a sample of carbon dioxide gas occupies a volume of 20 L at standard temperature and pressure (STP). what will be the volume of a sample of argon gas that has the same number of moles and but tripled the absolute temperature?​

The line-bond formula for a triacylglycerol containing stearic acid and glycerol would show the three stearic acid molecules bonded to the three hydroxyl groups of the glycerol molecule.

A triacylglycerol, also known as a triglyceride, is a type of lipid that is composed of three fatty acid molecules and one glycerol molecule. Stearic acid is a saturated fatty acid with 18 carbon atoms, and glycerol is a three-carbon alcohol.

The line-bond formula for a triacylglycerol containing stearic acid and glycerol would show the three stearic acid molecules bonded to the three hydroxyl groups of the glycerol molecule. The formula would also show the chemical bonds between the carbon and hydrogen atoms of the fatty acid molecules.

To know more about triacylglycerol follow the link:

https://brainly.com/question/31609332

#SPJ4

The mass of the piece of wood is 35.58 g.

Joule = M × T × C

Where, M = mass

T = change in temperature(42C-23C=19 C)

C = specific heat capacity = 1.716 joules/gram

Substituting the values in the equation,

1160 = M × 19 × 1.716

M = 1160/32.604 = 35.58 g

Therefore, the mass of the piece of wood = 35.58 g

A material's specific heat capacity, which is defined as its heat capacity divided by its mass, determines how much energy is required to increase a gram's temperature by one degree Celsius (or one Kelvin)

Mass is the quantity of matter in a physical body.

To learn more about specific heat capacity visit:

https://brainly.com/question/1747943

#SPJ4

Answer:

i believe it is strong acids, strong bases, and salts.

Explanation:

Hope this helps : )

Answer:

Molar Mass (moles  

⇌

grams)

Stoichiometric Coefficients (moles  )

Avagadro's number

Explanation:

Intumescent coatings are designed to provide fire protection for steel structures by forming a protective insulating layer when exposed to heat.

The effectiveness of intumescent coatings as an insulating material is primarily due to a combination of chemical reactions that occur during exposure to high temperatures. When intumescent coatings are subjected to heat, they undergo a complex reaction process involving different components within the coating.

The reaction process can be summarized as follows:

Dehydration: As the temperature rises, the coating starts to evaporate, losing water or other volatile substances.

Acid decomposition: When heated, the coating's acid source breaks down, producing gases that are acidic. In the presence of heat, these acid gases combine with the carbon source to create a carbonaceous char.

Carbonization and foaming: When acid gases combine with a carbon source to form carbonaceous char, the char expands and foams, forming a structure resembling froth.

Insulation: During the foaming process, a thermally insulating layer is created that serves as a barrier between the heat source and the steel structure it is protecting.

To learn more about intumescent coatings, refer to:

https://brainly.com/question/32394560

#SPJ4

To address the student question, I will provide a step-by-step explanation for drawing the detailed mechanisms for the formation of both products, including any resonance contributors, and then explain why pinacolone formation is favored.

What is the mechanism of product formation?

Step 1: Start with the pinacol molecule, which has two hydroxyl groups on adjacent carbons.

Step 2: Add an acid catalyst (e.g., H+) to the reaction.

The acid will protonate one of the hydroxyl groups, turning it into a better-leaving group (H2O).

Step 3: The protonated hydroxyl group leaves, generating a carbocation at the carbon it was attached to.

This carbocation can have resonance contributors if there are double bonds or lone pairs on adjacent atoms.

Step 4: The remaining hydroxyl group donates its lone pair of electrons to form a bond with the carbocation, resulting in a cyclic transition state.

Step 5: A molecule of water acts as a base, abstracting a proton from the newly formed bond, leading to the formation of pinacolone and water.

Step 6: The alternative product, pinacol, can form by following similar steps, but with a different leaving group and carbocation intermediate.

b) Pinacolone formation is favored because of the stability of the carbocation intermediate.

The carbocation generated during the pinacol rearrangement is more stable due to resonance contributors and the inductive effect of the alkyl groups, which help distribute the positive charge.

Additionally, the formation of pinacolone is thermodynamically favored, as it is a more stable molecule than the alternative product.

To know more about the Pinacol molecule, visit:

https://brainly.com/question/29507965

#SPJ11

The question is incomplete, the complete question is;

Each sentence describes potential and kinetic energy at various locations on a slide. Complete each statement by selecting the position of the object on the slide.

An object at position has all kinetic energy. A B or C

An object at position has all potential energy. A B or C

An object at position has about half potential energy and half kinetic energy. A B or C

Answer:

An object at position C has all kinetic energy.

An object at position A has all potential energy.

An object at position B has about half potential energy and half kinetic energy.

Explanation:

Lets take a good look at the image.

At position A, the object is stationary and we know that the energy possessed by an an object by virtue of its position is known as potential energy. Hence at A, the energy possessed by the body is all potential.

At position B, the total mechanical energy of the object becomes potential energy + kinetic energy as the object is now in motion.

At position C, the object is still in motion and the energy is all kinetic.

Answer:

C

A

B

Explanation:

Answer:

Oxygen is much smaller then Selenium, that is because of how high the charge density is.

Answer:

If you mean electron then O(8 electrons) is smaller than Se(34 electrons).

If you mean atomic mass then O(16) is still smaller than Se(78).

If   Valency then O and Se are the same(-2).

Answer:

Option D

Explanation:

Ionization energy increases left to right in a period and decreases top to bottom in a groups.

Ar is in Group 13

S is in Group 15

P is in Group 16

Al is in Group 18

They are all in the same period so decide by the group numbers if left is the highest (group 18) and right (group 13) is the lowest.

The order: Ar, S, P, Al

Hope this is clear. Good luck with chemistry! :)

The descriptor that best describes the relationship between the reactants and products is Decomposition.

Reactants are transformed into products during chemical reactions. The components that initiate a reaction are known as reactants, whereas the compounds that are produced as a result of that reaction are known as products.

CaO + CO2 = CaCO3

Calcium carbonate (CaCO3) breaks down into calcium oxide (CaO) and carbon dioxide (CO2) gas in this process.

The interaction between reactants and products in a chemical process can be described in a number of ways, including:

Conversion: The chemical process transforms the reactants into the products.

Synthesis: A single product is created when the reactants come together.

Decomposition: The breakdown of a single reactant into two or more products.

One or more reactants' components or functional groups are exchanged for another's, resulting in the formation of products.

Learn more about Decomposition

https://brainly.com/question/8009068

#SPJ4

Complete question

consider the following reaction.

CaO + CO2 = CaCO3

The dotted arrow is a placeholder. select the descriptor that best describes the relationship between the reactants and products.

Answer:

Option 3, The attraction between the can and the magnet is a pull.

Explanation:

The complete question is

Mr. Wang works in a recycling center. Recyclable materials arrive at the

center mixed together. Workers use magnets to separate steel cans from

other items. Which two statements are true about the force between a steel can and a magnet?

1 Gravity pushes the can toward the magnet.

2 The force between the can and the magnet is a noncontact force.

3 The attraction between the can and the magnet is a pull.

4 The attraction between the can and the magnet is a push

Solution

The force exerted by magnet on steel is the pull force. In magnets unlike poles attract each other (pull force) while the like poles repel (push force). Now, the steel or any ferrous object in the garbage when experience magnetic field develop magnetic field of their own in such a way that their north always faces the south of the external magnet or vice versa.

Hence, the force between a steel can and a magnet is pull force

The earliest nebulae to form in the universe were made almost of Hydrogen and Helium.

The first atmosphere on Earth, 4.6 billion years ago, was most likely made up of Hydrogen and Helium. These are the two most prevalent gases in the universe. Several other gases were infused into the atmosphere as a result of outgassing or the upsurge of vapors from the Earth's core.

Planetary outgassing, comet collisions, and volcanic eruptions formed the Earth's first atmosphere. Helium and Hydrogen in the early Earth's crust were heated up and managed to escape the gravity of the Earth, only for the solar wind to blow them away.

To learn more about nebulae: brainly.com/question/23728075

#SPJ4

To calculate the gravitational field strength of Titan, we can use the formula for gravitational potential energy:

ΔPE = mgh

Where:

ΔPE = Change in gravitational potential energy

m = Mass of the small part (1.4 kg)

g = Gravitational field strength

h = Height (altitude) of the small part above the surface of Titan (160 km or 160,000 meters)

Given that the small part loses 0.303 MJ (mega joules) of gravitational potential energy, we need to convert it to joules:

0.303 MJ = 0.303 × 10^6 J

Now we can rearrange the formula to solve for the gravitational field strength (g):

g = ΔPE / (mh)

Substituting the known values:

g = (0.303 × 10^6 J) / (1.4 kg × 160,000 m)

Calculating this expression gives:

g ≈ 1.090 N/kg

Therefore, the gravitational field strength of Titan is approximately 1.090 N/kg (to 3 significant figures).

Learn more about  gravitational potential energy here:

https://brainly.com/question/3910603

#SPJ11

In this question, we have a situation where an ice cube is placed in a glass of hot water, which means we have a situation of exothermic and endothermic reactions occurring.

The endothermic reaction will be related to the ice cube, since this cube will increase its temperature, and in order to do that, the cube needs to absorb energy, and this thermal energy will come from the hot water

The exothermic reaction is the hot water releasing this thermal energy to its surroundings, and then the temperature will decrease as well

The options that are the answers will be:

C

F

Letter B should be the opposite, -qwater = qice, and letter A doesn't show the positive or negative sign

Answer:

Lactose is called milk sugar.

Explanation:

Hope It Helps!!!

Answer:

lactose

Explanation:

credits to the answer above !

Sun is the centre of the solar system containing 8 planets. Some planets have moons revolving around them. The planet from the sun which a moon is Earth.

Planets are spatial objects formed by gases, soil, and dust and are having a gravitational force. The only living planet is earth. The moon of earth is itself called moon which is revolving around the earth.

In solar system the nearest planet to sun is mercury which have no moons. Next is venus also having no moons. The next planet in the series is earth having one moon.

After earth, mars is closest to sun which have two moons namely Deimos and Phobos. After mars,Jupiter having the highest number of moons and then saturn.

Therefore, the first planet from sun having at least one moon is earth.

To find more about solar system, refer the link below:

https://brainly.com/question/18365761

#SPJ1

Answer:

Explanation:

Answer:,,,,,

Answer:

Within a group trend

Explanation:

The atomic radius of atoms generally increases from top to bottom within a group trend. As the atomic number increases down a group, there is again an increase in the positive nuclear charge.  As the atomic number increases within a period, the atomic radius decreases.

Answer:

carbon-magnesium

Explanation:

H3C - Mg - Br

A solid material with a Fermi level within the band gap between conduction and valence bands is a semiconductor.

A semiconductor is a material that falls somewhere between an insulator like glass and a conductor like copper in terms of electrical conductivity. Its resistivity decreases as its temperature increases; Semiconductors are materials with a conductivity between conductors (usually metals) and non-conductors or insulators (like ceramics).

Metals behave in the opposite way. Compounds like gallium arsenide and pure elements like silicon and germanium are examples of semiconductors. A semiconductor is a material with a higher electrical resistance than insulators but a lower electrical resistance than conductors. As a result, it is able to conduct current more slowly than insulators but does not impede the flow of current like insulators do.

Know more about semiconductor:

https://brainly.com/question/33275778

#SPJ11

Answer:

(i) specific heat

(ii) latent heat of vaporization

(iii) latent heat of fusion

Explanation:

i. Q = mcΔT; identify c.

Here, Q is heat, m is the mass, c is the specific heat and ΔT is the change in temperature.

The amount of heat required to raise the temperature of substance of mass 1 kg by 1 degree C is known as the specific heat.  

ii. Q = mLvapor; identify Lvapor

Here, Q is the heat, m is the mass and L is the latent heat of vaporization.

The amount of heat required to convert the 1 kg liquid into 1 kg vapor at constant temperature.  

iii. Q = mLfusion; identify Lfusion

Here, Q is the heat, m is the mass and L is the latent heat of fusion.  

Here, Q is the heat, m is the mass and L is the latent heat of vaporization.

The amount of heat required to convert the 1 kg solid  into 1 kg liquid at constant temperature.  

(i) c is the molar heat capacity of the substance.

(ii) Lvapor is the latent heat of evaporation of the substance

(iii) Lfusion is the latent heat of fusion of the substance

All the 3 equations fall under Calorimetry.

In all the equation Q is the amount of heat required.

(i) First equation represents the amount of heat required to raise the temperature of a substance of mass m.

                          Q = mcΔT

       here c is the molar heat capacity of the substance and ΔT is the chnage in temperature.

(ii) Second equation represents the amount of heat required to convert a substance of mass m from liquid phase to vapour phase.

                          Q = mLvapor

        here Lvapor is the latent heat of evaporation of the substance

during evaporation no change in temperature occurs.      

(iii) Third equation represents the amount of heat required to convert a substance of mass m from solid phase to liquid phase.

                          Q = mLfusion

        here Lfusion is the latent heat of fusion or melting of the substance

during fusion no change in temperature occurs.    

Learn more about calorimetry:

https:brainly.com/question/25280399

Approximately 5,775,000 joules of heat are required.

To calculate the amount of heat required to heat a 10 kg copper skillet from 25°C to 175°C, we need to use the specific heat capacity of copper (which is 0.385 J/g·°C).

The formula to calculate the heat energy (Q) is given by Q = m × c × ΔT, where m is the mass, c is the specific heat capacity, and ΔT is the change in temperature.

First, we need to convert the mass of the copper skillet to grams: 10 kg = 10,000 grams.

Next, we calculate the change in temperature: ΔT = (final temperature - initial temperature) = (175°C - 25°C) = 150°C.

Using the formula, we can now calculate the heat energy:

Q = 10,000 g × 0.385 J/g·°C × 150°C = 5,775,000 J

Therefore, approximately 5,775,000 joules of heat are required.

You can learn more about heat at

https://brainly.com/question/934320

#SPJ11

Answer:

Instead of normal protium atoms, heavy water consists of two deuterium atoms. Like normal water, heavy water is an odorless liquid at room temperature. Moreover, deuterium, tantamount to protium, is also a stable isotope. This ensures that heavy water is not radioactive

The question requires us to calculate the amount of solution that could be prepared from 1.85 g of silver nitrate (AgNO3), considering a 5.0% solution.

Considering that 5.0% solution corresponds to a solution where there are 5g of AgNO3 in 100 g of solution (% m/m), we can write:

5.0 g of AgNO3 ---------- 100 g of solution

1.85 g of AgNO3 --------- x

Solving for x, we have that 37g of a 5.0% solution could be prepared from 1.85g of AgNO3.

Short chain hydrocarbons, such as propane and butane, are used in gas stoves because they are highly flammable and can produce a hot flame when burned.

These gases are easily stored in small containers and can be transported easily to homes and other locations.Additionally, propane and butane are clean-burning fuels that produce fewer pollutants and emissions than other fossil fuels such as coal and oil. This makes them a more environmentally friendly option for cooking.Furthermore, these gases are relatively safe to use in a home setting, as they are not as prone to leaking as other types of gas. They are also easily ignited, which makes it easy for users to control the heat and flame of their stovetops.

Learn more about hydrocarbons :

https://brainly.com/question/30907363

#SPJ4

Answer:

0.05 moles

Explanation:

Formula: MgSO\(_{4}\)

Molecular mass: 120.366 g/mol

Given mass: 6.022 g

Setting up ratio between moles and mass:

moles      :      mass

   1           :       120.366

   X          :       6.022

X = 6.022/120.366

X = 0.05 moles

Answer:The nucleus contains two types of subatomic particles,  

       protons and neutrons.

Explanation:The protons have a positive electrical charge and the neutrons have no electrical charge. A third type of subatomic particle, electrons, move around the nucleus.

Ten radish seeds were added to container A. Container B had no radish seeds. The purpose of the container B in this experiment is to serve as a control container.

By using controls, the experimenter can reduce the impact of factors other than the one being researched. This allows us to verify that an experiment is testing what it says it is testing. Controls are important for all sorts of experimental testing, regardless of the subject, and this goes beyond science.

Methylene blue is usually employed as a redox indicator in analytical chemistry. The solutions of this chemical are blue when in an oxidizing environment, but turn colorless when exposed to a reducing agent.

To know more about Controls experiment visit:

https://brainly.com/question/4444046

#SPJ9

Answer:

The most accurate way to determine an object's volume, especially in the case of an irregularly shaped object, is to immerse it in water and measure the amount of water it displaces. A graduated cylinder large enough to hold both the object and enough water to fully immerse it is the best tool for this job.

The pH strip is used to test the pH of a solution. The pH of water is neutral which is around 7.

The pH is known as the power of hydrogen. The pH is used to measure the  degree of basicity and acidity of a solution. The amount of hydrogen ion concentration in a solution determines the pH of the solution.  Mathematically, pH is given by the formula:

pH -= -log [H⁺]

The pH strip is a strip of litmus paper with which a person can measure the pH value of a liquid solution. The substance in the pH paper causes the paper to show a different color at different acidity values. The official pH scale is between the pH values of 0 to 14, where 0 is very acidic and 14 very alkaline and 7 is neutral pH.

Learn more about pH here:

https://brainly.com/question/15289714

#SPJ1

Answer:

The pH value of the water is 7. And I don't exactly know what would happen if you put a straw into it and blew into it, but if I had to make a guess then I would guess that the pH value would go down because the water is moving around.