All categories

3 years ago

Which formula is both a molecular and an empirical formula?

2 answers:

7 0

3 C3H8O
because you cannot divide the subscripts anymore. The molecular formula is in it's simplest form. And C3H8O is a molecule as well.

Bess [88]3 years ago

3 0

Answer : The correct option is, (3) $C_3H_8O$

Explanation :

Empirical formula : It is defined as the simplest or most reduced ratio of atoms in a compound.

Molecular formula : It is defined as the how many atoms of each element present in a compound.

From the given options, the option (3) $C_3H_8O$ formula represent both a molecular and an empirical formula.

From $C_3H_8O$ formula, we can determine the molecular formula by multiplying the whole numbers (1, 2, 3, 4 ....etc.)

While the other options, (1), (2) and (4) do not represent both a molecular and an empirical formula. Only represent the molecular formula.

The molecular formula of Glucose is, $C_6H_{12}O_6$ and the empirical formula will be, $C_1H_2O_1$

The molecular formula of Ethanoic acid is, $C_2H_4O_2$ and the empirical formula will be, $C_1H_2O_1$

The molecular formula of Butene is, $C_4H_8$ and the empirical formula will be, $C_1H_2$

Hence, the formula represent both a molecular and an empirical formula is, $C_3H_8O$

You might be interested in

Two closed vessels contain chlorine gas at the same conditions of temperature and

wariber [46]

Answer:12 mol

Explanation: both vessels are at the same temp and pressure (and the pressure is low and/or the temperature high).

6.7mol per 1.3L = 6.7/1.3 mol/L

so in 2.33L = 6.7*2.33/1.3 = 12 mol

8 0

3 years ago

Can someone help me please :)

Fudgin [204]

I think it’s the third option but I’m not entirely sure

3 0

3 years ago

Read 2 more answers

A porpoise sends out an ultrasonic burst and hears the echo off his favorite food in 0.13 seconds. How far away is the food sour

aalyn [17]

Answer:

The porpoise would hear its echo first because sound travels faster in water than in air. The bat would hear its echo first because the amplitude of sound waves ...

Explanation:

5 0

3 years ago

How many significant digits are in the number 1.0 × 10^3?

Galina-37 [17]

121837481817381813727-

6 0

3 years ago

Read 2 more answers

Which of the following does the internal energy of an ideal gas depend upon?

Serggg [28]

Answer:

The correct option is: a. The internal energy depends upon its temperature.

Explanation:

Ideal gas is a hypothetical gas that obeys the ideal gas law. The equation for the ideal gas law:

P·V=n·R·T

Here, V- volume of gas, P - total pressure of gas, n- total mass or number of moles of gas, T - absolute temperature of gas and R- the gas constant

Also, according to the Joule's second law, the internal energy (U) of the given amount of ideal gas depends on the absolute temperature (T) of the gas only, by the equation:

$U = c_{V}nRT$

Here, $c_{V}$ is the specific heat capacity at constant volume

4 0

3 years ago