If 6. 00 g of carbon is burned completely, what volume of carbon dioxide gas is released at stp?.

Answer:

The noble gases are the chemical elements in group 18 of the periodic table. They are the most stable due to having the maximum number of valence electrons their outer shell can hold. Therefore they rarely react with other elements since they are already stable

The number of moles of NaF that will be produced from 3moles of Na is 3 moles.

Stoichiometry is the study and calculation of quantitative (measurable) relationships of the reactants and products in chemical reactions (chemical equations).

According to this question, sodium reacts with fluorine as follows:

2Na+ F₂ → 2NaF

Based on the above equation, 2 moles of Na will produce 2 moles of NaF

This means that 3 moles of Na will produce 3 moles of NaF.

Learn more about stoichiometry at: https://brainly.com/question/9743981

#SPJ1

Vinegar or acetic acid(CH3COOH) has intermolecular forces  of hydrogen bonding, dipole-dipole interactions and dispersion force.

Intermolecular forces can be defined as the attractive and repulsive forces that arise between the molecules of a substance.

Intermolecular forces includes the electromagnetic forces of attraction or repulsion which act between atoms and other types of its close particles such as atoms or ions.

Vinegar or acetic acid(CH3COOH) has intermolecular forces  of hydrogen bonding, dipole-dipole interactions and dispersion force.

Vinegar or acetic acid(CH3COOH)  has an especially strong type of hydrogen bonding. In solid state, the molecules in the acetic acid form cyclic pairs connected by hydrogen bonds. Thus, making it to have a low volatility.

Learn more about intermolecular forces at:

https://brainly.com/question/2193457

#SPJ1

Answer:

1.505746561978472

Explanation:

The linear regression equation for the relationship between temperature (x) and efficiency ratio (y) is y = a + bx, where y represents the efficiency ratio and x represents the tank temperature.

In order to analyze the relationship between temperature and efficiency ratio, we can use the method of linear regression. Linear regression helps us determine the equation of a straight line that best fits the given data points. This equation allows us to estimate the efficiency ratio for any given tank temperature.

By using the least squares method, we calculate the values of the regression coefficients a and b. The coefficient a represents the y-intercept of the line, while the coefficient b represents the slope of the line. These coefficients allow us to determine the equation of the line that represents the relationship between temperature and efficiency ratio.

Once we have the regression equation, we can calculate the correlation coefficient and coefficient of determination. The correlation coefficient, denoted by r, measures the strength and direction of the linear relationship between the two variables. It ranges between -1 and 1, where values close to -1 or 1 indicate a strong linear relationship. The coefficient of determination, denoted by \(r^2\), represents the proportion of the total variation in the efficiency ratio that can be explained by the variation in temperature.

By analyzing the scatter diagram, we can visually observe the trend between temperature and efficiency ratio. The linear regression equation and the correlation coefficient provide quantitative measures to further understand and interpret the relationship between these two parameters.

Learn more about Linear regression

brainly.com/question/32505018

#SPJ11

Answer:

According to the kinetic molecular theory of gases, the average speed and kinetic energy of gas molecules would INCREASE.

Explanation:

In the kinetic molecular theory of gases, assumptions were made based on macroscopic properties of gas (pressure, volume and temperature) which are as a result of the microscopic properties like the position and the speed of the gas molecules. The kinetic molecular theory explains the behaviour of gases through the following 5 assumptions made about an ideal gas;

--> Molecules of a gas are in constant and rapid motion in straight lines until they collide with one another and with the walls of their containers.

--> The actual volume occupied by the had is negligible compared with the volume of the container.

--> Forces of attraction or repulsion between the molecules of a gas are negligible

--> The collision between the molecules is perfectly elastic.

--> The average kinetic energy of the gas molecules is proportional to the temperature of the gas.

Because gas molecules are in constant motion, it has kinetic energy which can be altered when there is increase in pressure. An increase in pressure will cause gas molecules to collide more frequently with one another. This in turn leads to increase in average speed and the kinetic energy of the individual molecules.

The volume needed to make 1.98 M of the solution is 2.12L

Molarity of a given solution is defined as the total number of moles of solute per litre of solution. One molar is the molarity of a solution where one gram of solute is dissolved in a litre of solution. As we know, in a solution, the solvent and solute blend to form a solution, hence, the total volume of the solution is taken.

Given,

Molarity = 1.98m

Moles = 4.2 mol

Molarity = number of moles of solute / volume of solution in L

Volume = moles / molarity

= 4.2 / 1.98

= 2.12 L

Learn more about Molarity, here:

https://brainly.com/question/8732513

#SPJ1

Combustion of coke is harmful as it increases the concentration of CO2 in the atmosphere which causes global warming due to the greenhouse effect.

CO2 is not deemed a pollution until a particular threshold is reached. Rather, it aids in maintaining the temperature of the Earth. Coke combustion is hazardous because it raises the concentration of CO2 in the atmosphere, causing global warming owing to the greenhouse effect.

Burning of coke creates a lot more than simply CO2. There are a plethora of harmful and polluting byproducts. Phenolic and other organic compounds, as well as cyanides, sulphides, and ammonia, are a few examples.

Burning of coke creates a lot more than simply CO2. There are a plethora of harmful and polluting byproducts. Phenolic and other organic compounds, as well as cyanides, sulphides, and ammonia, are a few examples. You may be confused coke combustion with carbon combustion, which produces CO2 and no other hazardous byproducts.

Learn more about Combustion of coke:

https://brainly.com/question/15228446

#SPJ4

It is a method of representing the 3- D structure of a molecule in which simple lines represent bonds in the plane of the image, wedge-shaped lines represent bonds towards the viewer and dashed lines represent bonds away from the viewer.

What are stereoisomers?

What is nucleophilic attack?

A nucleophilic attack occurs when an electron-rich species (the nucleophile) attack an electron-deficient species (the electrophile, a carbocation) forming a new bond between the nucleophile and the carbocation

Learn more about stereoisomers at https://brainly.com/question/24128816

#SPJ13

When people are involved in science, they try to employ terminology that is more precise and consistent.

To learn more about scientific language refer:

https://brainly.com/question/19933667

#SPJ9

Answer:free shampoo Here In Seconds! Easy to Use. Immediate Response - 24/7. Fast & Free. Highest Standards. Guaranteed Satisfaction. Serving You Better. Results in 5 Sec. or Less. Highly Qualified Search. 1,000,000 Unique Results. Immediate Results. Services: Search Services, Web Results, Result Pages.

Explanation:

Answer:

Inertia in our body tends to be in the situation it is. So, we a car comes to a halt, our body wants to keep moving i.e. in motion. hope that helps love!

The liquid dispensed from a burette is called titrant. What is burette? A burette is a laboratory equipment used in analytical chemistry to dispense volumes of liquid precisely and accurately. A burette is used to deliver a variable, measured amount of liquid, and it is calibrated to enable a scientist to determine the volume of liquid it contains to an accurate level. What is titrant? Titrant is a liquid substance with a known concentration. Titrant is used in analytical chemistry to determine the concentration of an analyte (a chemical species under analysis). The amount of titrant required to react with a particular quantity of analyte is measured, and the concentration of the analyte is calculated from this titration.

#SPJ11

Learn more about titration:

https://brainly.com/question/186765

Answer:

V₂ = V₁ / T₁ * T₂ . If you prefer to set the final volume and want to estimate the resulting temperature, then the equation of Charles' law changes to: T2=T1/T1 multiplied by v^2.

Answer:

greenhouse effect is the same as global warming

Explanation:

they both mean warming of the earths surface

The central bright fringe on a single-slit diffraction experiment refers to the bright spot in the middle of the diffraction pattern. When the width of the slit through which the light passes is reduced, the central bright fringe becomes narrower and more intense.


1. In a single-slit diffraction experiment, light waves pass through a narrow slit and diffract, or spread out, creating a pattern of alternating bright and dark fringes.The central bright fringe corresponds to the region where the waves from different parts of the slit constructively interfere, resulting in a bright spot.

3. The width of the central bright fringe is determined by the width of the slit. If the slit is wider, the central bright fringe will be wider.When the width of the slit is reduced, the central bright fringe becomes narrower because there is less diffraction occurring. The narrower slit allows less room for the waves to spread out, leading to a narrower bright spot.


To know more about that bright VISIT:

https://brainly.com/question/12500676

#SPJ11

The mass of the nonvolatile, nonionizing compound that must be added to 4.21 kg of water to lower the freezing point to 98.70 degrees Celsius is 34.945 grams.

To solve this problem, we can use the formula:

ΔTf = Kf x m x i

where ΔTf is the change in freezing point, Kf is the freezing point depression constant for water, m is the molality of the solution, and i is the van't Hoff factor (which is 1 for nonionizing compounds).

First, let's calculate ΔTf:

ΔTf = 0 - (-1.3) = 1.3 degrees Celsius

This is the amount that we need to depress the freezing point of water.

Next, let's calculate the molality of the solution:

m = (moles of solute) / (mass of solvent in kg)

We want to add enough solute to depress the freezing point by 1.3 degrees Celsius. We can calculate the number of moles of solute needed using the following formula:

moles of solute = ΔTf / (Kf x i)

moles of solute = 1.3 / (1.86 x 1)

moles of solute = 0.6989

Now we can calculate the mass of solute needed using the molar mass of the compound:

mass of solute = moles of solute x molar mass

mass of solute = 0.6989 x 50.0 g/mol

mass of solute = 34.945 g

Therefore, the mass of the nonvolatile, nonionizing compound that must be added to 4.21 kg of water to lower the freezing point to 98.70 degrees Celsius is 34.945 grams.

Learn more about  nonionizing compound here

https://brainly.com/question/14722160

#SPJ11

Reducing the number of cows we raise for meat would probably be the most effective way to reduce the amount of methane released into the atmosphere

Methane is a potent greenhouse gas that contributes to global warming, so reducing its emissions is important in mitigating climate change. Here are some ways to reduce methane:

Reduce or eliminate the use of fossil fuels: Methane is released during the extraction, production, and transport of fossil fuels such as coal, oil, and natural gas. By using renewable energy sources like solar or wind power instead, we can reduce our dependence on fossil fuels and the associated methane emissions.

Reduce waste: Methane is produced when organic waste decomposes in landfills, wastewater treatment plants, and agricultural operations. By reducing the amount of waste we produce and by implementing better waste management practices, such as composting and anaerobic digestion, we can reduce methane emissions.

Use methane as a fuel: Methane can be captured and used as a fuel for electricity generation, heating, and transportation. This is known as biogas, and it can be produced from sources such as livestock manure, agricultural waste, and wastewater. Using biogas as a fuel reduces the amount of methane released into the atmosphere while providing a renewable energy source.

Read more on methane here:https://brainly.com/question/25649765

#SPJ1

Based on our knowledge of the MCIR signaling pathway and cell signaling, we can hypothesize that the two extracellular mutations in the MCIR gene lead to the dark coat-color phenotype by affecting the interaction between MCIR and its ligand.

The extracellular domain of MCIR is responsible for binding to its ligand, and any changes in the amino acid sequence can alter the chemistry of the domain, affecting its ability to bind to the ligand. The charge of the amino acids in the extracellular domain can play a crucial role in the binding process, and mutations that result in a change in the charge of the amino acids can affect the binding affinity of the receptor for the ligand. As a result, the two extracellular mutations in the MCIR gene may lead to a decrease in binding affinity, causing the receptor to remain in an active state for a more extended period, resulting in the dark coat-color phenotype.
Similarly, we can hypothesize that the two intracellular mutations in the MCIR gene lead to the dark phenotype by altering the signaling pathway downstream of MCIR. The intracellular domain of MCIR is responsible for initiating the signaling cascade that leads to changes in the cell's physiology. Any changes in the amino acid sequence in this domain can affect the chemistry of the domain, altering the downstream signaling events. The charge of the amino acids in the intracellular domain can play a crucial role in protein-protein interactions and phosphorylation events, affecting the downstream signaling events. As a result, the two intracellular mutations in the MCIR gene may lead to alterations in the downstream signaling events, causing changes in the cell's physiology and resulting in the dark coat-color phenotype.
Finally, we can hypothesize that the wild-type MCIR gene results in the light phenotype by maintaining the balance between MCIR signaling and the signaling pathways downstream of other receptors. The MCIR signaling pathway is only one of several pathways involved in regulating coat-color, and the balance between these pathways determines the final coat-color phenotype. The wild-type MCIR gene may modulate the balance between these pathways, leading to the light coat-color phenotype.

Learn more about phenotype here

https://brainly.com/question/20730322

#SPJ11

Answer:

check below

Explanation:

c) Concentrated sulphuric acid is used a drying agent.

d) (use any one of them) Concentrated phosphoric acid, hot aluminium oxide, calcium chloride , anhydrous calcium sulphate

Answer:

12c) it is used as a drying agent

d) anhydrous calcium chloride

calcium oxide can also be used as a drying agent

Answer:

6.6 g

Explanation:

La ecuación de la reacción es;

MnO2 + 4 HCl -------> MnCl2 + Cl2 + 2H2O

Número de moles de HCl que reaccionan = 7.5g / 36.5 g / mol = 0.21 moles

Dado que;

4 moles de HCl producen 1 mol de MnCl2

0,21 moles de HCl producen 0,21 * 1/4 = 0,0525 moles de MnCl2.

Masa de MnCl2 = 125,844 g / mol * 0,0525 moles = 6.6 g

If a few drops of HCI are added (which dissociates into H+ and Cl-) to both beakers, the pH in Solution X will decrease and the pH in Solution Y will remain unaffected. The pH scale is a scale that measures the acidity or basicity of a solution. It goes from 0 to 14, with 7 being neutral.

The lower the pH, the more acidic the solution is. Similarly, the higher the pH, the more alkaline the solution is. Each unit on the pH scale represents a tenfold difference in acidity or alkalinity. This implies that a solution with a pH of 3 is ten times more acidic than one with a pH of 4.Let's apply this information to your problem. We'll look at each solution one by one: XIt has a pH of 8, which indicates that it is slightly basic. HCI (hydrochloric acid) is added to it, which dissociates into H+ and Cl-.

The H+ ions will react with the OH- ions in the solution to form water molecules. There are few OH- ions in Solution X because it is slightly basic. As a result, the amount of H+ ions produced will be significant compared to the OH- ions, lowering the pH. As a result, the pH of Solution X will decrease.SOLUTION YIt has a pH of 3, which indicates that it is highly acidic. HCI (hydrochloric acid) is added to it, which dissociates into H+ and Cl-.The H+ ions produced will simply join the H+ ions already in Solution Y. As a result, the pH of Solution Y will remain unaffected by the addition of HCI.

To know more about  pH scale visit:-

https://brainly.com/question/1431406

#SPJ11

The limiting reactant in (a)  6 Cl2 (b) 10Cl2 (c) 20 Cl2

In the field of chemistry, a limiting reactant can be described as such a reactant molecule, that get consumed faster than the other reactants in a reaction and hence becomes the reason for the reaction to come to a stop.

In the reaction, 2Cr(s) + 3Cl2(g) → 2CrCl3(s), two atoms of Cr and 3 atoms of Cl2 are required for the reaction to occur. Hence, in all the options mentioned, Cl2 becomes the limiting agent as it is consumed in a larger amount in the reaction.

For the reactions to proceed, more Cl2 atoms need to be added.

To learn more about limiting, click here:

https://brainly.com/question/14222359

#SPJ4

Maximum number of electrons in nth energy level

\(\\ \sf\longmapsto 2n^2\)

Now

Max electrons

\(\\ \sf\longmapsto 2(1)^2\)

\(\\ \sf\longmapsto 2e^-\)

Answer:

37

Explanation:

( 98.6 - 32 ) × 5(100c) ÷ 9(180f) = 37

The phases of matter in order from the strongest collective electrostatic forces to the weakest collective electrostatic forces is solid, liquid, gas. Therefore, option C is correct.

A state of matter is one of the various forms that matter can take. In everyday life, four states of matter are visible: solid, liquid, gas, and plasma.

When compared to liquids and gases, solids typically have the strongest intermolecular forces. Because the particles in solids are closely packed, they are incompressible and have a high density.

Solids with high order have the strongest intermolecular interactions, while gases with high disorder have the weakest.

Thus, option C is correct.

To learn more about the phases of matter, follow the link

https://brainly.com/question/14315617

#SPJ1

Answer:

molecules heat and move faster, they are moving apart. So air, like most other substances, expands when heated and contracts when cooled.

Explanation:

Because there is more space between the molecules, the air is less dense than the surrounding matter and the hot air floats upward.