build the orbital diagram for the ion most likely formed by phosphorus.

Answer:

Explanation:

4,5 diethyl-2 fluoro-3-methylheptanal

Answer:

A .987

Explanation:

Guy above me is correct

The rank based on the effect of the given factors on the calcification rate is as follows;

Calcification rate is the rate at which organisms such as corals, mollusks, and algae secrete calcium carbonate to form their hard skeletons or shells.

The calcification rate is influenced by various environmental factors such as temperature, pH, and the availability of calcium and carbonate ions.

Considering the effect of the given factors on the calcification rate;

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Answer:

4.25*10^18

Explanation:

1 mole =6.023*10^23 particles

so 7.07*10^-6 mole=6.023*10^23*7.07*10^-6 particles=4.25*10^18 particles

Answer:

1.8066e+24 is the answer

Answer:

defined the objective of the lab, showing critical thinking skills.

Answer:

number of protons in a nucleus

Explanation:

number of protons in a nucleus.  The number of protons in the nucleus is, by definition, the atomic number.

When substances are dissolved in water, they create a solution. Substances such as ionic compounds, polar and non-polar molecules, and acids/bases have different properties when they dissolve in water. These differences in behavior are due to the chemical and physical properties of the substances being dissolved.

Ionic Compounds: When an ionic compound dissolves in water, it dissociates into its constituent ions. The cations and anions separate and move apart from each other in solution. The dissociation is facilitated by water's polar nature. Because water molecules have a positive and negative end, they surround the ions in solution and pull them apart. For example, when NaCl (sodium chloride) dissolves in water, it dissociates into Na+ and Cl- ions, which are then surrounded by water molecules.

Polar Molecules: Polar molecules are those that have an uneven distribution of electron density across the molecule. Because water is also a polar molecule, polar substances dissolve well in water. Water molecules surround the polar molecules, pulling them apart and solvating them. For example, sugar (a polar molecule) dissolves in water because the water molecules surround it, break its bonds, and dissolve it.

Non-Polar Molecules: Non-polar molecules are those that do not have an uneven distribution of electron density across the molecule. Because water is a polar molecule, non-polar substances do not dissolve well in water. When non-polar substances are placed in water, the water molecules do not surround them or pull them apart. Instead, the non-polar molecules clump together and are expelled from the water. For example, oil is a non-polar substance that does not dissolve in water because the water molecules do not interact with the oil.

Acid/Bases: Acids and bases behave differently when dissolved in water. Acids donate protons (H+) to water molecules, creating H3O+ ions, while bases accept protons from water molecules, creating OH- ions. The concentration of H3O+ and OH- ions in a solution determines the acidity or basicity of the solution. For example, when HCl (hydrochloric acid) is dissolved in water, it donates a proton to a water molecule, creating H3O+ and Cl- ions. The H3O+ ions give the solution an acidic pH.

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Answer:

Knowing your lab equipment and their names will aid in having a successful experiment and may help in correcting errors.

If you do not know your lab equipment, that will only result in having a lack of knowledge of the equipment or not knowing how to correct a mistake in an experiment.

Explanation:

Hope I helped.

Answer:

Explanation:

2 S-II - 12 e- → 2 SIV (oxidation)

6 O0 + 12 e- → 6 O-II (reduction)

2 HgS (s) + 3 O2 (g) → 2 HgO (s) + 2 SO2 (aq)

This is an oxidation-reduction (redox) reaction:

2 S-II - 12 e- → 2 SIV (oxidation)

6 O0 + 12 e- → 6 O-II (reduction)

HgS is a reducing agent, O2 is an oxidizing agent.

The coefficients added to Hg S, 02, Hg O and SO2 to balance this equation are 2, 3, 3,2 respectively.

A balanced equation has the same number of atoms on the reactant and product sides for each element involved in the reaction.

The balanced equation for this reaction is:

2HgS + 3O2 -------> 2HgO + 2SO2

This chemical reaction demonstrates the conservation of mass as the same number of atoms of each element appear on either side of the equation.

This means that the total mass of atoms on the reactant side of the equation will equal the total mass of atoms on the product side of the equation.

Therefore the coefficients added to Hg S, 02, Hg O and SO2 to balance this equation are 2, 3, 3,2 respectively.

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Answer:

No

Explanation:

There are no interactive forces (i.e., attraction or repulsion) between the particles of a gas.

The average kinetic energy of gas particles is proportional to the absolute temperature of the gas, and all gases at the same temperature have the same average kinetic energy.

The human health effects of various nanomaterials in consumer products are largely unknown at present.

Nanomaterials have unique properties that differ from their non-nano counterparts, and their potential health effects on human health are largely unknown at present. Although some research has been conducted to investigate the safety of nanomaterials, the limited data available makes it difficult to determine the potential risks associated with exposure to these materials.

Due to their small size, shape, and surface properties, nanomaterials may behave differently in the human body than their non-nano counterparts, which could lead to different health effects. Therefore, it is important to continue studying the potential health effects of nanomaterials in order to ensure that they can be used safely in consumer products. Until more data is available, it is difficult to determine the extent of the potential health effects of nanomaterials, and caution should be exercised when using these materials.

Therefore, the human health effects of various nanomaterials in consumer products are largely unknown at present.

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Answer:

The RMM of Ca (OH)2 is

40+ (16+1)2

40+(17)2

40+34

74

The RMM of Al2SO4 is

(27×2)+32+(16×4)

54+32+64

=150

Explanation:

Note that the RAM of:

Ca=40

O=16

H=1

Al=27

S=32

The amount of water removed from every kilogram of commercial sea salt would be 27.57 kg.

Seawater contains 3.5% sodium chloride by mass. This means every 1 kg of seawater contains 0.035 kg of sodium chloride.

Sea salt contains about 10% water. This means every 1 kg of sea salt contains 0.1 kg of water.

In order to calculate the amount of water removed from every kilogram of commercial sea salt produced, we need to know the amount of seawater that will give 1 kilogram of sea salt.

We said every 1 kg of seawater contains 0.035 kg of salt. How many 0.035 kg can be found in 1kg?

1/0.035 = 28.57

This means 28.57 kg of seawater would need to be processed in order to have 1 kg of salt. Thus, the amount of water removed can be calculated as:

28.57 - 1 = 27.57 kg

In other words, about 27.57 kg of water is removed for every kilogram of commercial salt produced.

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The molarity of the sodium ion is 0.31 M while the molarity of the sulfate ion is 0.62 M.

First of all, we would have to establish that the molarity would be the same as the concentration of the substance. We know that we can be able to obtain the concentration from the number of moles and the volume of the solution thus we would need to use the mass the substance that we have to be able to obtain the number of moles of the solution that we have.

Mass of the sodium sulfate = mass/molar mass

18 g/142 g/mol

= 0.13 moles

Now we know that;

Molarity of the substance = 0.13 moles/0.21 L

= 0.62 M

Number of moles of the sodium ions = 0.62 M/2 = 0.31 M

Number of moles of the sulfate ions =  0.62 M

These are the ions in the solution.

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Answer:

You confirm the units involved, which would make you to understand the factors required.

Explanation:

Conversion of units is a process in which a given unit of a physical quantity is accurately transformed into another. Example, when the mass of a substance in grams is converted to kilograms. Or conversion of a given quantity of substance from liters to gallons.

When conversion is required, the first thing to do is to determine the units involved. That is, which unit do you want to convert to the required unit. This would give the understanding of the factors that are needed.

Answer:

A. It can travel through empty space

Explanation:

Unlike sound it light can travel at an empty space or vacuum.

Hope it helps <3 and Amen.

Answer:

the answer on plato / edmentum is A B and D

Explanation:

hope this helps <3

Answer: There is equal number of each type of atom on the reactant and product side.

Explanation:

The mass of alcohol with a density of 0.900 g/cm^3 that will have the same volume as 20 g of mercury with a density of 13.6 g/cm^3 will be 1.32 grams.

The density of a substance is given by the following formula:

Density = Mass/Volume

As 20 grams of mercury is given, we can calculate its volume using the above formula

13.6 = 20/Volume

The volume of mercury comes out to be 1.47 ml.

As the volume of mercury and alcohol is given the same in the question, we can calculate the mass of alcohol by again using the same formula

0.900 = Mass/1.47

Mass = 1.32 g

Hence, the mass of alcohol with a density of 0.900 g/cm^3 that will have the same volume as 20 g of mercury with a density of 13.6 g/cm^3 will be 1.32 grams.

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In chemical change, the chemical composition of substance changes while in physical changes the chemical composition remains the same.

Chemical changes are defined as changes which occur when a substance combines with another substance to form a new substance.Alternatively, when a substance breaks down or decomposes to give new substances it is also considered to be a chemical change.

There are several characteristics of chemical changes like change in color, change in state , change in odor and change in composition . During chemical change there is also formation of precipitate an insoluble mass of substance or even evolution of gases.

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Explanation:

You're mixing magnesium nitrate, Mg(NO3)2 , and sodium carbonate, Na2CO3 , two soluble ionic compounds that dissociate completely in aqueous solution to form cations and anions.

This problem is providing a mathematical expression which the result should be expressed with the correct significant figures. At the end, the result is 1209.0 because of the following:

In science, the use of significant figures is crucial as long numbers are not necessarily required when reporting a numerical value, for that reason the importance of reporting measurements with the correct number of significant figures.

In the case of additions, we perform the normal operation as the first step:

1204.2 +4.79613 = 1208.99613

Next, we round the result to the least number of decimal places, in this case one because 1204.2 has just one decimal place, unlike the 4.79613 which has five, so that we round the 8 up to 9 and leave a 0 as the only decimal place:

1209.0

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Answer:

process of depositing a thin layer of any superior metal over an object of a cheaper metal, with the help of electric current

Explanation:

I hope this help have an great day and stay health

answer✅☑️✔️️

1.0×10^-11

Answer:

Good morning!!!

Explanation:

Answer:

6.475 M

Explanation:

Number of moles = 25.9 moles

Volume = 4.00 L

Molarity = ?

The relationship between the quantities is given as;

Molarity = Number of moles / Volume

Molarity = 25.9 / 4

Molarity = 6.475 M