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until the discovery of urea, in 1828, by Friedrich Wohler, chemists divided compounds that were producible and compounds that were only made by organisms. the compounds that were made by organisms were known as organic compounds. urea, being a reaction that happens in your liver, was a organic compound. by accident, Friedrich had synthesized an organic compound.
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What is the definition of social change?
what is social change
Definition of socio and cultural change?
Social change is a change in society. Cultural change is a change in culture.
What is the definition of Conflict and change?
when there is conflict between or with societies,change is the result
What is the definition of urban change?
urban change is the movent of cities from one place to another
Examples of transpose sentence?
Definition: Transpose, change, switch
Is NaC3H5O3 an organic compound?
Yes, NaC3H5O3 is an organic compound because it contains carbon-hydrogen bonds and is primarily composed of carbon and hydrogen atoms. Additionally, the presence of the sodium ion (Na) does not change its organic nature.
If a compound x reacts with another compound y to form a compound z what kind of change would this reaction represnt?
The reaction would be a combination reaction. This type of reaction is also sometimes referred to at a synthesis reaction.
Is methane a voc?
Yes, methane is considered a volatile organic compound (VOC) as it is a greenhouse gas that can contribute to air pollution and climate change.
The theory of modern synthesis states that evolution involves changes in a population's?
population
Explian why or why not an external Excel spreadsheet linked into a word document and a web page are or are not compound document within the Microsoft office frame work or environment?
The spreadsheet does not change. The combination is called a compound document because of definition.
Synthesis reactions invole?
Synthesis reactions involve the combination of two or more reactants to form a single product. These reactions are often represented by the general chemical equation: A + B -> AB. They are commonly used in organic chemistry to build complex molecules from simpler starting materials.
How bromine is used to test for unsaturation in organic compounds?
Bromine is used as a reagent to test for unsaturation in organic compounds due to its ability to react with alkenes and alkynes, which contain carbon-carbon double or triple bonds. When bromine is added to a saturated compound, no reaction occurs, and the reddish-brown color of bromine persists. However, if the compound is unsaturated, bromine will react with the double or triple bonds, resulting in a color change as the reddish-brown color disappears. This decolorization indicates the presence of unsaturation in the organic compound.
How do you change your diet from non-organic to organic foods?
You change your diet from non-organic to organic foods by only drinking and eating products that are labeled as organic without chemicals, genetically modified organisms and preservatives.
What is the best definition of the enthalpy of formation Hf?
The enthalpy of formation (ΔHf) is the heat associated with the formation of one mole of a compound from its elements in their standard states. It represents the energy change when the compound is formed from its constituent elements under standard conditions.
What is the color of aqueous bromine after addition of the hydrocarbon?
The aqueous bromine will change from orange to colorless after addition of a hydrocarbon due to the formation of an organic bromide compound.
Why did the color change from orange in the aqueous layer to magenta in the organic layer?
The color change from orange in the aqueous layer to magenta in the organic layer typically indicates a shift in the chemical environment of a dye or indicator due to differences in polarity between the two layers. In the aqueous layer, the compound may exist in a form that absorbs light differently, producing an orange hue. When transferred to the organic layer, the compound's solubility and molecular interactions with the organic solvent alter its electronic structure, leading to the magenta color. This is often observed in experiments involving acid-base indicators or certain dyes that respond to changes in their surroundings.
What did the framers of the modern synthesis not use in formulating this synthesis a. populations as unit of evolution b. rapid change was prevalent c. natural selection was not imp?
b. rapid change was prevalent.
