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GREYUIT [131]
3 years ago
15

How many molecules of co2 form when 2.00 g of c2h5oh are produced?

Chemistry
1 answer:
Ronch [10]3 years ago
4 0
The reaction involved in this problem is called the combustion reaction where a hydrocarbon reacts with oxygen to product carbon dioxide and water. The reaction of C2H5OH would be as follows:

C2H5OH + 3O2 = 2CO2 + 3H2O

To determine the number of molecules of CO2 that is formed, we need to determine the number of moles produced from the initial amount of C2H5OH and the relation from the reaction. Then we multiply avogadros number which is equal to 6.022x10^23 molecules per mole. 

2.00 g C2H5OH ( 1 mol C2H5OH / 46.08 g C2H5OH ) ( 2 mol CO2 / 1 mol C2H5OH ) = 0.0868 mol CO2
0.0868 mol CO2 ( 6.022x10^23 molecules / mol ) = 5.23x10^22 molecules CO2
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Water is a polar solvent. Which of the following will not dissolve in water?
Rom4ik [11]
Answer: option B.olive oil.

Explanation.

The general rule of thumb when you analyze the ability of a solvent to dissolve a solute is that lke dissolves like.

That means:

1) polar solvents dissolve ionic or polar solutes

2) Non-polar solvents dissolve non-polar solutes

3) Non-polar solvents do not dissolve polar and ionic solutes 

4) Polar solvents do not dissolve non-polar solutes.


There are exceptions, but the rule is applicable in here.

<span>
A. table salt: it is NaCl, a ionic compound, so the water which is a polar solvent will dissolve the table salt.

B. Olive oil: the oils are non-polar organic compounds, so it will not be dissolved in a polar solvent.

C. Vinegar: vinegar is acetic acid, which is a polar organic compound, so it will be dissolved in water.

D. Sugar: sugar (sucrose) is a polar organic compound, so it will get dissovled in water.</span>
4 0
2 years ago
Which reason best explains why plasmas are good conductors of electricity? They have mobile charged particles. They are at extre
Korolek [52]

Answer:

They have mobile charged particles.

Explanation:

Plasma refers to very hot matter such that the electrons in matter are ripped away from the atoms leading to the formation of an ionized gas.

We know that the carriers of electricity are charged particles. Any state of matter that has an abundance of charge carriers will definitely be a good conductor of electricity.

Therefore, plasmas are good conductors of electricity because they have a lot of mobile charged particles.

5 0
2 years ago
Read 2 more answers
Define What is boiling
kozerog [31]

Answer:

Boiling is the rapid vaporization of a liquid, which occurs when a liquid is heated to its boiling point, the temperature at which the vapour pressure of the liquid is equal to the pressure exerted on the liquid by the surrounding atmosphere.

Explanation:

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8 0
2 years ago
WHY is there a difference between how an electrolytes and non electrolytes affect collegiative properties?
natulia [17]
 <span>Colligative properties are dependent upon the number of molecules or ions present in solution. Therefore, 1 mole of Na2SO4 will produce 3 moles of ions and so it will have 3 times as much of an effect as 1 mole of sugar, which is not an electrolyte and can't dissociate to an appreciable extent.</span>
4 0
2 years ago
What kind of product is formed when a ketone reacts with a grignard reagent followed by protonation?
svet-max [94.6K]

c. a tertiary alcohol; when a ketone reacts with a grignard reagent followed by protonation a tertiary alcohol is formed.

More about tertiary alcohol:

No hydrogen atoms are bonded to the functional group's carbon in a tertiary alcohol. Alcohols that have a hydroxyl group bonded to the carbon atom and are linked to three alkyl groups are referred to as tertiary alcohols. These alcohols' structural makeup largely determines their physical characteristics.

This -OH group's existence enables alcohols to create hydrogen bonds with the atoms next to them. Because of this weak connection, alcohols have higher boiling points than their alkane counterparts.

The alcohol is referred to as a tertiary (3°) alcohol if the carbon atom carrying the alcohol group is connected to three other carbon atoms in the alcohol molecule.

Learn more about tertiary alcohol here:

brainly.com/question/17419424

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8 0
2 years ago
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