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4 years ago

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Chemistry

2 answers:

Slav-nsk [51]4 years ago

7 0

Sure I can be friends with u xd

maks197457 [2]4 years ago

5 0

Answer:

YESSSSSSSS

Explanation:

I have the same name as you!

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Methyl salicylate is a common active ingredient in liniments such as ben-gay. It is also known as oil of wintergreen. It is made

arlik [135]

Answer: The empirical formula is $C_3H_3O$ .

Explanation:

The chemical equation for the combustion of hydrocarbon having carbon, hydrogen and oxygen follows:

$C_xH_yO_z+O_2\rightarrow CO_2+H_2O$

where, 'x', 'y' and 'z' are the subscripts of Carbon, hydrogen and oxygen respectively.

We are given:

Mass of $CO_2$ = 12.24 g

Mass of $H_2O$ = 2.505 g

Molar mass of carbon dioxide = 44 g/mol

Molar mass of water = 18 g/mol

For calculating the mass of carbon:

In 44g of carbon dioxide, 12 g of carbon is contained.

So, in 12.24 g of carbon dioxide, = $\frac{12}{44}\times 12.24=3.338g$ of carbon will be contained.

For calculating the mass of hydrogen:

In 18g of water, 2 g of hydrogen is contained.

So, in 2.505 g of water, = $\frac{2}{18}\times 2.505=0.278g$ of hydrogen will be contained.

Mass of oxygen in the compound = (5.287) - (3.338+0.278) = 1.671 g

Step 1 : convert given masses into moles.

Moles of C = $\frac{\text{ given mass of C}}{\text{ molar mass of C}}= \frac{3.338g}{12g/mole}=0.278moles$

Moles of H= $\frac{\text{ given mass of H}}{\text{ molar mass of H}}= \frac{0.278g}{1g/mole}=0.278moles$

Moles of O= $\frac{\text{ given mass of O}}{\text{ molar mass of O}}= \frac{1.671g}{16g/mole}=0.104moles$

Step 2 : For the mole ratio, divide each value of moles by the smallest number of moles calculated.

For C = $\frac{0.278}{0.104}=3$

For H = $\frac{0.278}{0.104}=3$

For O = $\frac{0.104}{0.104}=1$

The ratio of C : H : O = 3: 3: 1

Hence the empirical formula is $C_3H_3O$ .

5 0

3 years ago

The graphic represents the Milky Way galaxy.

il63 [147K]

Answer:

planets,meteoroids and asteroids

Explanation:

3 0

3 years ago

The substrate is the same in parts a and b, however the mechanism that proceeds is different. Explain how the choice of solvent

GenaCL600 [577]

Answer:

See explanation

Explanation:

The reaction of a benzyl bromide with a nucleophile may proceed by SN1 or SN2 mechanism depending on the nature of the solvent used.

Since SN1 reaction involves the formation of a carbocation, it usually predominates in the presence of a poor nucleophiles and protic solvents. Hence when methanol is used as solvent and a poor nucleophile is used, SN1 mechanism predominates.

However, when acetone which is an aprotic solvent is used in the presence of a good nucleophile, SN2 reaction mechanism predominates.

3 0

3 years ago

The balanced equation for the reaction between iron sulfied and water is best represented by?

nika2105 [10]

FeS + H₂O → FeO + H₂S

Explanation:

Iron Sulfide = FeS

Water = H₂O

FeS + H₂O → FeO + H₂S

To balance this equation, we can use a mathematical method. This involves solving simple algebraic equations

aFeS + bH₂O → cFeO + dH₂S

a,b,c and d are the coefficients needed to balance up the equation:

Conserving Fe: a = c

S: a = d

H: 2b = 2d

O: b = c

let a = 1, c= 1, b = 1 d = 1

The balanced equation is: FeS + H₂O → FeO + H₂S

learn more:

Balanced equation brainly.com/question/2612756

#learnwithBrainly

4 0

3 years ago

Which component in this mixture has the lowest density? A. glass. . B. water. . C. sawdust. . D. sand

Yuri [45]

The component in the mixture with the lowest density would be the component floating on the top of the mixture, i.e. the lightest in weight. Therefore, it would be the sawdust.

3 0

3 years ago

Read 2 more answers