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
timofeeve [1]
3 years ago
11

What’s the empirical formula of a molecule containing 65.5% carbon, 5.5% hydrogen, and 29.0% oxygen?

Chemistry
1 answer:
Yuri [45]3 years ago
5 0
The empirical formula is C₃H₃O.

Moles of C = 65.5/12.01
= 5.45 mol C
Moles of H = 5.5/1
= 5.5 mol H
Moles of O = 29.0/16
= 1.81 mol H
Moles of C: Moles of H: Moles of O =5.45: 5.5: 1.81 =
3.01: 3.0: 1 ≈ 3:3: 1
The empirical formula is C₃H₃O.
You might be interested in
Order how the energy is transferred in this scenario:
elena55 [62]
A. ) Chemical 

B.) Mechanical 

C.) Thermal 

D.) Potential

Hope this helps!
6 0
3 years ago
Condenation means what
Katen [24]

Answer: Heyaa! :)

Condensation is the process of water vapor turning back into liquid water!

Explanation:

Hopefully this helps you!

-Matthew ~

7 0
2 years ago
Explain how the ecosystem that you selected follows the law of conservation of mass and the law of conservation of energy. It is
trasher [3.6K]
In the ocean, light is used by phytoplankton in order to produce sugar.  10% of the energy from the sun is available to the zooplankton that eat the phytoplankton, the rest of the energy is lost as heat or through powering body building/functions/reproduction.  Whatever eats the zooplankton receives 10% of that energy in order to grow
3 0
4 years ago
Calculate the net force of the problem below and determine the direction it will travel
Travka [436]

Answer:

Where is the Net force u were supoose to put below we cant anwser with nothing being displayed

Explanation:

5 0
3 years ago
Read 2 more answers
What is the name of an ideal-gas process in which no heat is transferred?.
PIT_PIT [208]

Answer:

Adiabatic. This is a process where no heat is being added or removed from the system. Or can be simply stated as: no heat transfer (or heat flow) happening in a system.

Explanation:

6 0
2 years ago
Other questions:
  • Which of the following is a form of potential energy?
    6·1 answer
  • What is the term for the outer electron shell of an atom?
    13·1 answer
  • The standard entropy of Pb(s) at 298.15 K is 64.80 J K–1 mol–1. Assume that the heat capacity of Pb(s) is given by: CP,m(Pb, s)
    7·1 answer
  • In the following reaction, what coefficient will be written before the oxygen molecule (O2) to balance the chemical equation? (1
    11·2 answers
  • Fe2O3 + 2Al -> Al2O3 + 2Fe
    5·2 answers
  • Grains of sugar have a greater_____ than a solid cube of sugar of the same mass, and therefore will dissolve quicker than water.
    9·1 answer
  • Is there a specific order to follow in qualitative analysis of anions ? if so what is the reason? Thank you
    8·1 answer
  • When a living organism is successful in meeting all its needs ,this is called
    5·1 answer
  • 3. (10 Points) You buy a helium balloon of 14 Liters for your friend's birthday and
    5·1 answer
  • At STP, adding salt to a 200 mL sample of water produces a saturated 1.7 M solution. How many grams of salt (NaCl) must be added
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!