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ahrayia [7]
4 years ago
14

15. Why are the coefficients important in a balanced chemical equation- other than the fact that they are used to balance the eq

uation? What else are they used for? (3 points total) *
Chemistry
1 answer:
lara [203]4 years ago
5 0
The coefficients in a balanced chemical equation are important because they give the ratio of the reactants and the products.

Those ratios are fixed and when the reagents react do it in the same proportion and yield the products  in the same proportion of the coefficients.

Then, the coefficients are the basis for the calculations of  the amount of substances that react and the amount of substances that are formed as result of the reaction.
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Explain, in terms of particles, what happens when methane boils and why
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Answer:Butane > ethane > methane, because between bigger molecules there are stronger van der Waals forces and also higher molar mass means they need to be given more energy to have enough kinetic energy to move quickly, freely in gas.

There are multiple butene isomers (Butene) and some (2-Butenes - cis and trans) actually have higher boiling point than n-Butane (there is also Isobutane, of course, with quite much lower boiling point than all of them) and some (1-Butene, Isobutylene) have lower, so this isn't really a fair or simple question. But on simplest level, it can again be said that 1-butene has lower boiling point because it has very similar shape but slightly lower molar mass (2H less) than n-butane.

Explanation:

3 0
2 years ago
The difference between the calculated voltage (based on standard potentials) and the actual voltage required to cause electrolys
Mrrafil [7]

The difference between the calculated voltage (based on standard potentials) and the actual voltage required to cause electrolysis is called overvoltage.

<h3>Electrolysis </h3>

Electrolysis is the technique of causing a chemical change in a substance by passing an electric current through it. The substance either loses or gets an electron during the chemical transition (oxidation or reduction). The procedure is carried out in an electrolytic cell, a device made up of positive and negative electrodes that are kept apart and submerged in a solution with ions that are both positively and negatively charged. The chemical that needs to be converted might either be dissolved in the solution or could form the electrode. The negatively charged electrode (cathode) receives electrical current (i.e., electrons), which travels there and combines with the components of the solution to convert them (reduced).

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5 0
2 years ago
The invention of the ____ allows scientists to learn about cells.
zavuch27 [327]
The Microscope allowed scientists to learn about cells.
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3 years ago
What does non polar mean?
Hoochie [10]
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3 years ago
show transcribed data consider two organic molecules, ethanol and benzene. one dissolves in water and the other does not. why? t
aalyn [17]

Benzene lacks a polar O-H bond, but ethanol does. Benzene C6H6 with ethanol C2H6O.

Benzene fails the iodoform test, whereas ethanol does.

While ethanol burns with a non-luminous flame, benzene produces a sooty flame.

Iodoform testing shows that ethanol passes whereas benzene does not.

In contrast to benzene, which generates a sooty flame, ethanol burns with a non-luminous flame.

Water does not mix with benzene, but organic solvents do.

It is a colorless liquid with a pleasant scent.

Benzene has a high melting point and a moderate boiling point.

It burns with a sooty flame and is quite flammable.

A clear, colorless liquid, ethanol has a distinct flavor of burning with a nice aroma. It has high flammability. Ethanol combines easily with water and a variety of organic liquids and is used to dissolve other chemical compounds.

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4 0
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