (Cl). Sodium hydroxide (NaOH), on the other hand, is composed of one sodium atom (Na), one oxygen atom (O), and one hydrogen atom (H). To calculate the combined mass, we add the individual masses of these reactants.

The molar mass of hydrogen (H) is approximately 1 gram/mol, while the molar mass of chlorine (Cl) is approximately 35.5 grams/mol. Sodium (Na) has a molar mass of around 23 grams/mol, oxygen (O) has a molar mass of approximately 16 grams/mol, and hydrogen (H) has a molar mass of around 1 gram/mol.

To determine the combined mass of hydrochloric acid and sodium hydroxide, we multiply the number of atoms of each element by their respective molar masses and sum them up. For example, hydrochloric acid has one hydrogen atom and one chlorine atom, so the total mass would be 1 gram/mol (hydrogen) + 35.5 grams/mol (chlorine). Similarly, sodium hydroxide has one sodium atom, one oxygen atom, and one hydrogen atom, resulting in a combined mass of 23 grams/mol (sodium) + 16 grams/mol (oxygen) + 1 gram/mol (hydrogen).

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In the photosynthesis lab, blowing into the tubes with phenol red serves a specific purpose. Phenol red is a pH indicator that changes color based on the acidity or basicity of the solution it is in. When the solution is more acidic, it turns yellow, and when it is more basic, it turns pink.

During photosynthesis, plants release oxygen gas as a byproduct, which makes the solution in the tubes more basic. Blowing into the tubes helps to mix the solution and ensure that the phenol red is evenly distributed throughout. This makes it easier to see the color change when oxygen is being produced by the plant through photosynthesis.
Blowing into the tubes also helps to remove any excess carbon dioxide in the solution, which can interfere with the pH indicator and lead to inaccurate results. By removing the excess carbon dioxide, the phenol red can more accurately reflect the changes in pH that occur during photosynthesis.
Overall, blowing into the tubes with phenol red in the photosynthesis lab is an important step in ensuring accurate and reliable results. It helps to mix the solution and remove any interfering factors, allowing for a clear and easy-to-interpret visual representation of the plant's photosynthetic activity.

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Answer: Your answer is Its signal sequence must target it to the ER, after which it goes to the Golgi.

Hope this helps!

The compound that is involved in the reaction with silver nitrate to form silver chloride and iron (III) nitrate is Iron (III) chloride.

The displacement reaction is the one in which the more reactive element displaces the less reactive element from the compound forming a new compound.

The formation of silver chloride and iron (III) nitrate was followed by the double displacement reaction. The silver in silver nitrate was replaced by the iron forming iron(III) nitrate, and the chloride from the Iron chloride reacted with silver forming silver chloride.

Thus, the compound that reacts with Silver nitrate in the double displacement reaction is Iron(III) chloride.

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The given chemical equations are balanced as per law of conservation of mass.

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 .

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Answer: i got no idea but good luck yo

Explanation:

Answer:

41.63g

Explanation:

Given parameters:

Volume of CaCl₂  = 500mL  = 0.5L

Concentration  = 0.75mol/L

Unknown:

Mass of the solute needed = ?

Solution:

The mass of the solute can be derived using the expression below;

     Mass  = number of moles x molar mass

But,

   Number of moles  = Concentration x Volume

So;

     Mass  = Concentration x Volume x molar mas

Molar mass of CaCl₂  = 40 + 2(35.5) = 111g/mol

     Mass  = 0.75 x 0.5 x 111 = 41.63g

Answer:

It is position 3

Explanation:

Because the further the magnets are the higher the potential energy, and in position 3 the globe is the furthest from the base meaning that in base 3 the magnetic potential energy is the highest or greatest there.

Answer:

6.44 cups of ice

Explanation:

The ratio of the densities is simply the density of one divided by the density of the other: The density of ice to water is 0.92. Using the ratio, one can simply multiply the volume of the ice by 0.92, which is the conversion factor for the volume of ice to liquid water.

7 × 0.92 = 6.44

Pls consider giving me Brainliest! It would mean and help a lot! ; )

Answer:

Hope it helps you!

Answer Microbial oxidation of sulfur is the oxidation of sulfur by microorganisms to produce energy. The oxidation of inorganic compounds is the strategy primarily used by chemolithotrophic microorganisms to obtain energy in order to build their structural components, survive, grow and reproduce.

Explanation:

Answer:

I don't understand but I can tell u this:

Na has one extra valence electron and Cl has one missing one. Chemical reactions and forming of compounds is all in the electrons and not the nucleus. So, when highly reactive Na mixes with Cl, they form a stable compound called NaCl, or table salt.

If we are making one molecule of sodium chloride, we need one sodium atom and one chlorine atom. The formula of sodium chloride is NaCl.

Sodium chloride is an ionic compound formed by the combination of sodium and chlorine atoms. One molecule of sodium chloride contains one sodium and one chlorine atom to form NaCl. Now if we are making one mole of NaCl, we need 6.022 × 10²³ atoms of each element.

Sodium is a metal and possess extra one electron in its valence shell. Chlorine have 7 valence  electrons thus, it needs one more electron to attain octet. Sodium donates its electron to chlorine and gains a positive charge.

Chlorine gains a negative charge by accepting the electron from sodium. This opposite charge clouds undergo electrostatic force of attraction. And thus, it an ionic bond forms between them.

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Motion is the act of shifting one's position.

The physics term for a body's position or orientation changing over time. Translation is the movement along a straight or curved path.. Rotation is a motion that modifies a body's orientation.

According to the information provided,

a body is said to be in motion if its position varies over time. Speed, velocity, distance traveled, displacement, acceleration, and time may all be quantitatively described.

Physics' discipline of kinematics discusses a body's motion without mentioning its cause, while dynamics examines forces as well as how they affect motion.

When it is discovered that an object is not altering its location with respect to a certain frame of reference, it is said to be at rest. Another word for the condition of rest is stationary.

Thus, we could draw the conclusion that motion is the process by which an object's location changes over time.

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Answer: There are 3.99 .

Explanation:

Nuclear power plants produce electricity using energy from the radioactive decay of uranium-235. Option A is correct.

Nuclear power plants use nuclear reactors to produce heat through a process called nuclear fission, in which the nucleus of an atom is split into two smaller nuclei, releasing a large amount of energy. Uranium-235 is a naturally occurring radioactive isotope of uranium that is used as fuel in nuclear reactors because it undergoes nuclear fission more readily than other isotopes.

Uranium-238 is also used in nuclear reactors, but it must first be converted into plutonium-239 through a process called nuclear transmutation. Plutonium-235 and plutonium-238 are also used as nuclear fuel in certain types of nuclear reactors, but they are produced artificially through nuclear transmutation.

Hence, A. uranium-235 is the correct option.

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A student is given a sample of small mass of baking soda and a sample of vinegar. the carbon dioxide gas id formed. This is a chemical change.

The baking soda and the vinegar will react and form the gas, the gas formed is the carbon dioxide. The formation of the carbon dioxide will leads to the formation of the new bond. the reaction is the exothermic reaction . in exothermic reactions the heat is released during the chemical reaction. it needs the energy to break the baking soda and the vinegar and the energy is released when then carbon dioxide if formed.

This result in a chemical change . in the chemical change the formation of the new substances rakes place.

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Answer:

12 moles

Explanation:

The properties of wire of the fuse are given below:

1) Low melting point

2) high conductivity

3) Low ohmic loss

4) Free from Detraction

I hope it will help you

We require the equation to understand the process that occurs when X reacts with Y to form an ionic compound.The chemical equation for the formation of the ionic compound between X and Y would be: X + Y → XYwhere X represents the alkali metal in group I and Y represents a non-metal that is most likely in group VII. This equation represents the process of how the two elements react with each other to create an ionic compound.

Element X is found in group I of the periodic table, which means it belongs to the alkali metal group. Alkali metals are well-known for their reactivity, with the exception of lithium, which is the least reactive alkali metal. Alkali metals react with other elements to form ionic compounds. Let’s take a closer look at this process.Element X reacts with Element Y to create an ionic compound, which means that Element X becomes an ion in the process. Since Element X is an alkali metal, it has only one valence electron.

To form a positive ion, it loses this valence electron.Element Y, on the other hand, is probably a non-metal since it’s reacting with an alkali metal. Non-metals, unlike alkali metals, have a high electronegativity. As a result, they have a tendency to take electrons from other elements in order to complete their valence shells.

As a result, Element Y gains an electron in this instance.Since X loses its valence electron and Y gains an electron, X becomes a positive ion and Y becomes a negative ion. The resulting ionic compound is formed by the attractive forces between the positive and negative ions. The formula of the ionic compound is determined by the ratio of the ions present.

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Answer:

Add Iodine-KI reagent to a solution or directly on a potato or other materials such as bread, crackers, or flour. A blue-black color results if starch is present. If starch amylose is not present, then the color will stay orange or yellow