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Hydrocarbons

Hydrocarbons include Alkanes, Alkenes, Alkynes, Aromatic and Alicyclic compounds.

2,710 Questions

What observation about methane can be explained using the orbital hybridization theory?

Simply it is SP3 Hypridization three P orbitals + one S orbital formed the 4 sp3 orbitals and it is logic experimentally u can see that Methane Molecule is tetrahedral so it has 4 corners

which means 4 bonds

Why do egg yolks turn green when hard boiled on propane?

Green yolks in hard-boiled eggs are a result of overcooking, not the cooking method used. This occurs when sulfur and iron compounds in the egg react, creating ferrous sulfide, which gives the greenish color. To prevent this, avoid boiling eggs too long and immerse them in cold water after cooking to stop the cooking process.

How many molecules of ethane are present in 0.334 grams of ethane?

To find the number of molecules of ethane in 0.334 grams, you would first convert the mass to moles using the molar mass of ethane. Then, you can use Avogadro's number (6.022 x 10^23 molecules/mol) to find the number of molecules in that number of moles.

Which produces more Methane gas A Grass Feed Cow or a Corn fed cow?

Cows that consume grass produce more methane than cows on a high-concentrate or high-grain diet. This is because more acetate is produced than proprionate, which gets converted by the methanogens in the rumen to methane gas, which must be expelled through eructation or belching.

How many moles of methane are required to produce 22g of CO2?

The balanced chemical equation for the combustion of methane is CH4 + 2O2 -> CO2 + 2H2O. This means that for every mole of CH4 that reacts, one mole of CO2 is produced. The molar mass of CO2 is about 44g/mol, so 22g CO2 is equivalent to 0.5 moles. Therefore, 0.5 moles of CH4 are required to produce 22g of CO2.

What happens if there is an insufficient supply of oxygen during the combustion of a hydrocarbon?

Like any other hydrocarbons, benzene and methylbenzene burn in a plentiful supply of oxygen to give carbon dioxide, water and oxygen my guess would be that if you didnt have enough in the first place nothing would happen becuase the eqaution of combustion has to be ballance so if thers 2 h2o there has to be to of everthing else or nothing would happen

How owns the propane tank when you buy a home?

Typically, the seller owns the propane tank when you buy a home, unless otherwise specified in the purchase agreement. It's important to clarify ownership and responsibility for the tank in the sales contract to avoid any confusion. You may choose to negotiate with the seller to include the tank as part of the sale or arrange for a lease or rental agreement with the propane supplier.

Which are examples of redox reactions a banana turning brown a car rusting burning propane or mixing sodium hydroxide with hydrochloric acid to form table salt and water?

Examples of redox reactions among the given options are:

  • Rusting of a car
  • Burning propane

The banana turning brown and mixing sodium hydroxide with hydrochloric acid to form table salt and water do not involve redox reactions.

How can you say that propane and cyclopropane are isomers?

No

Propane is C3H8
Cyclopropane is C3H6..................Therefore they have different chemical compositions and are completely different molecules and not isomers.

Propene C3H6 is however an isomer of cyclopropane

Name three substances obtained from common salt?

Three substances obtained from common salt are sodium chloride (table salt), bleach (sodium hypochlorite), and baking soda (sodium bicarbonate).

Do septic tanks produce methane gas?

Yes, septic tanks can produce methane gas as a byproduct of the anaerobic digestion process that breaks down organic matter in the tank. Methane is a greenhouse gas and can be released into the atmosphere if the septic system is not properly vented or sealed.

Is turpentine an alkane or alkene?

Turpentine is a mixture of compounds primarily containing terpenes, which are cyclic hydrocarbons known as alkene.

Illustrate with equation the preparation of alkanes by wurtz synthesis?

wurtz synthesis: 2CH3Cl + 2Na = CH3-CH3 + 2NaCl

Grignard Synthesis:

- Preparation of Grignard reagent: CH3Cl + Mg = CH3MgCl

- Hydrolysis of Grignard reagent: CH3MgCl + HCl = CH3-H + MgCl2

Why is the methane in a cigarette harmful?

There is no butane in cigs. Jackass. For the Jackass who said there is no Butane in cigarettes..... Butane - One other component in cigarette residue is Butane, which is the odorous liquid used in lighter fluids. One would be surprised to know that Butane is not only used in lighting up sticks of cigarette, but it can be found within the cigarette as well. Inhaling Butane with each drag of a cigarette is very harmful to a person's respiratory system.

The combustion of 0.4196 g of a hydrocarbon containing only C and H releases 17.55 kj of heat the masses of the products are CO2 equals 1.219 g and H2O equals 0.290 g?

whats is the empirical formula of the compound? if the approximate molar mass of the compound is 76g/mol, calculate its standard enthalpy of formation

ANSWER

1.419 g CO_2_ * 1 mol CO_2_ /44.01 g CO_2_ *1mol C/1 mol CO_2_ = 0.03224 mol C

0.290 H_2_O * 1mol H_2_O/18.02 g H_2_O * 2 mol H/1mol H_2_O=0.03219 MOL H

Ratio is 1:1 so empirical formula is CH=13g/mol

molar mass 76g/mol ->76/13=6

molecular formula C_6_H_6_

2C_6_H_6_+15O_2_----->12CO_2_ + 6H_2_O

17.55kj/0.4196 C_6_H_6_* 78.11G C_6_H_6_/1mol C_6_H_6_ * 2 mol C_6_H_6_= 653 kj/mol (releases)

Hrxn=12H_f_CO_2_ + 6H_f_ H_2_O - 2 H_f_ C_6_H_6_ - 15

-6534kj/mol=(120(-39305kj/mol)+6(-285.8kj/mol)-(2)(H_f_ C_^_H_^_)-(15) (0)

H_f_(C_6_H_6_)=49kj/mol

What is the best propane water heater?

Tankless. A tankless heater heats the water as you use it. It doesn't store hot water and keep it hot day and night whether any is used or not. The water is heated almost instantaneously, and the heater will keep the hot water flowing as long as the water is turned on.

Is heptane a gas?

Yes, heptane is a colorless liquid at room temperature. It is a hydrocarbon compound with the chemical formula C7H16.

What is the difference between pentane and butane gas?

Pentane has five carbon atoms in its chain, while butane has four carbon atoms. Pentane has a higher boiling point and is less volatile compared to butane. In terms of uses, butane is commonly used in portable stoves and lighters, while pentane is used as a solvent and in the production of polystyrene foam.

What is the minimum weight before placarding a vehicle when hauling propane?

The minimum weight for placarding a vehicle when hauling propane is 1,001 pounds (454 kilograms) of propane. This weight threshold triggers the requirement for placards indicating the transportation of a hazardous material.

How many cubic feet are in 17 pounds of propane?

Propane has a density of about 4.2 pounds per gallon. So, 17 pounds of propane would be approximately 4.05 gallons. Since 1 gallon is equivalent to 0.133681 cubic feet, 17 pounds of propane would be roughly 0.54 cubic feet.

What volume of carbon dioxide gas is produced after the complete combustion of 1 L of methane gas?

When methane is completely combusted, 1 mole of methane yields 1 mole of carbon dioxide. So, if 1 liter of methane gas is burned, it would produce 1 liter of carbon dioxide gas.

How are hydrocarbon molecules separated?

Hydrocarbon molecules can be separated through processes such as distillation, which takes advantage of differences in boiling points, or through techniques like chromatography, which separates compounds based on their affinity for a stationary phase. Additionally, techniques like fractional distillation or fractional crystallization are used to separate hydrocarbons based on differences in their physical properties.

Can you use a propane tank as a nozz or n2o tank?

The answer is NO

LPG (Liquefied Petroleum Gas) is stored at around 150-200psi. Nitrous Oxide is stored at around 800psi

A propane tank is simply not strong enough to contain N2O. If one would use N20 in a propane tank the tank would rupture before any sizable amount of "giggle gas" would be added.

-CJP

Why is hexane good at removing oil stains?

Hexane is exerts a large amount of dispertion forces and thus it is a good solvent for large molecules. You see, the larger a molecule is the more dispertion forces it has.

What does all this mean? Well, if two molecules exert the same kind of forces the are miscible. And you guessed it right, oils have a great deal of dispertion forces. Thus hexane is good at dissolving oil stains.