All categories

3 years ago

Which formula represents a hydrocarbon

Chemistry

2 answers:

Nata [24]3 years ago

8 0

The formula for hydrocarbon is CnH(2n+2).

DiKsa [7]3 years ago

5 0

This question is incomplete. Here is the complete question:

Which formula represents a hydrocarbon?

(1) CH3I

(2) CH3NH2

(3) CH3CH3

(4) CH3OH

Answer:

The correct answer is option (3) CH3CH3 .

Explanation:

Hydrocarbon is an organic compound and as we can see in its formula, it is composed of hydrogen (H) and carbon (C).

Each carbon has 4 electrons, it is for this reason that it will have to make four bonds for the union to be stable, and since these bonds in carbon are generated in an easy and strong way, this will allow thousands of types to be generated of hydrocarbons.

There are different chains that these atoms can form:

Linear / Branched
Open / Closed

In turn, hydrocarbons can be classified as aliphatic or aromatic.

Given this information we can say that the correct answer is option C.

You might be interested in

How many grams of methane gas (CH4) need to be combusted to produce 12.5 L water vapor at 301 K and 1.1 atm? Show all of the wor

tangare [24]

Answer is: 4.45 grams of methane gas need to be combusted.
Balanced chemical reaction: CH₄ + 2O₂ → CO₂ + 2H₂O.
Ideal gas law: p·V = n·R·T.
p = 1.1 atm.
T = 301 K.
V(H₂O) = 12.5 L.
R = 0,08206 L·atm/mol·K.
n(H₂O) = 1.1 atm · 12.5 L ÷ 0,08206 L·atm/mol·K · 301 K.
n(H₂O) = 0.556 mol.
From chemical reaction: n(H₂O) : n(CH₄) = 2 : 1.
n(CH₄) = 0.556 mol ÷ 2 = 0.278 mol.
m(CH₄) = 0.278 mol · 16 g/mol.
m(CH₄) = 4.448 g.

4 0

3 years ago

a molecule of two nitrogen atoms and four oxygen atoms what is the molecule formula for this compound

kiruha [24]

The formula would be N2O4

6 0

3 years ago

Read 2 more answers

Oxygen and hydrogen form the polyatomic hydroxide ion. What is its charge?

prohojiy [21]

Answer:

negative

the chage on hydroxide ions os negative

4 0

3 years ago

Read 2 more answers

Which symbol represents a salt? C2H2 NaCl O2 C6H12O6

True [87]

Answer:

NaCl

Explanation:

represents table salt

3 0

3 years ago

Read 2 more answers

A 4.00L flask containing Ne at 25 C and 6.00 atm is joined by a valve to an 8.00 L flask Ar at 25 C and 2.00 atm.

timama [110]

Answer:

$P=3.33atm$

Explanation:

Hello!

In this case, since know the volume, temperature and pressure of the initial containers, we can compute the moles of each gas prior to the opening of the valve as shown below:

$n_{Ne}=\frac{6atm*4L}{0.08206\frac{atm*L}{mol*K}*298.15K} =0.981molNe\\\\n_{Ar}=\frac{2atm*8L}{0.08206\frac{atm*L}{mol*K}*298.15K} =0.654molAr$

Next, we add them up to obtain the total moles:

$n_T=0.981mol+0.654mol=1.635mol$

Now, the total volume:

$V_T=4.00L+8.00L=12.00L$

Finally, the total pressure is computed by using the ideal gas equation:

$P=\frac{1.635mol*0.08206\frac{atm*L}{mol*K}*298.15K}{12.00L}\\\\P=3.33atm$

Best regards!

6 0

3 years ago