chem 2311 borneol rank these reagents in order of lowest hazard to most hazardous. without repeating the voluminous amount of information in the sds's, what stands ut about each compund, especially the one most hazardous?

Answer:

For 2. the answer is 15.0 mL

For other examples, you can solve by exact way as I have solved the 2nd example.

I have writen down all the balanced chemical reaction equation for examples 1, 3, 4, 5 for you. ( picture 2 )

Explanation:

Please see the step-by-step solution in the picture attached below.(picture 1)

Hope this answer can help you. Have a nice day!

The property of matter that is conserved in chemical reactions and shown by balanced equations is known as the Law of Conservation of Mass. According to this law, mass can neither be created nor destroyed in a chemical reaction; it can only be transformed from one form to another.For instance, when two substances are combined, they react and form a new substance.

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Based on the balanced equation, if we have 0.08 moles of Iron (Fe), we can conclude that 0.08 moles of Hydrogen (H₂) will be formed as well.

First we need to balance the chemical equation for the reaction involving Iron (Fe) and Hydrogen (H).

The reaction will be between Fe and HCl (hydrochloric acid) to produce hydrogen gas (H₂) and iron chloride (FeCl₂):

Fe + 2HCl → FeCl₂ + H₂

From the balanced equation, we can see that for every 1 mole of Fe reacted, 1 mole of H₂ is formed. Therefore, if we have 0.08 moles of Fe, we can conclude that 0.08 moles of H₂ will be formed as well.

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Answer:

thick, insulating fur

Explanation:

If an animal lives in a freezing climate, it makes sense logically that the animal would adapt and develop a layer of thick fur to keep its body insulated and maintain homeostasis.

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Answer:

C. NH₄Cl

Explanation:

The compound with the element ratio 1 : 4 : 1 from the given choices is NH₄Cl.

An element is a pure substance made up of distinct number of atoms. Elements are unique and are different from other elements because of the nature of their atoms.

We often delineate an element using chemical symbols.

   In the compound NH₄Cl;

There are 3 elements:

           Number of atoms

N                      1

H                      4

Cl                     1

Organic compound which has -OH as functional group is classified as alcohols while those with -COOH as functional group are classified as carboxylic acids.

Functional group is defined as a substituent or group of atoms or an atom which causes chemical reactions.Each functional group will react similarly regardless to the parent carbon chain to which it is attached.This helps in prediction of chemical reactions.

The reactivity of functional group can be enhanced by making modifications in the functional group .Atoms present in functional groups are linked to each other by means of covalent bonds.They are named along with organic compounds according to IUPAC nomenclature.

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The distribution of electrons in an element's atomic orbitals is described by the element's electron configuration. Atomic electron configurations are written using a standard notation.

Electron configurations define the arrangement of electrons around an atom's nucleus. Lithium, for instance, contains two electrons in the 1s subshell and one electron in the 2s subshell, according to its electron configuration, 1s22s1.

Determine the configuration of the neutral atom first before determining the electron configuration for an ion. Then, depending on the charge of the ion, either add or subtract electrons. For instance, start with neutral lithium (1s22s1) to get the configuration for the lithium-ion (Li+).

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Water is released and passes through a turbine to produce electricity.

A mechanical device called a turbine transforms the kinetic energy of moving water into mechanical energy. A generator is then used to turn this mechanical energy into electrical energy. A shaft connects the turbine and generator, allowing the turbine to spin the generator and generate power. The turbine's blades spin as the water passes past it, spinning the generator, which produces power. This method is referred to as hydropower and is a renewable energy source.

The ideas Faraday established form the foundation of how a generator works. He discovered that moving a magnet past a conductor makes electricity flow. In a large generator, electromagnets are made by circulating direct current through loops of wire wound around stacks of magnetic steel laminations. These are called field poles and are mounted on the perimeter of the rotor.

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Carbon Monoxide  is not likely to be affected by the filters or indoor air handling equipment.

Colorless, odourless, tasteless, and slightly less thick than air, carbon monoxide (chemical symbol: CO) is a toxic, combustible gas. One carbon and one oxygen atom are joined by three bonds to form carbon monoxide. It is the most basic carbon dioxide. The carbonyl ligand of coordination complexes is carbon monoxide. In many industrial chemistry processes, it is a crucial component.

When there is not enough heat or oxygen for carbon dioxide to be produced during the partial combustion of carbon-containing substances, carbon monoxide is most frequently produced. Many environmental and biological sources also produce and exhaust a sizable amount of carbon monoxide. It is crucial for the creation of numerous chemicals, including medicines, perfumes, and fuels. When carbon monoxide is released into the atmosphere, it influences a number of climate change-related processes.

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This chemical is known as lead (II) nitrate. It is an ionic assembly (salt compound) comprised of lead cations in the +2 oxidation state. With regard to the naming convention, each lead (II) cation is paired with two nitrate anions, each having a charge of -1.

Chemical nomenclature is a set of principles for naming chemical substances in a systematic manner. The International Union of Pure and Applied Chemistry designed and developed the most widely used nomenclature in the world (IUPAC).

The basic goal of chemical nomenclature is to guarantee that no ambiguity exists between a spoken or written chemical name and the chemical compound to which the name refers. Each chemical name should only relate to one substance.

It is required to indicate the charge of these cations or compounds containing these cations when identifying them. Ionic compounds are formed when cations and anions interact. The cation of an ionic compound is named first, followed by the anion. When writing their chemical formulae, they use the same format.

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Answer:

The pressure is equal to 0.775 atm.

Explanation:

Given that,

The atmospheric pressure on Stevens pass was measure to be 589mmHg.

We need to find the pressure in atm.

We know that,

1 standard atmosphere = 760 mm Hg

1 mm Hg = (1/760) standard atmosphere

589 mm Hg = (1/760)× 589 standard atmosphere

= 0.775 standard atmosphere

Hence, the pressure is equal to 0.775 atm.

Answer:

__3__parasitism-Ticks can attach to the skin of humans or other mammals.  The ticks feed on the blood to grow.

__1__mutualism-Nitrogen-fixing bacteria get a place to live and food in the roots of plants while helping the plant.

__2__commensalism-Bromeliads are plants that live in the tall trees in the rainforest. The tree is not harmed by them.

Explanation:

The word that describes each statement would be mutualism, commensalism, and parasitism respectively.

It is a form of interaction involving two organisms of different species.

There are different types of symbiotic interactions:

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The individual has to work longer and harder to attain a reward. As a result, a variable ratio schedule is more powerful in reinforcing behaviors and maintaining them. For instance, a person may earn $50 after completing several tasks, or they may need to complete more or fewer tasks to earn the reward.

When behaviors are being maintained, reinforcement schedules move from a fixed ratio to a variable ratio schedule.What are reinforcement schedules?Reinforcement schedules refer to the methods used by an organization or individual to improve, sustain, or eliminate specific behaviors in an individual or a group of people. The types of reinforcement schedules available include fixed interval, variable interval, fixed ratio, and variable ratio. Each of these schedules is dependent on the frequency, timing, and manner of administering rewards for reinforcing specific behaviors.When behaviors are being maintained, reinforcement schedules move from fixed to variable ratio schedule. A fixed ratio schedule (FR) is a schedule where reinforcement is offered after a fixed number of responses are made by the person. In other words, the individual must complete a particular number of responses to earn reinforcement or rewards. For instance, if an individual is rewarded for every ten push-ups completed, that is an FR schedule.A variable ratio schedule (VR) is a reinforcement schedule where rewards are given after an unpredictable or unknown number of responses or behaviors are performed. The individual has to work longer and harder to attain a reward. As a result, a variable ratio schedule is more powerful in reinforcing behaviors and maintaining them. For instance, a person may earn $50 after completing several tasks, or they may need to complete more or fewer tasks to earn the reward.

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Answer:

a. 0.0413 moles Zn

b. 0.0500 moles HCl

c. HCl is the limiting reactant

d. 0.0250 moles H₂

e. V = 0.56L

Explanation:

The reaction of Zn(s) with HCl is:

Zn(s) + 2HCl (aq) → ZnCl₂ (aq) + H₂(g)

Where 1 mole of Zn reacts with 2 moles of HCl.

a) To convert mass in grams to moles of a substance you need to use molar mass (Molar mass Zn: 65.38g/mol), thus:

2.70g Zn × (1mol / 65.38g) = 0.0413moles of Zn

b. Now, when you have a solution in molarity (Moles / L), you can know the moles of a volume of solution, thus:

Moles HCl:

50.0mL = 0.0500L × (1.00mol / L) = 0.0500 moles HCl

c. The limiting reactant is founded by using the chemical reaction as follows:

For a complete reaction of 0.0500 moles HCl you need:

0.0500 moles HCl × (1 mole Zn / 2 moles HCl) = 0.0250 moles Zn

As you have 0.0413 moles of Zn, and you need just 0.0250 moles for the complete reaction, Zn is the exces reactant and HCl is the limiting reactant

d.As HCl is limiting reactant and 2 moles of HCl react with 1 mole of H₂, moles of hydrogen formed are:

0.0500 moles HCl × (1 mole H₂ / 2 moles HCl) = 0.0250 moles H₂

e. Using PV = nRT, you can find volume of  gas, thus:

PV = nRT

V = nRT / P

Where P is pressure 1atm at STP, n are moles, R is gas consant 0.08206Latm/molK and T is absolute temperature 273.15K at STP.

V = 0.0250molesₓ0.082atmL/molKₓ273.15K / 1atm

V = 0.56L

Answer:

Convection currents transfer heat from one place to another by mass motion of a fluid such as water, air or molten rock. The heat transfer function of convection currents is what drives the earth’s ocean currents, atmospheric weather and geology. Convection currents form because a heated fluid expands, becoming less dense. The less-dense heated fluid rises away from the heat source. As it rises, it pulls cooler fluid down to replace it. This fluid in turn is heated, rises and pulls down more cool fluid. In geology, molten rock in the mantle rises up from the bottom of the mantle after becoming hotter and less dense from the heat of the earth’s core. As the rock loses heat into the earth’s crust, it becomes relatively cooler and more dense, sinking back down to the core.

Therefore your answers are:

A, Less dense material rising, denser material sinking.

C, Some sort of liquid cycle: rising when hot, falling by gravity when cooler.

B, The cycle of Earths Materials in the mantle.

A pot of soup cooking could be modeled as an example of a convection current but is not the definition of it.

Dye in a bucket of water that goes up and down is not an example of a convection current.

Cells be in osmotic equilibrium but chemical and electrical disequilibrium because water moves freely between most cells and the extracellular fluid

When the concentrations are equal on both sides of the membrane called osmotic equilibrium in cell  this results in zero osmotic pressure as there is no force needed to prevent any flow. in other words, the tonicity is the same on both sides of the membrane. by diffusion of water or solutes, osmotic balance ensures that optimal concentrations of electrolytes and non-electrolytes are maintained in cells in this method osmosis maintain equilibrium in the cell not chemical and electrical equilibrium that's why osmotic equilibrium in the cell but chemical and electrical disequilibrium in the cell.

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Answer:

A. The green light is absorbed

The melting of solid wax to form liquid wax and the evaporation of liquid wax to form wax vapor are physical changes. The burning of the wax vapor is a chemical change.

Answer:

What is an mass number?

Mass number is an integer (whole number) equal to the sum of the number of protons and neutrons of an atomic nucleus. In other words, it is the sum of the number of nucleons in an atom. Mass number is often denoted using a capital letter A. Contrast this with the atomic number, which is simply the number of protons.

Explanation:

The second row of the periodic table reflects second energy level which corresponds to 2 subshells obtained in this row.

Periodic table is arranged in rows and columns, the columns represents the group of the elements and the rows represents the energy level of the elements.

When we observe the second row of the periodic table, we will notice the following;

Thus, we can conclude that the second row of the periodic table reflects second energy level which corresponds to 2 subshells obtained in this row.

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Answer:

second row of the periodic table reflects second energy level which corresponds to 2 subshells obtained in this row.

Explanation:

The pair of elements that are most likely to form an ionic bond are, barium and oxygen. Correct answer: letter D.

Ionic bonds are formed when one atom donates electrons to another atom. Barium (Ba) is a metal with an atomic number of 56 and has two valence electrons. Oxygen (O) is a nonmetal with an atomic number of 8, and it needs two additional electrons to fill its outer shell. The electrostatic attraction between the two atoms is strong enough to form an ionic bond.

Ionic bonds are important in many different ways:

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The volume occupy at 415K and 12.3atm is 37.25ml.

Ideal gas:

An ideal gas is a theoretical gas composed of many randomly moving point particles that are not subject to interparticle interactions. It is one for which both the volume of molecules and forces between the molecules are so small that they have no effect on the behavior of the gas.

Here we have to find the volume occupied.

The formula for an ideal gas:

P1 V1 / T1 = P2 V2 / T2

V2 = P1 V1 T2 / T1 P2

P1 = 14.8atm

P2 = 12.3atm

V1 = 23.5 ml

T1 = 315K

T2 = 415K

Now putting these values in the equation we get:

V2 = (14.8× 23.5 × 415)/ ( 12.3 × 315)

     = 144,337 / 3874.5

    = 37.25 ml

Therefore the 37.25ml is the volume.

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When an imine is reduced to an amine, a hydrogen signal is observed in the nuclear magnetic resonance (NMR) spectrum that is indicative of the newly formed amine group.

Specifically, a broad singlet peak is typically observed in the NMR spectrum at around 2-3 ppm, which corresponds to the protons attached to the nitrogen atom in the amine.

This peak is distinct from the peak observed for the protons attached to the carbon atoms in the molecule, which typically appear as sharp peaks at around 0-2 ppm in the NMR spectrum.

Additionally, the chemical shift of the amine proton peak is typically lower than that of the imine proton peak, which is typically observed at around 6-8 ppm in the NMR spectrum.

Therefore, the presence of a broad singlet peak at around 2-3 ppm in the NMR spectrum is strongly indicative that the imine has been successfully reduced to the amine.

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To clean powder fouling, corrosion, and dirt from outside parts of the lower receiver and extension assembly, one should use the best quality cleaning materials and methods.

Powder fouling, corrosion, and dirt can accumulate on the outside parts of the lower receiver and extension assembly, making it hard to maintain the rifle. It is essential to clean the weapon regularly to maintain its efficiency and longevity.

The following cleaning materials are required for the cleaning process:

Cleaning solvent

Cleaning brush

Microfiber cloth

Lubricant

The best solvent to use when cleaning the rifle is a powder solvent. This is because it is specifically designed to remove fouling from firearms. It is also essential to use a cleaning brush made of brass, nylon, or synthetic material to avoid damaging the parts of the lower receiver and extension assembly.

Brass brushes are best for removing fouling, while nylon and synthetic brushes are gentle on the metal parts and help prevent corrosion. Avoid using a steel brush when cleaning the rifle since it may scratch or damage the surface of the metal.Lubricant is also essential in maintaining the rifle. It helps keep the moving parts smooth and minimizes friction between metal parts.

A high-quality lubricant should be used, and the excess should be wiped off with a microfiber cloth. To clean the weapon, apply the cleaning solvent onto the brush and scrub the outside parts of the lower receiver and extension assembly, then wipe it off with a microfiber cloth. Ensure the surface of the metal parts is dry before applying lubricant. Apply lubricant to moving parts of the weapon.

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Calcium Dihydrogen Phosphate has the proper chemical formula Ca(H₂PO₄)₂.

The inorganic compound Ca(H₂PO₄)₂ is known as monocalcium phosphate. Ca(H2PO4)2H2O is frequently encountered as the monohydrate. Both salts are solids without color. They are mostly employed as superphosphate fertilizers, while they are also widely utilized as leaveners.  Calcium Dihydrogen Phosphate hydrate is used in the production of glass, as a plastics stabilizer, and as a pH control reagent. When Calcium Hydroxide is neutralized with Phosphoric Acid, Phosphate Dihydrate precipitates as a solid, yielding Dicalcium Phosphate. The fact that dicalcium phosphate is safe for people is a very significant characteristic.

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A reaction that requires energy would be spontaneous.

A spontaneous process is one in which we can proceed without additional input of energy releasing free energy and then moves to a lower more stable thermodynamical state.

Therefore, A reaction that requires energy would be spontaneous process. (option b)

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Answer:

Medical Scientists  and  Biochemists and Biophysicists

Hope This Helps!!

Answer:

its Medical Scientists  and  Biochemists and Biophysicists

Explanation:

i got it right

The statement that describes a phase change that could occur for water is "At -1.0°C, water transitions from a solid to a liquid as the pressure increases from 0.05 atm to 500 atm."

This is because at -1.0°C, water is in a solid state, but as pressure increases, the molecules gain energy and start to move more freely, causing the phase change from solid to liquid. However, it is important to note that water does not transition from a solid directly to a gas, as stated in the first option, without passing through the liquid phase. Additionally, water does not transition from a gas to a solid, as stated in the fourth option, without passing through the liquid phase first. Understanding phase changes in water is important in many scientific fields, such as in weather and climate studies and in the study of materials science.

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The statement that describes a phase change that could occur for water is: At -1.0°C, water transitions from a solid to a liquid as the pressure increases from 0.05 atm to 500 atm.

A phase change refers to a transition from one state of matter to another. Water is known to exist in three phases, namely solid, liquid, and gas. These phase changes are influenced by temperature and pressure.
The statement above describes the process of sublimation, where solid water (ice) is converted to gas (water vapor) without passing through the liquid phase. However, this is not a feasible phase change scenario since it violates the laws of thermodynamics.
At a pressure of 200 atm and a temperature of -1.0°C, water should exist in the liquid phase. At this pressure, water is prevented from vaporizing at a lower temperature. Conversely, at a pressure of 500 atm and -1.0°C, the ice will melt and transition to liquid water. Increasing the pressure makes it more difficult for water to remain in its solid phase, hence the phase change. This shows how pressure and temperature can influence the phase of water.

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When both parents shared different traits either it will be heterogeneous or homogenous traits,in that case offspring traits neither belongs to parents.However,chances are very that traits of children neither belongs to parents.

Unaffected parents can create impacted offsprings assuming that the two guardians are transporters (heterozygous) for the attribute being followed in the family. Latent traits are normally not communicated in each age. Finally, guys and females are similarly prone to communicate a latently acquired characteristic.

In the event that the latent characteristic is more than prevailing, the recessive traits will really become predominant and the predominant attribute will become recessive.Recessive alleles are meant by a lowercase letter (a versus A). Just people with an aa genotype will communicate a latent characteristic; consequently, posterity should get one passive allele from each parent to display a latent traits.

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