1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
slavikrds [6]
3 years ago
10

A sample of a hydrocarbon is found to contain 7.48g carbon and 2.52g hydrogen. What is the empirical

Chemistry
1 answer:
Aliun [14]3 years ago
6 0

Answer:

CH₄

Explanation:

To determine the empirical formula of the hydrocarbon, we need to follow a series of steps.

Step 1: Determine the mass of the compound

The mass of the compound is equal to the sum of the masses of the elements that form it.

m(CxHy) = mC + mH = 7.48 g + 2.52 g = 10.00 g

Step 2: Calculate the percent by mass of each element

%C = mC / mCxHy × 100% = 7.48 g / 10.00 g × 100% = 74.8%

%H = mH / mCxHy × 100% = 2.52 g / 10.00 g × 100% = 25.2%

Step 3: Divide each percentage by the atomic mass of the element

C: 74.8/12.01 = 6.23

H: 25.2/1.01 = 24.95

Step 4: Divide both numbers by the smallest one, i.e. 6.23

C: 6.23/6.23 = 1

H: 24.95/6.23 ≈ 4

The empirical formula of the hydrocarbon is CH₄.

You might be interested in
What is the correct name for TiF3
trapecia [35]

Answer:

Titanium fluoride

Explanation:

6 0
2 years ago
Read 2 more answers
If 21.3 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 297 Kelvin and 1.40 atmosph
Gnoma [55]
Hope it helped you.

4 0
3 years ago
The table describes how some substances were formed.
Tanzania [10]

R is the mixture formed by adding 5 g of sugar to 1 L of water.

<h3>Which is a mixture?</h3>

A mixture is an impure substance made up of two or more substances which are miscible or immiscible in each other.

Dissolving the sugar in the water makes a homogenous mixture and once dissolved a solution is made by the combination of a solute (sugar) and solvent (water).

Hence, R is the mixture formed by adding 5 g of sugar to 1 L of water.

Learn more about the mixture here:

here:brainly.com/question/17247700

#SPJ1

7 0
2 years ago
C2H5OH(l) + 3O2(g) → 2CO2(g) + 3H2O(g)<br><br> Which type of reaction is this?
erastova [34]

Answer: Combustion

Explanation:

3 0
1 year ago
A light twig is barely floating on the surface of water. What will most likely happen to the twig if a drop of dishwashing deter
horrorfan [7]

Answer;

- It will sink because soap disrupts the inter-molecular forces of water

Explanation;

-A light twig is barely floating on the surface of water. if a drop of dish washing detergent is added near it then it will sink because soap disrupts the inter- molecular forces of water.

-The twig was initially floating due to the force of surface tension created by the inter-molecular forces between water molecules. When soap is added to the water, the twig will be driven to sink by the disruption of the water's surface tension. This is because soap is a surfacant that is amphipathic and thus disrupts the inter-molecular forces between water molecules that are responsible for surface tension.

7 0
3 years ago
Other questions:
  • Researchers want to determine the best temperatures for storing batteries. Describe a possible experiment and list the variables
    6·1 answer
  • Which element is oxidized and which is reduced in the following reactions? (Part A) N2(g) + 3H2(g) →2NH3(g) Express your answers
    13·2 answers
  • Charles’ law explains which of these phenomena?
    11·2 answers
  • How many protons are in oxygen's nucleus?
    15·2 answers
  • Which radioisotope is used in dating geological
    10·2 answers
  • Energy released from atomic reactions is called?
    5·1 answer
  • Determine the mass in grams of 3.45 x 10^2 mol Co.
    10·1 answer
  • Predict the sign of enthalpy for reaction f+f=f2
    14·1 answer
  • PLEASE HELP!! IM BEING TIMED
    8·1 answer
  • How do you calculate metal density?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!