Calculate the density of N2O gas, in grams per liter, at 110C and 12 atm.

Answer:

7. 3–ethyl–6 –methyldecane

8. 5–ethyl–2,2–dimethyl–4–propyl–4 –heptene

Explanation:

It is important to note that when naming organic compounds having two or more different substituent groups, we simply name them alphabetically.

The name of the compound given in the question above can be written as follow:

7. Obtaining the name of the compound.

Compound contains:

I. Decane.

II. 3–ethyl.

III. 6 –methyl.

Naming alphabetically, we have

3–ethyl–6 –methyldecane

8. Obtaining the name of the compound.

Compound contains:

I. 2,2–dimethyl.

II. 4–propyl.

III. 4 –heptene.

IV. 5–ethyl.

Naming alphabetically, we have

5–ethyl–2,2–dimethyl–4–propyl–4 –heptene

When NaCl is added green colour and when AgNO3 is added no effect H20 is added blue colour and when heat is added green colour is prominent.

What is le chatelier's principle?
A system in chemical equilibrium can be predicted using Le Chatelier's principles, often known as the equilibrium law (such as the change in temperature or pressure). Henry Louis Le Chatelier, a French chemist, is honoured by the principle's name.

H20 is added (blue colour) Increasing the amount of product shifts the equilibrium towards left backward reaction.

NaCl is added (green colour) Addition of reactants shift equilibrium towards right side.

AgNO3 is added(No effect) Catalyst has no effect

Heat is added(green)  shifts towards right side as it is already endothermic so more favours in the formation of products.

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AgNO3 has no effect when added and turns green when NaCl is added. With the addition of heat ,green colour becomes prominent .If H20 is added it becomes blue.

The principle of Le Chatelier is what?

As long as a system is left alone and in its equilibrium condition, it will stay there forever. A net reaction will typically occur if the equilibrium is disturbed by changing the pressure, temperature, or the amount of a material in the system, which tends to bring the system to a new equilibrium state. This net reaction, according to Le Chatelier's principle, will take place in a way that partially cancels out the change.

Added is H20 (blue colour) The equilibrium is shifted toward left reverse reaction by increasing the product amount.

Addition of NaCl (green colour) Reactant addition shifts equilibrium to the right.

Added is AgNO3 (No effect) Ineffective catalyst

When heat is introduced (green), it shifts to the right side because it is already endothermic, which helps the production of products more.

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Paper used as a writing material is made of pulp (wood).

Paper is a sheet material used for writing on or printing on (or as a non-waterproof container), usually made by draining cellulose fibres from a suspension in water.

Paper is made from cellulose found in trees, which are the main source of cellulose fibre (or woodpulp). Besides woodpulp, paper can be made from other materials such as cotton, flax, esparto, straw, hemp, manilla and jute.

Wood pulp is usually a softwood, used for pulping to make paper.

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Human activities have a tremendous impact on the carbon cycle. Burning fossil fuels, changing land use, and using limestone to make concrete all transfer significant quantities of carbon into the atmosphere. ... This extra carbon dioxide is lowering the ocean's pH, through a process called ocean acidification.

Answer: The answer might be A or B.

Explanation:

Answer:

90% to 97% pure tungsten in a matrix of nickel and copper or nickel and iron.

Explanation:

Heavy metal tungsten alloys are 90% to 97% pure tungsten in a matrix of nickel and copper or nickel and iron. The addition of these alloying elements improves both the ductility and machinability of these alloys over non-alloyed tungsten.

The person who answered your question is right, just commenting because otherwise the points would go to waste. Thank you and have a great day!

Answer:

Temperature usually increases when water condenses. What behavior of water is most directly responsible for this phenomenon? The release of heat by the formation of hydrogen bonds. Hydrogen bonds stabilize and keep the of ice farther apart than the water molecules of liquid water.

When 216.59 g of HgO completely reacts, 16.00 g of O2 will be produced.

The oxygen produced

The balanced chemical equation for the reaction:

2HgO(s) → 2Hg(l) + O2(g)

states that 2 moles of HgO will produce 1 mole of O2.

We can use the molar mass of HgO and the mole ratio of HgO to O2 to calculate the mass of O2 produced from a given mass of HgO.

The molar mass of HgO is 216.59 g/mol (200.59 g/mol for Hg + 16.00 g/mol for O).

So, 1 mole of HgO has a mass of 216.59 g.

According to the balanced equation, 2 moles of HgO produce 1 mole of O2.

Therefore, 1 mole of O2 has a mass of 32.00 g.

Using stoichiometry, we can calculate the mass of O2 produced when a certain mass of HgO reacts completely.

For example, if we start with 216.59 g of HgO (1 mole), then the amount of O2 produced will be 0.5 moles (1 mole of O2 for every 2 moles of HgO), which is equivalent to 16.00 g of O2 (0.5 moles of O2 x 32.00 g/mol).

So, when 216.59 g of HgO completely reacts, 16.00 g of O2 will be produced.

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The decomposition of aspirin (acetylsalicylic acid,\(C_{9} H_{8} O_{4}\)) can occur through the hydrolysis reaction, resulting in the formation of acetic acid (\(CH_{3} COOH\)) and salicylic acid (\(C_{7} H_{6}O_{3}\)).

The decomposition of aspirin (acetylsalicylic acid, \(C_{9} H_{8} O_{4}\)) can occur through the hydrolysis reaction, resulting in the formation of acetic acid (\(CH_{3} COOH\)) and salicylic acid (\(C_{7} H_{6}O_{3}\)). To determine the moles of each product formed, we need to consider the balanced chemical equation for the reaction:

\(C_{9} H_{8} O_{4} = > C_{7} H_{6}O_{3} +CH_{3} COOH\)

From the equation, we can see that for every 1 mole of aspirin, 1 mole of salicylic acid and 1 mole of acetic acid are produced.

Therefore, the moles of salicylic acid and acetic acid formed will be equal to the number of moles of aspirin that decomposes. If we know the amount of aspirin in moles, we can directly calculate the moles of each product based on stoichiometry.

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Answer:

To find the value of y, we need to use the concept of molar ratios and the mole concept.

First, we need to calculate the number of moles of aluminum and oxygen in the given sample of ore. We can do this by dividing the mass of each element by its respective atomic mass:

Number of moles of aluminum = 5.4 kg / 27 g/mol = 200 moles

Number of moles of oxygen = 4.8 kg / 16 g/mol = 300 moles

Next, we can determine the ratio of the number of moles of aluminum to oxygen in the sample. This ratio is:

Aluminum : Oxygen = 200 : 300

Simplifying this ratio by dividing both sides by 100, we get:

Aluminum : Oxygen = 2 : 3

According to the chemical formula of aluminum oxide (Al2O3), it contains 2 atoms of aluminum for every 3 atoms of oxygen. Therefore, the sample of ore must contain a whole number of units of this chemical formula. Let the number of units of Al2O3 be y.

Then, we can set up the following equation to solve for y:

2 moles of aluminum * y = 200 moles of aluminum

3 moles of oxygen * y = 300 moles of oxygen

Simplifying each equation, we get:

y = 100

y = 100

Since both equations give the same value for y, we can conclude that the sample of ore contains 100 units of Al2O3. Therefore, the value of y is 100.

Answer:

2) true 3)I think I A and there you go

As we know by the gases law, both altitude and weather conditions can influence the pressure of a gas.

So the time of the day would have the least influence on the initial pressure inside the flask.

Answer: Time of day; alternative "C".

The process of cellular respiration releases energy because the energy that is released when the bonds are formed in CO\(_2\) and water is equal to the energy required to break the bonds of sugar and oxygen. Therefore, the correct option is option A.

Cells turn sugars into energy through a process called cellular respiration. Cells need fuel or an electron acceptor to power the chemical process that converts energy into usable forms such as ATP along with additional kinds of energy that can be utilised to power cellular reactions.

All multicellular species, including eukaryotes, as well as certain single-celled organisms, generate energy by aerobic respiration. Utilising oxygen, which is the strongest electron acceptor found in nature, is called aerobic respiration. The process of cellular respiration releases energy because the energy that is released when the bonds are formed in CO\(_2\) and water is equal to the energy required to break the bonds of sugar and oxygen.

Therefore, the correct option is option A.

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Answer:

A. Element

B. Compound

C. Compound

D. Element

E. Compound

F. Compound

Explanation:

Elements are what is already on the periodic table and compounds are the substances created when they are combined.

Answer:

the family have been served dinner with the kids

the house has been watched by the police for week

the lights went off when i was doing my home work

Answer:

88.63494750000001

Explanation:

Convert moles Gold to gram.

Answer:

Answer: 1247.5 grams

Explanation:

explanation on image .

They contain Carbon, Nitrogen, Hydrogen, Oxygen, and Sulfur

The ideal gas law and stoichiometry must be used to calculate the volume of carbon dioxide gas produced by the breakdown of 4.09 g of calcium carbonate at STP (Standard Temperature and Pressure).

Use the molar mass of calcium carbonate (CaCO3) to determine how many moles it contains. CaCO3 has a molar mass of 100.09 g/mol.

CaCO3 mass divided by its molar mass equals the number of moles of CaCO3: 4.09 g/100.09 g/mol.

The number of moles of carbon dioxide (CO2) generated may be calculated using the stoichiometric ratio from the balancing equation. By using the equation:

A unit of CaCO3 and CO2 is produced.

CO2 moles equal the same number of moles of CaCO3.

Use the ideal gas law to translate the volume of carbon dioxide into moles.

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Hi there,

I hope you and your family are staying safe and healthy!

The correct answer is C

Each shell can contain only a fixed number of electrons. The first energy shell around a nucleus can hold up to 2 electrons. Then the second shell can hold up to 8 eletrcons.

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Best,

~Gary

Explanation:

A pure substance is a form of matter that has a constant composition and properties that are constant throughout the sample. Mixtures are physical combinations of two or more elements and/or compounds

Answer:

shale and siltstone

Explanation:

The Triceratops dinosaur fossils are approximately 70 million years old, because they are found in shale and siltstone that contain volcanic ash radiometrically dated at 70 million years.

Matter are anything that is made up of atoms. The quantity of matter can be observed only on the basis of mass and volume calculation. Therefore, in shale and siltstone, Scientists would most commonly find a fossil of triceratops.

Matter is a substance that has some mass and can occupy some volume. The matter is mainly used in science. Matter can be solid, liquid or gas.

Matter is anything that is made up of atoms. Anything around us that can be physically seen and touched are matter. Ice, water and water vapors are example of matter.

So as we saw that matter has some mass so mass can be measured in gram only. Mass can also be represented as number of molecules. We also saw that matter occupy some volume and that volume is measured only in liter.

Scientists would most commonly find a fossil of triceratops in shale and siltstone that contain volcanic ash radiometrically dated at 70 million years.

Therefore, in shale and siltstone, Scientists would most commonly find a fossil of triceratops.

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655 g of aluminum oxide can produce 346.22 g of pure aluminum.

The chemical equation for the extraction of aluminum from aluminum oxide is:

2 Al2O3(l) → 4 Al(l) + 3 O2(g)

This equation shows that 2 moles of aluminum oxide produce 4 moles of aluminum. Therefore, the molar ratio of aluminum to aluminum oxide is 4/2 = 2/1.

To find the mass of aluminum that can be extracted from 655 g of aluminum oxide, we need to first calculate the number of moles of aluminum oxide present:

n(Al2O3) = m(Al2O3) / M(Al2O3)

where:

m(Al2O3) = 655 g (the given mass of aluminum oxide)

M(Al2O3) = 101.96 g/mol (the molar mass of aluminum oxide)

n(Al2O3) = 655 g / 101.96 g/mol = 6.42 mol

From the chemical equation, we know that 2 moles of aluminum oxide produce 4 moles of aluminum. Therefore, the number of moles of aluminum that can be produced is:

n(Al) = n(Al2O3) × (2/1) = 6.42 mol × (2/1) = 12.84 mol

Finally, we can calculate the mass of aluminum that can be produced:

m(Al) = n(Al) × M(Al)

where:

M(Al) = 26.98 g/mol (the molar mass of aluminum)

m(Al) = 12.84 mol × 26.98 g/mol = 346.22 g

Therefore, 655 g of aluminum oxide can produce 346.22 g of pure aluminum.

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The molarity of the NiSO₄ solution made by dissolving 38.81 grams of nickel (ii) sulfate, NiSO₄, in enough water to make 0.467 liters of solution is 0.535 M

First, we shall obtain the mole of 38.81 grams of nickel (ii) sulfate, NiSO₄. Details below:

Mole of NiSO₄ = mass / molar mass

= 38.81 / 154.75

= 0.25 mole

Now, we shall determine the molarity of the solution. Details below:

Molarity of solution = mole / volume

= 0.25 / 0.467

= 0.535 M

Thus, the molarity of the solution is 0.535 M

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Answer:

negative charge

Explanation:

protons have a positive, nuetrons have a neutral charge , and electrons have a negative.