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Chemistry

1 answer:

STatiana [176]2 years ago

3 0

Answer:

Explanation:

An apple, potato, and onion all taste the same if you eat them with your nose plugged

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Care sunt factorii de poluare a aerului?

bulgar [2K]

Answer:

Arderea de combustibili fosili, activități agricole, eșapament din fabrici și industrii, operațiuni miniere și poluarea aerului interior

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3 years ago

Mount Rushmore national memory in South Dakota was carved out of grantie that formed from cooled magma what type of rock matches

gulaghasi [49]

Answer:

igneous rocks

Explanation:

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3 years ago

Marie Curie discovered that an element called gave off atomic energy.

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The element that she discovered was radium.

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3 years ago

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What would be the concentration of a solution resulting when you dissolve 4.725g of nacl (molar mass = 58.45) in water to make a

aliya0001 [1]

There are a number of ways to express concentration of a solution. This includes molarity. It is expressed as the number of moles of solute per volume of the solution. To convert the mass of the solute to moles, we use the molar mass of the substance. We calculate as follows:

MOlarity = 4.725 g ( 1 mol / 58.45 g ) / .5 L = 0.162 mol / L

3 0

3 years ago

Heating carvone with aqueous sulfuric acid converts it into carvacrol. The mechanism involves the following steps:

Fittoniya [83]

Answer:

See figure 1

Explanation:

In this question, we have to start with the protonation of the double bond. In carvone we have two double bonds, so, we have to decide first which one would be protonated.

The problem states that the terminal alkene is the one that would is protonated. Therefore, we have to do the protonation in the double bond at the bottom to produce the carbocation number 1. Then, a hydride shift takes place to produce the carbocation number 2. A continuation, an elimination reaction takes place to produce the conjugated diene. Then the diene is protonated at the carbonyl group and with an elimination reaction of an hydrogen in the alpha carbon we can obtain carvacol. 

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3 years ago