whether an allele is dominant or recessive depends on

The initial temperature of the system is 90 degrees.

We have to note that number of moles of the Cesium Hydroxide can be obtained from; 7.21 grams/150 g/mol

= 0.048 moles

Energy that we have in this case is; -71.55 kJ/mol. * 0.048 moles

= -3.4 kJ or -3400J

Then we have that;

H = mcdT

H = heat

m = mass of the water

c = Heat capacity of the water

dT = temperature change

Thus we have;

-3400 = 175 * 4.2 * (85 - T)

-3400 = 62475 - 735T

-3400 - 62475 =  - 735T

T = -3400 - 62475/  - 735

T = 90 degrees

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The determination of the acetic acid concentration in a titration with sodium hydroxide (NaOH) will be affected if the volume of acetic acid used in the titration is changed from 5 mL to 15 mL.

In a titration, the volume of a solution of known concentration (the titrant) is added to a solution of unknown concentration (the analyte) until the reaction is complete. The concentration of the analyte can be determined by monitoring the volume of the titrant required to react with the analyte.

In the case of a titration of acetic acid ([tex]CH_{3}COOH[/tex]) with sodium hydroxide (NaOH), the reaction between the two occurs as follows:

[tex]CH_{3}COOH+NAOH - > CH_{3}COONa + H_{2} O[/tex]

The reaction is complete when the equivalence point is reached, which is the point at which all the acetic acid has reacted with the sodium hydroxide. At the equivalence point, the volume of sodium hydroxide required to react with the acetic acid can be used to determine the concentration of the acetic acid.

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Scientific notation is a technique for composing exceptionally huge or small numbers in a smaller and simple to-utilize structure, while ordinary notation is the standard approach to composing numbers.

In scientific notation, a number is communicated as the result of a number somewhere in the range of 1 and 10 and a force of 10. For instance, the number 5,000 can be composed as 5 x [tex]10^3[/tex] in scientific notation.

Then again, ordinary notation composes a number utilizing the standard decimal spot esteem system. For example, 5,000 can be composed as 5000 in ordinary notation.

Scientific notation is usually utilized in numerous scientific and specialized fields, like physical science, science, and engineering since it considers simpler estimations and examinations of enormous and small numbers.

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Ions are charged particles, because of this charge separation, positively charged K+ ions are drawn to the negatively charged extracellular fluid (ECF), while negatively charged A- ions from intracellular fluid (ICF) are drawn away from the positively charged ECF. The ion pumps and channels in the cell membrane only enable particular ions to go in and out of the cell in a regulated manner, keeping the concentration of ions and their charges in balance. This allows the cells to remain at resting membrane potential and carry out their physiological functions.

Ion pumps and channels in the cell membrane regulate ion flow between the ICF and ECF, which are selective in their permeability to specific ions based on their charges and size. Ion charges are critical in maintaining a balance between cation and anion concentrations in the ICF and ECF, resulting in electrical neutrality.

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The statement that "like charges repel and opposite charges attract" is a basic principle of electrostatics and is based on the nature of electric charges. This principle applies to all charged particles, including ions in the intracellular fluid (ICF) and extracellular fluid (ECF) of a biological system. However, the movement of ions between the ICF and ECF is not solely determined by this principle.

In biological systems, the movement of ions between the ICF and ECF is regulated by a complex system of membrane transport proteins and ion gradients. The concentration of ions in the ICF and ECF is maintained by a delicate balance of ion pumps, channels, and exchangers that are located on the cell membrane. These transport proteins are responsible for creating and maintaining ion gradients across the membrane, which drive the movement of ions into and out of the cell.

For example, the concentration of potassium ions (K+) is higher in the ECF than in the ICF, while the concentration of sodium ions (Na+) is higher in the ICF than in the ECF. This creates an electrochemical gradient that drives the movement of potassium into the cell and sodium out of the cell, maintaining the ionic balance.

In summary, the movement of ions between the ICF and ECF is not solely determined by the principle of like charges repelling and opposite charges attracting. Instead, it is regulated by the complex interplay of ion gradients and membrane transport proteins.

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Any chemical containing 1 mole contains 6.022x1023 molecules. Similar to how 1 molecule of SF6 contains 0.00425 moles of sulphur hexafluoride.

An inorganic substance having the chemical formula SF6 is sulphur hexafluoride. It is a gas that is harmless, colourless, odourless, and non-combustible. Six fluorine atoms are bonded to the central sulphur atom of the molecule SF 6, which has an octahedral structure. This chemical has a high valentine. In the energy sector, SF6, a synthetic, odourless gas, is used to preserve the security and dependability of networks. It won't interact with other substances in a way that would change its behaviour or lessen its effectiveness due to its high degree of stability, lack of toxicity, lack of flammability, and electronegative character. Molecular weight / molecular mass equals the number of moles. Given that SF6 has a molecular weight of 4g, the calculation is SF6 = 4/146 = 0.027.

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The half - life (in mins) of the N₂O₅ If it is decomposes with the rate constant of 5.7 × 10⁻⁴ s⁻¹ is 20 min.

The rate constant for the  reaction is given as :

The rate constant = 5.7 × 10⁻⁴ s⁻¹

The half - life expression is given as :

The half - life, t 1/2 = 0.693 / k

where,

k = 5.7 × 10⁻⁴ s⁻¹

The half - life, t 1/2  = 0.693 / 5.7 × 10⁻⁴ s⁻¹

The half - life, t 1/2 = 1.2 × 10³ s

The half - life, t 1/2 = 20 min

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The number of moles in 2.11 x [tex]10^{22[/tex] molecules of [tex]H_2SO_4[/tex] would be 0.035 mol.

According to the established standard by Avogadro, there is 1 mole in 6.022 x [tex]10^{23[/tex] molecules of substances. This is irrespective of the substance.

6.022 x [tex]10^{23[/tex] molecules = 1 mole

Now, the equivalent number of moles in 2.11 x [tex]10^{22[/tex] molecules of [tex]H_2SO_4[/tex] would be:

2.11 x [tex]10^{22[/tex]/6.022 x [tex]10^{23[/tex]  = 2.11/60.22 = 0.035 mol

In other words, the number of moles in 2.11 x [tex]10^{22[/tex] molecules of [tex]H_2SO_4[/tex]  is 0.035 mol.

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If you spill hydrochloric acid on your skin, rinse the affected area immediately with large amounts of water for at least 20 minutes.

Do not try to neutralize the acid with any other substance as this can cause further damage. Remove any contaminated clothing and rinse the affected skin thoroughly with water. Seek medical attention immediately, especially if the acid has caused a deep wound or has been in contact with the eyes.

It's important to remember that hydrochloric acid can cause serious chemical burns and can be extremely damaging to the skin and eyes. Prompt first aid measures can prevent further damage and reduce the risk of long-term complications. Additionally, it's important to always wear protective gear such as gloves and goggles when handling any type of hazardous chemical.

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During cellular respiration, ATP is created when glucose and oxygen combine. As byproducts, carbon dioxide and water are emitted.

Water and carbon dioxide are changed into oxygen and sugar during photosynthesis. The plant consumes glucose and produces oxygen as a byproduct. Oxygen and glucose are transformed into carbon dioxide and water during cellular respiration. By-products of the process include carbon dioxide, water, and ATP, which is turned into energy.

Stage II of cell respiration is where these two molecules proceed. Two ATP molecules supply the necessary energy for the splitting of glucose. Energy is released during glycolysis, and this energy is then utilised to create four molecules.

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The silicate tetrahedron is the primary building block of the silicates. The correct answer is B.

The silicate tetrahedron, a pyramid-shaped unit with one Si at its center surrounded by four oxygen atoms, is the fundamental unit of the silicate structure. To create the various silicate minerals, these tetrahedra join together and combine with other elements like Fe, Al, Ca, etc.

A silicate tetrahedron (SiO₄⁴⁻), a four-sided pyramid containing silicon in the centre, is formed when silicon and oxygen form a covalent link. Numerous significant minerals in the crust and mantle are composed of this structure as their building block.

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Following the execution of the following code, the userEntry variable will have the following values: 461

After the code is executed, the variable userEntry will contain the value 461, as the parseInt() function parses a number and returns an integer (whole number) value. as the parseInt() function will remove any decimal places from the number..The variable userEntry will contain 461.95, but the code does not assign a new value to userEntry.  The parseInt() function will return the integer portion of the number, which in this example is 461, but that value is not assigned to the variable userEntry.

Example:

var userEntry = 461.95;

userEntry = parseInt(userEntry);

console.log(userEntry); // Output: 461

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complete question:After the code that follows is executed, the variable named userEntry will contain:

var userEntry = 461.95;

userEntry = parseInt(userEntry);

461.95

462

461

Cannot Tell

The π system contains the electrons are 4 electrons in the π system. The 4 electrons are delocalized in the pi system.

The 4 electrons are in the π system of the bonding in the ozone , O₃. The electrons involves are the 18 valence electrons for the three oxygen atoms. Therefore the 4 electrons are remain for the pi bonding.  The central atom has the double bond with the one signal bond with its neighboring atom and one double bond with the other oxygen atom.

Thus, the number of the electrons in the π system contains is the 4 electrons.

This question is incomplete, the complete question is :

How many π systems are there in this molecule? how many electrons in each? O₃.

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In the CH3 group, the C-H bond is formed when the SP3 hybrid orbital of the carbon atom and the s orbital of the hydrogen atom overlap.

Covalent bonds are established by the overlapping of atomic orbitals. Sigma bonds are a consequence of the head-to-head overlapping of atomic orbitals whereas pi bonds are set up by the lateral overlap of two atomic orbitals.

When atomic orbitals overlap and together, they form molecular orbitals. Molecular orbitals are mathematical functions that narrate the location and wavelike behavior of electrons in particles. There are two general types of molecular orbitals: antibonding molecular orbitals and bonding molecular orbitals.

So we can conclude that The C‒H σ bond is created from the overlap of a carbon sp hybrid orbital with a hydrogen 1s atomic orbital.

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ODS (Ozone Depleting Substances) such as chlorofluorocarbons (CFCs), halons, and carbon tetrachloride were used for a long time in various applications such as refrigeration, air conditioning, and fire suppression.

These chemicals are highly stable and take a long time to break down, so they can remain in the atmosphere for decades to centuries. Once they reach the stratosphere, they are broken down by ultraviolet (UV) radiation and release chlorine and bromine atoms that can react with and destroy ozone molecules, leading to a reduction in the ozone layer.

This is why the effects of ODS on the ozone layer persist even though they have been phased out in most countries.

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Melting Point of HCl is -114.2°C and boiling point of HCl is -85°C.

What is the melting point?

The temperature at which a specific solid material melts, or transitions from a solid state to a liquid, is known as the melting point.

The temperature at which a pure substance changes from a liquid to a gas is known as its boiling point. The liquid's vapor pressure is now equal to the pressure being exerted on it.

The boiling temperatures of liquids are just one characteristic that shows how strong the intermolecular interactions are. For instance, HCl boils at a very low temperature of -85 oC at atmospheric pressure because the interactions between the molecules are so weak.

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The right answer is B. The hint is that chiral carbon lacks a plane of symmetry and possesses molecules bonds to four distinct atoms or groups.

Option A's molecule is symmetrical and devoid of any chiral carbons.

Option B is a chiral molecule since it contains two chiral carbons and lacks a plane of symmetry. The chiral centres are indicated in the image below. Option C is likewise non-chiral since one of the Cs of the allene has two identical CH3 groups present. Option D is achiral since it lacks a chiral group and also has a group that has a plane of symmetry. According on the context, the word may or may not include ions that meet this requirement. A molecule is a collection of two or more atoms bound together by the attractive forces known as chemical bonds.

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The molar mass of the unknown gas is approximately 4.28 g/mol.

What is molar mass?

The molar mass is the mass of a substance in grams that is equal to one mole of the substance. The mole is a unit of measurement in chemistry that represents the number of entities in a substance, such as atoms, molecules, or ions. One mole of any substance contains Avogadro's number of entities, which is approximately 6.022 x 10^23.

The rate of diffusion of a gas is inversely proportional to its square root of molar mass. This relationship is known as Graham's Law of Diffusion.

Given that CO2 diffuses 3.2 times faster than the unknown gas, we can set up the following equation:

(Diffusion rate of CO2) / (Diffusion rate of unknown gas) = 3.2

(1/√(molar mass of CO2)) / (1/√(molar mass of unknown gas)) = 3.2

Squaring both sides:

(1/molar mass of CO2) / (1/molar mass of unknown gas) = 3.2^2 = 10.24

Therefore,

(1/molar mass of unknown gas) = (1/molar mass of CO2) / 10.24

Given that the molar mass of CO2 is 44.01 g/mol,

(1/molar mass of unknown gas) = (1/44.01) / 10.24

Solving for molar mass of the unknown gas:

molar mass of unknown gas = 44.01 / 10.24 = 4.28 g/mol

So, the molar mass of the unknown gas is approximately 4.28 g/mol.

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Rate of reaction B is faster than rate of reaction A. Hence, option B is correct.

Rate of reaction

Rate of reaction is generally defined as the change in concentration with respect to time so we can define the unit of rate of reaction as concentration / time where the unit of concentration is mol/L and let us suppose time is in seconds then units of rate of reaction will (mol/L)/sec.

The rate of a reaction is generally termed as a powerful diagnostic tool. By finding out how fast products are formed and what causes reactions to slow down we can easily develop methods to improve production. This information is quite important for the large scale manufacture of many chemicals including fertilizers, drugs and household cleaning items.

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The use of the chemical is regulated when a chemical is determined to be dangerous.

What occurs if a chemical is found to be harmful?

According to the consequences of its physical characteristics, a chemical is deemed hazardous. Chemical risks are more likely to burn, combust, or combine with other compounds, such as gasoline, whose fumes can ignite explosively.

Why do chemicals pose a risk?

Because they can harm us when they enter or come into touch with the body, chemicals can be poisonous. Your health may be impacted if you are exposed to a harmful material like gasoline. Gasoline is poisonous because ingesting it can result in burns, nausea, vomiting, diarrhea, and, in very large doses, drowsiness or even death.

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The sign of ΔG (δg), the adjustment of Gibbs free energy of a system, gives data about the immediacy of interaction.

Assuming ΔG is negative, the cycle is unconstrained and will continue toward the path that delivers free energy. On the off chance that ΔG is positive, the cycle is non-unconstrained and won't happen without the contribution of energy from an external perspective.

Assuming ΔG is equivalent to nothing, the interaction is at balance, implying that the pace of the forward response is equivalent to the pace of the opposite response.

As a general rule, the indication of ΔG is connected with the distinction between the energy of the items and the energy of the reactants. In the event that the items have lower energy than the reactants.

ΔG will be negative, and the response will be unconstrained. Assuming that the items have higher energy than the reactants, ΔG will be positive, and the response won't be unconstrained.

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Option B, 3 moles of substance V/L with a dissociation factor of 2.0, has the highest osmolarity.

The osmolarity of a solution is directly proportional to the number of moles present and inversely proportional to the dissociation factor. Therefore, option B, with the highest number of moles and the highest dissociation factor, will have the highest osmolarity.

The highest osmolarity would be option "b": 3 moles of substance V/L with a dissociation factor of 2.0. The osmolarity of this solution can be calculated as follows:

Osmolarity = (3 moles of substance V) * (2.0 dissociation factor) = 6 osmoles/L

This is higher than the osmolarity of the other solutions, which can be calculated as follows:

a. Osmolarity = (1 mole of substance W) * (2.0 dissociation factor) = 2 osmoles/L

c. Osmolarity = (1 mole of substance Z) * (1.7 dissociation factor) = 1.7 osmoles/L

d. Osmolarity = (2 moles of substance Y) * (1.8 dissociation factor) = 3.6 osmoles/L

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To estimate the likelihood of a catastrophic wildfire, meteorologists utilize meteorological data. To forecast the likelihood of wildfires under several possible climatic scenarios, scientists develop computer models. Scientists forecast where and when wildfires are most likely to occur using various estimates of temperature and precipitation.

Other widely utilized technologies by many authorities and sectors to monitor and identify wildfire outbreaks include terrestrial, aerial, and satellite remote sensing systems as well as IoT-based solutions. To actively search the terrain for fresh flames, terrestrial camera systems have been implemented in numerous areas.

Even though it is not always feasible to identify the particular cause or spark of a fire occurrence, wildfire risk may be roughly calculated by comprehending how climate, geography, weather, and land cover affect fire behavior and the possibility of a fire spreading.

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The net ionic equation is;

Co^2+(aq) + OH^-(aq) -----> Co(OH)2(s)

The net ionic reaction is a chemical reaction that describes the species involved in a reaction that undergo a change (i.e., reactants and products) and exclude spectator ions, which do not participate in the reaction and remain in their original form. The net ionic equation only includes ions that are changed in the reaction.

The molecular reaction equation is;

Ba(OH)2 + CoBr2 → BaBr2 + Co(OH)2

The net ionic equation is;

Co^2+(aq) + OH^-(aq) -----> Co(OH)2(s)

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The reaction for the synthesis of NO is:

4 NO2 (nitrogen dioxide) + 4 H2O (water) → 4 NO (nitrogen monoxide) + 6 H2O (steam)

19.5 g of NO is equivalent to 0.5 moles of NO.

Therefore, the volume of O2 required is 0.5 moles * 24 L/mol = 12 L at 988 mmHg and 37°C.

The synthesis of NO from O2 can be represented by the following reaction equation: O2 + N2 → 2NO

This equation represents the reaction of molecular oxygen (O2) with nitrogen (N2) to form nitrogen monoxide (NO). The reaction is exothermic and can be catalyzed by various substances such as transition metal oxides or metallic catalysts. The reaction rate and yield can be affected by various factors including temperature, pressure, and the presence of other gases. In industrial applications, the synthesis of NO from O2 is an important process in the production of nitric acid, which is used in the manufacture of fertilizers and other chemicals.

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By rearranging these lines of code into an alternate solution with a reusable helper method gives the following code.

public  

class BoxStringWithHelper {      

public

static void boxString(String contents){        

int n = contents.length(); // get the length of the content          System.out.println(repeat(n + 2, "-")); // print the upper bar          System.out.println("|" + contents + "|"); // print the text          System.out.println(repeat(n + 2, "-")); // print the lower bar    

 }    

 public

static String repeat(int n, String str){  

       String result = "";      

  for(int i = 1; i <=n; i++){

// loop and add the string            

 result = result + str;  

       }          

return result; // return the string  

  }    

public

static void main(String[] args) {

        Scanner in = new Scanner(System.in);    

   String content = in.nextLine();    

   boxString(content);    

}  

  }

This is the whole code after rearranging by reusable helper method.

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Cl2 is the chemical formula for chlorine gas. Its color is yellow-green, and its smell is reminiscent to household bleach. It interacts with water to produce hypochlorous acid and hydrochloric.

Cl' stands for a single chlorine atom. It exists in nature as a molecule called Cl2 in diatomic form. Two chlorine atoms are represented by the symbol 2Cl as chloride ions prepared for a reaction. Thus, this is how 2Cl and Cl2 vary from one another.

At room temperature, chlorine is a gas that is yellow-green. At low concentrations, chlorine emits a strong, unpleasant smell that is comparable to that of bleach. Chlorine gas has a density that is roughly 2.5 times larger than that of air.

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Formula: Al(NO3)3

Uses: Aluminum nitrate is used as a mordant in dyeing processes, as an oxidizing agent in organic synthesis, and as a catalyst in some chemical reactions.

Solubility: Aluminum nitrate is soluble in water and forms a colorless solution. It is slightly soluble in alcohol, and insoluble in acetone and ether.

What is Oxidizing agent?

An oxidizing agent is a substance that has the ability to oxidize other substances by removing electrons from them. Oxidizing agents are used in many industrial and laboratory chemical reactions and are often referred to as oxidizers. Examples of oxidizing agents include oxygen, hydrogen peroxide, ozone, and halogens. These agents are often used to manufacture products, clean surfaces, and bleach materials.

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A calorimetry experiment may be used to directly estimate the enthalpy of combustion of magnesium. The following is an outline of the procedure:

Set up a calorimeter: To measure the heat emitted during the interaction of magnesium with oxygen, a bomb calorimeter or a constant-volume calorimeter can be employed.

Prepare a magnesium sample: A weighted magnesium sample is inserted in the calorimeter.

Start the process: Oxygen is supplied into the calorimeter, and the magnesium-oxygen reaction is started. Exothermic reactions release heat into the calorimeter.

Measure the temperature change: A thermometer or a temperature probe is used to measure the temperature change in the calorimeter.

Determine the enthalpy of combustion: The following equation is used to calculate the enthalpy of combustion:

ΔH = q/n

The heating value of a material, generally a fuel or food, is the amount of heat created when a specific amount of it is burned. The calorific value is the total amount of energy produced as heat when a material completely burns with oxygen under normal circumstances. The enthalpy of combustion is the change in enthalpy of a system when one mole of a material is entirely burned in oxygen or air at a specific temperature.

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The order of increasing basicity for the given ions would be:

Basicity is a measure of the ability of an ion or molecule to act as a base. A base is a substance that can accept a proton (H+) and increase the concentration of hydroxide (OH-) ions in a solution.

In an aqueous solution, basicity is often expressed in terms of the concentration of hydroxide ions (OH-) produced by the base. A strong base produces a high concentration of hydroxide ions, while a weak base produces a low concentration.

The basicity of a substance is influenced by several factors, including the structure of the molecule, the strength of its hydrogen-bonding ability, and the presence of basic functional groups such as amines (-NH2) and hydroxides (-OH).

The basicity of an ion can be estimated based on its tendency to release hydroxide ions in aqueous solution. The more hydroxide ions it releases, the more basic it is.

Therefore, The order of increasing basicity for the given ions would be:

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Answer:

The empirical formula of a compound can be determined by dividing the number of moles of each element by the smallest number of moles of any element and rounding to the nearest whole number.

The 0.1014 g sample produced 0.1486 g CO2 and 0.0609 g H2O, which would mean that 0.1014 g / (12.01 + 16.00) = 0.0055 moles of carbon, and 0.1014 g / (1.01 + 16.00) = 0.0052 moles of hydrogen.

To find the empirical formula, divide each mole by the smallest mole: 0.0055 moles C / 0.0052 moles H = 1.06, so there is 1 mole of C and 1.06 moles of H. Rounding the moles of H to the nearest whole number gives 1 mole of H.

The empirical formula for the compound is therefore C1H1O.

The molecular formula for the compound can be found by dividing the molar mass of the compound by the empirical formula mass and rounding to the nearest whole number.

The empirical formula mass is 12.01 + 1.01 = 13.02 g/mol.

180 g/mol / 13.02 g/mol = 13.79. Rounding to the nearest whole number gives 14, so the molecular formula for the compound is C14H14O.