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4 years ago

What is not represented by a balanced chemical equation?

Chemistry

2 answers:

KengaRu [80]4 years ago

6 0

Answer:

A balanced chemical equation follows law of conservation of mass. This law states that mass can neither be created nor be destroyed but it can only be transformed from one form to another form. This means that total mass on the reactant side is equal to the total mass on the product side.

daser333 [38]4 years ago

4 0

The same subscripts are on each side of the equation.

I hope this is the same question.

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A 75.0 g sample of dinitrogen monoxide is confined in a 3.q L vessel. What is the pressure( in atm) at 115 celsius

Nonamiya [84]

Data Given:
Pressure = P = ?

Volume = V = 3.0 L

Temperature = T = 115 °C + 273 = 388 K

Mass = m = 75.0 g

M.mass = M = 44 g/mol

Solution:
Let suppose the Gas is acting Ideally. Then According to Ideal Gas Equation,
P V = n R T
Solving for P,
P = n R T / V ------ (1)
Calculating Moles,
n = m / M

n = 75.0 g / 44 g.mol⁻¹

n = 1.704 mol

Putting Values in Eq. 1,

P = (1.704 mol × 0.08205 atm.L.mol⁻¹.K⁻¹ × 388 K) ÷ 3.0 L

P = 18.08 atm

7 0

3 years ago

Which of the following is true of liquids and solids?

gayaneshka [121]

The answer is D. This is because liquids take up the shape of the container they are in, so it is never definite. Where as solids stay the same shape.

3 0

4 years ago

The rate of dissolution is affected by all of the following except the A. agitation of solute within the solvent. B. surface are

laila [671]

Answer:

Explanation:

cause surface area of solute is not necessary for solution

8 0

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.

For more information on benzene and ethanol kindly visit to

brainly.com/question/13162013

#SPJ4

4 0

1 year ago

zimovet [89]

C) A chlorine atom can form ionic bonds by accepting an electron and covalent bonds by sharing electrons

Explanation:

The statement that best explains the behavior of chlorine is that its atom can form ionic bonds by accepting an electron and covalent bonds by sharing electrons.

To form an ionic bond, two atoms combines together via electrostatic attraction between them.
Ionic bonds are formed between metals and non-metals.
The large electronegativity difference between the two specie is the driving factor.
In forming NaCl compound, Na donates electron which is accepted by Chlorine.
This leaves a positive charge on Na and a negative charge on chlorine and the ensuing electrostatic attraction forms an ionic bond.

To form the covalent bond, the chlorine shares their valence electrons between themselves. They have an equal affinity for these electrons and this leads to the formation of a non-polar covalent bond

learn more:

Ionic bonds brainly.com/question/6071838

Polar molecules brainly.com/question/12538321

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4 0

3 years ago