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3.9 Composition of Compounds -- Part 1
Additional multiplication is needed in the empirical formula.
5H12 is the correct empirical formula.
A sample of a compound containing only carbon and hydrogen produces 1.60 g CO2 and 0.819 g H2O.
The early chemists divided compounds into two categories.
They considered organic compounds to be those that originate from living things.
Salt comes from the ground or the ocean.
Early chemists recognized organic and inorganic compounds to be different in their properties and that they were different in their origin.
The organic compounds are easy to break down.
Inorganic compounds are more difficult to break down.
Eighteenth-century chemists were able to synthesise compounds in the laboratory, but not organic compounds.
This was considered to be a huge difference between the two types of compounds.
Even though organic chemistry is a subfield of chemistry, the differences between organic and inorganic compounds are viewed as organizational.
There are many organic compounds in everyday substances.
Many smells are caused by organic compounds.
cinnamaldehyde is an organic compound found in cinnamon and can be found in the air when you sprinkle it on your French toast.
The unique smell of cinnamon is what you experience when you inhale cinnamaldehyde.
The major components of living organisms are organic compounds.
The organic compound fuels, such as gasoline, oil, and natural gas, and they are the active ingredients in most cinnamaldehyde is responsible for the taste and smell of cinnamon.
Carbon is a key element in organic chemistry.
Carbon forms four bonds in its compounds.
Methane is the simplest organic compound.
The chemistry of carbon is complex because it bonds to itself frequently.
Carbon can form double bonds and triple bonds with itself and other elements.
A general survey of organic chemistry is a year long course because carbon can serve as the backbone of millions of different chemical compounds.
There are two types of organic compounds: hydrocarbons and functionalized hydrocarbons.
Common fuels include oil, gasoline, liquid propane gas, and natural gas.
Table 3.5 has a list of common hydrocarbons.
The name of the hydrocarbons is "normal", which means straight chain.
A specific atom or a group of atoms are incorporated into the hydrocarbon.
The general double bond of a molecule can be called a formula for an alcohol if carbon-carbon designates the hydrocarbon portion as "R".
The compound isopropanol is also known as rubbing alcohol.
The alcohol family of compounds includes Methanol and isopropyl alcohol.
The properties of the compound can be changed by the addition of a functional group.
There is a liquid in a room.
The common functional group gives some chemical similarities to members of the same family.
There are unique endings to the names of functional groups.
Some examples of functional groups, their general formulas, and their characteristic endings can be found in Table 3.6.
List the elements in the compound in order of their mass percent composition.
Determine the mass of potassium with the help of a calculator.
A compound is composed of 52.14% C, 13.13% H, and 34.7% O by mass.
35.21 g CO2 c) lead bicarbonate and 14.42 g H2O are produced by the burning of 30.42 g of a compound containing only b) lead(II) acetate carbon, hydrogen, and oxygen.
The average mass of the nuclei and the shared electrons is determined by the attraction between elements.
A compound is represented with a chemical formula which shows the elements present and the number of atoms.
The chemical formula of a compound shows the geometry of the molecule.
The relationship to mass can be extended by using the mass of one or more nonmetals as a bond.
The elements can be divided into two types, one consisting of carbon, hydrogen, and a few which are diatomic, and the other consisting of nitrogen, oxygen, and sulfur.
The simplest organic compounds are hydrocarbons, compounds.
Give an example of how much a compound is.
There are some examples of why functionalized.
Provide an example.
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