what relationship there is between salinity and light transmittance.

Answer:

ZnBr2

Explanation:

KNO3 + LiOH -------> no reaction

This is because KNO3 and LiOH completely ionize.in water and form neutral solutions.Since both are neutral no reaction occurs

NH4Cl + LiOH -----> NH3 (aq) + H2O (l) + LiCl(aq)

None of the above products are precipitates

Ca(C2H3O2)2 + 2LiOH -----> Ca(OH)2 (aq) + 2LiC2H3O2 (aq)

ZnBr2 + 2LiOH -----> Zn(OH)2 (s) + LiBr2 ( aq)

Zn(OH)2 thus formed is a white precipitate

However when excess LiOH is added Zn(OH)2 precipitate will dissolve to give a clear solution of Li2ZnO2 .

You can remember this by the fact that Na,K,Rb,Cs,Ca,Sr,Ba hydroxides are soluble in water and all other hydroxide are precipitated in water

Zn(OH)2 (s) + 2 LiOH ------> Li2ZnO2(aq) + 2 H2O ( l)

The only compound that will form a precipitate with LiOH would be ZnBr2

These are double displacement reactions in which precipitates are produced. Precipitates are insoluble solids formed from the combination of ions in aqueous solutions.

In this case, a reaction between LiOH and ZnBr2 would be as follows;

2LiOH + ZnBr2 ----------> 2LiBr + Zn(OH)2 (s)

Zn(OH)2 is an insoluble salt and will precipitate out in the solution.

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Answer:

write the following as fractions in their simplest form

Energy flows from the plankton to a number of other organisms when the plankton are eaten.

If all the plankton decreased it would increase the levels of carbon in our air, which would not only make climate change, but also make it difficult for humans to breathe.

What is plankton?

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Answer:I need it

Explanation: I have the same quision in my chemistry exam but i dont have the answer

Answer:

in fractional distillation we look at different boiling point of the mixture

Explanation:

argon will be separated from the mixture first because it has the lowest boiling point

The mixture of elements of gases of neon,argon, krypton and xenon can be separated using  fractional distillation as the  have difference in their boiling points.

An element is defined as a substance which cannot be broken down further into any other substance. Each element is made up of its own type of atom. Due to this reason all elements are different from one another.

Elements can be classified as metals and non-metals. Metals are shiny and conduct electricity and are all solids at room temperature except mercury. Non-metals do not conduct electricity and are mostly gases at room temperature except carbon and sulfur.

The number of protons in the nucleus is the defining property of an element and is related to the atomic number.All atoms with same atomic number are atoms of same element.

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One treatment method for acute iron toxicity is the administration of chelating agents.

Chelating agents are substances that bind to the excess iron in the body, forming stable complexes that can be excreted through urine or feces. One commonly used chelating agent for iron toxicity is deferoxamine.

It forms a complex with iron, allowing it to be eliminated from the body.

Additionally, in severe cases, supportive care may be provided, including the administration of fluids, oxygen therapy, and treatment for symptoms such as vomiting or diarrhea.

It is essential to seek immediate medical attention in cases of iron toxicity to receive appropriate treatment and prevent further complications.

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The modern periodic law states that the physical and chemical properties of the elements are periodic functions of their atomic numbers. The elements are arranged in the increasing order of their atomic numbers.

Here the element Lithium is a alkali metal which is located in the group 1 of the periodic table and placed in the second period. Its atomic number is 3. Alkali metals are highly electropositive and are good reducing agents.

Lithium reacts with the elements of groups 16 and 17 and form compounds, they also burn in oxygen and react with water.

The reaction of lithium with water is:

2Li + 2H₂O → 2LiOH + H₂

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First calculate the number of moles of CaBr2 given the molar mass of 17.48 g/mol.

moles CaBr2 = 0.9182 g / (199.89 g / mol) = 4.60 x 10^-3 mol

We see that each CaBr2 contains only 1 mole of Ca, so the moles of Ca is also:

moles Ca+ = 4.60 x 10^-3 mol

So the molarity of this is:

Molarity Ca+ = 4.60 x 10^-3 mol / 0.500 L

Molarity Ca+ = 9.19 x 10^-3 M

The amount of a chemical compound contained in a sample, expressed as the number of moles in the sample and quantified in moles, is used to compute the molar mass of the substance. The molar mass of a substance is a bulk property rather than a molecular property. The substance's molar mass is an average over numerous samples, many of which frequently have different values because of isotopes. The molar mass is a function of the relative abundance of the isotopes of the constituent elements on Earth and is most frequently estimated using the standard atomic weights.

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Answer:

when it reduces heat.

Explanation:

Thermal energy is transferred to material,the motion of its particles speeds up and it's temperature differences.Insulating materials are bad conductors and so this reduces the heat loss by conduction.The material also prevents air circulating inside the cavity,therefore reducing heat loss by convection.Heat loss through the roof can be reduced by laying loft insulation.

An object is said to be accelerated if there is a change in its velocity. The change in the velocity of an object could be an increase or decrease in speed or a change in the direction of motion. The acceleration of the parachute is -8.88 m/s².

The rate of change of velocity with respect to time is defined as the acceleration. It is a vector quantity which has both magnitude and direction. It is the second derivative of position and first derivative of velocity.

Acceleration = Vf - Vi / t

45 - 85 / 4.5 = -8.88 m/s²

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Answer:

because it's composed of two elements, hydrogen and oxygen. water is technically a molecular compound tho, for it has two hydrogens.

Answer:

The formula for the anhydrous compound that was part of the mixture called natron that was used by the Egyptians is Na2(CO3)10(H2O).

They use this compound for medicine, cookery, agriculture, in glass-making and to dehydrate egyptian mummies.

Compound of sodium carbonate and sodium bicarbonate was the name of the resulting hydrate that formed.

Answer:

flow

Explanation:

Answer:

Both liquid and gas particles can slide past one another, this is known as the ability to flow.

All of the examples listed could be considered to exhibit well-designed structures supporting well-designed functions, but the level at which they are designed may differ.

A squirrel's teeth and jaws are well-designed structures that allow them to strip open sunflower seeds, which is a well-designed function for obtaining food. Similarly, an otter's use of a pebble as a tool to break into a mussel shell is also an example of well-designed structures supporting well-designed functions.

A molecule of the correct dimensions storing information is an example of a well-designed structure at the molecular level that supports the well-designed function of storing genetic information. Likewise, enzymes are also well-designed structures that catalyze specific chemical reactions, and the breaking of a specific covalent bond to generate a specific molecular product is an example of a well-designed function.

Therefore, the correct answer is: all of the above.

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The Omnipotent view of management refers to the belief that managers are directly responsible for an organization's success or failure. According to this view, managers have the power and control to make decisions that will significantly impact the organization's performance.

In terms of the organizational environment, ABC CO needs to focus on several aspects. Firstly, it should prioritize building strong relationships with customers by understanding their needs and delivering value through its products or services. Secondly, maintaining good relationships with suppliers is crucial to ensure a reliable supply chain and access to necessary resources. Thirdly, keeping a close eye on competitors is essential to stay competitive and identify opportunities for differentiation. Lastly, monitoring and adapting to economic, legal, and socio-cultural factors is vital to ensure compliance with regulations and aligning the organization with societal trends and expectations.

In conclusion, the Omnipotent view of management emphasizes the influence of managers in shaping organizational outcomes, while the Symbolic view recognizes the significance of external factors. For the current state of ABC CO, a balanced approach that considers both internal and external factors would be beneficial. The culture should promote collaboration, innovation, and adaptability, while the organization should focus on building strong relationships with customers, suppliers, and competitors while adapting to the economic, legal, and socio-cultural environment.

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Answer:

5 on k-12 that's the answer

Explanation:

Explanation:

nah so easy

it's a direction of electron spinning in the shell

+½ means electron spinning in clockwise direction

-½ means electron spinning in anticlockwise direction

Explanation:

Using the formula ΔTb = Kb x molality, where ΔTb is the change in boiling point, we can solve for it and add it to the boiling point of pure water to find the boiling point of the KCl solution.

ΔTb = Kb x molality

ΔTb = 0.512 °C/m x 0.74 molal

ΔTb = 0.37968 °C

Boiling point of KCl solution = 100.00 °C + 0.37968 °C

Boiling point of KCl solution = 100.38 °C

Therefore, the boiling point of the KCl solution is 100.38 °C.

Answer:

Chemistry is a useful study for later in life, and gives you a basic understanding on what happens when and why compounds mix together.

The speed of the particles rises with the temperature of the solid, liquid, or gas. The particles slow down with decreasing temperature.

A liquid can turn into a solid if it is cooled down far enough.

The average kinetic energy of the molecules falls as a liquid cools.

The liquid eventually turns into a solid when the quantity of heat removed is sufficient to cause the molecules to be attracted to one another.

Freezing is the process of transitioning from a liquid to a solid.

It loses thermal energy when the liquid cools. Its constituent particles therefore decelerate down and converge.

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Answer:

ok i dont get your question fully but i'll answer

When copper sulfate is dissolved in water in a beaker, a bright blue liquid or solution is formed. If copper sulfate is added until no more will dissolve, a saturated solution is formed. And some blue crystals will remain at the bottom of the beaker due to crystallization reaction. It is the process by which a solid form, where the atoms or molecules are highly organized into a structure known as a crystal.

molar mass of sucrose is 342 g/mol.

Concept:

It is the substance's molecular mass. M is the abbreviation for it, and g/mol is the standard unit for measuring molar mass.

Given:

Sucrose (C12H22O11)

Find:

Calculate the molar mass of the powdered fruit drink mix, made from sucrose (C12H22O11).

Solution:

The molar mass of carbon = 12 g/mol

The molar mass of hydrogen = 1 g/mol

The molar mass of oxygen = 16 g/mol

Thus, the molar mass of sucrose can be calculated as:

C12H22O11 12 C + 22 H + 11 O

= 12 12 g/mol + 22 * 1 g/mol + 11 * 16 g/mol

= 144 g/mol + 22 g/mol + 176 g/mol = 342 g/mol

Therefore, the molar mass of sucrose is 342 g/mol.

Hence, the molar mass of the powdered fruit drink mix, made from sucrose

Hence, the molar mass of the powdered fruit drink mix, made from sucrose(C12H22O11) is 342 g/mol.

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Answer:

matter is any substance that has mass and takes up space by having volume. ... 

The substances that are compound are the correct option is  : iii. water iv. sodium chloride.

The compounds are the substance formed by combining the two or more chemical elements together. The compounds are the substances that is homogeneous in the mixture. The bonding in the substances that are compound is the covalent bonding or the ionic bonding.

The water is compound and the bonding present in the water is type of covalent bonding. The sodium chloride, NaCl is also a compound and the type of bonding present is the ionic bonding.

Thus, the sodium chloride and the water are the compounds.

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Answer:

c

Explanation:

but I'm not 100 percent sure.

The inner core is solid, fourth layer and made out of iron and nickel. It's the one mostly in charge for the other layers. If the inner core stopped spinning, the outer core would lose its magnetic field, and this will be bad because of the sun's radiation wave. Including the other layers.

The outer core is the liquid, third layer. It's in charge of Earth's magnetic field.

The mantle is the second layer of earth, the original temperature can come up about to 1000+ or more, celsius.

The molar mass of the unknown gas is approximately 130.2 g/mol. Considering that it's made up of atoms and given its molar mass, the most likely chemical formula of the gas is Xe (xenon). Xenon has a molar mass of approximately 131.29 g/mol, which is close to the calculated value.

Based on the given information, we can determine the chemical formula of the gas using Graham's Law of Effusion. Graham's Law states that the rate of effusion of a gas is inversely proportional to the square root of its molar mass. The formula is:

Rate1 / Rate2 = √(M2 / M1)

Here, Rate1 is the rate of effusion for the unknown gas, Rate2 is the rate of effusion for Cl2, M1 is the molar mass of the unknown gas, and M2 is the molar mass of Cl2.

Since the unknown gas escapes 0.735 times as fast as Cl2, we can set up the equation:

0.735 = √(M2 / M1)

Now, we need to find the molar mass of Cl2. Chlorine has a molar mass of approximately 35.45 g/mol. Cl2 has two chlorine atoms, so its molar mass is:

M2 = 2 * 35.45 = 70.9 g/mol

Next, we need to solve for M1:

0.735 = √(70.9 / M1)

Square both sides of the equation:

0.735^2 = 70.9 / M1

M1 = 70.9 / 0.735^2

M1 ≈ 130.2 g/mol

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X(N03)2

Given: Consider a hypothetical atom x

molecular formula of calcium nitrate = Ca(NO3)2

formula of x chloride is xcl2

molecular formula for x nitrate = ?

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The most important type of intermolecular attraction responsible for solvation in the ethanol-water solution is hydrogen bonding.

Hydrogen bonding is the most important type of intermolecular attraction in the ethanol-water solution. Ethanol (\(C_2H_5OH\)) is a polar molecule with a hydroxyl (-OH) group, which contains a highly electronegative oxygen atom and a hydrogen atom bonded to it. Water (\(H_2O\)) also has a polar structure with oxygen being highly electronegative. The oxygen atom in water can form hydrogen bonds with the hydrogen atom in ethanol, resulting in strong intermolecular attractions between the molecules. This hydrogen bonding allows ethanol to dissolve in water, forming a homogeneous mixture. The oxygen atom in water attracts the positively charged hydrogen atom in ethanol, and the hydrogen atom in water attracts the negatively charged oxygen atom in ethanol, creating an intermolecular network that stabilizes the solvated system. The presence of hydrogen bonding between ethanol and water molecules facilitates the dissolution of ethanol in water, making it the most important type of intermolecular attraction in this solution.

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Answer: