The two structures at the right of the image are the greatest contributors to the resonance structure of malachite green.
<h3>What is resonance structure?</h3>
In some cases, one single structure is insufficient to explain the properties of a substance. Now, we know that in such cases we have to invoke more than one structure in order to efficiently discuss the chemistry of the compounds in question.
In this case, we can see from the image that the three structures of malachite green are all resonance structures. However, the two structures at the right hand side are the greatest contributors because they are more conjugated. Hence, the two structures at the right of the image are the greatest contributors to the resonance structure of malachite green.
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Answer:
The mass percent of alcohol in a solution is 19.8 %
Explanation:
First of all we calculate the mass of each compound from the solution.
Solute → Ethyl alcohol
Solvent → Water
To determine the mass, we use density
Density = mass / volume → Mass = Density . volume
Mass of solute: 0.8 g/mL . 62 mL = 49.6 g
Mass of solvent: 1 g/mL . 200 mL = 200 g
Mass of solution = Solvent's mass + Solute 's mass
200 g + 49.6 g = 249.6 g
Mass percent of alcohol → (mass of alcohol / Total mass) . 100
(49.6 g / 249.6 g) . 100 = 19.8 %
2C₃H₆ + 9O₂ ------> 6CO₂ + 6H₂O
moles of C₃H₆ =
=
= 0.995 mol
ratio of C₃H₆ : O₂
2 : 9
∴ mol of O₂ =
= 4.479 mol
Mass of O₂ = (Molar Mass) * (Mole)
= (16 * 2) g/mol * (4.479)mol
= 143.31 g
Answer:
If Earth was tilted much less on its axis, it would lead to minor changes in precipitation and temperatures as Earth moves slightly towards and away from the sun.
Explanation:
If a planet tilts more, it leads to colder winters and warmer summers. However, if a planet tilts less, it leads to less severe seasons that is and milder winters and cooler summers.
If Earth was tilted much less on its axis, it would lead to minor changes in precipitation and temperatures as Earth moves slightly towards and away from the sun.
Answer:
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Explanation:
Limitations to population growth are either density-dependant or density-independent. Density-dependent factors include disease, competition, and predation. Density-dependant factors can have either a positive or a negative correlation to population size.