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
KATRIN_1 [288]
3 years ago
9

_c h 3 c h 2 c o o h+ _0 2 -》 _h 2 o + co2 how many molecules of o2 are required for the complete combustion of 6 moles of propa

noic acid
Chemistry
1 answer:
lesya692 [45]3 years ago
3 0

Answer:

21 molecules of oxygen.

Explanation:

The balanced equation is

2CH3CH2COOH + 7O2 ----->  6CO2 +  6H2O.

So 2 molecules of propanoic acid require   7 moles of oxygen.

Therefore 6 molecules require 7/2 * 6 = 21 molecules of oxygen.

You might be interested in
In response to scientific understanding about food-borne disease, what have scientists and health officials recommended be used
kogti [31]
The best and most correct answer among the choices provided by the question is the second choice or letter B which is hand washing. Hand washing is the most natural way of preventing the risk of food-borne disease without<span> affecting the taste or nutrient content of foods such as lettuce and other vegetables.</span>
8 0
2 years ago
Read 2 more answers
If oxygen is removed from a sample of air as iron rusts, what happens to the partial pressure of oxygen in the air? A it increas
anzhelika [568]
Bi did that test before

3 0
3 years ago
Read 2 more answers
What is the decay mode of radium-226?
inn [45]

Answer:

Radium-226 is a radioactive decay product in the uranium-238 decay series and is the precursor of radon-222. Radium-228 is a radioactive decay product in the thorium-232 decay series. Both isotopes give rise to many additional short-lived radionuclides, resulting in a wide spectrum of alpha, beta and gamma radiations.

6 0
3 years ago
How many potassium atoms are present in 0.01456 g of potassium??
leva [86]
Its going to be 2.81 x 1023 atoms 
8 0
3 years ago
Explain the differences between bronze and brass, and steel and cast iron. Which is best used for cooking wares?
Dennis_Churaev [7]

Answer:

Steel and cast iron

Explanation:

They are all metal but assuming that you are finding the best material for your pan i suggest going for steel or cast iron

8 0
2 years ago
Other questions:
  • Which substance is a primary source of hydrocarbons? A. cotton B. metals C. petroleum D. soil
    9·2 answers
  • Write the complete balanced equation for the following reaction:
    5·1 answer
  • A rigid canister holds 50.0 L of helium gas at 32.0°C and 49.9 kPa. The gas is cooled until the pressure reaches 14.2 kPa. What
    5·1 answer
  • What is stronger than steel but cowers from the sun?
    13·2 answers
  • Dumbledore is pleased with your progress. snape is, as always, somewhat indifferent. however, they both feel a gas phase density
    13·1 answer
  • The rate of disappearance of hbr in the gas phase reaction 2hbr(g)?h2(g)+br2(g) is 0.160 m s-1 at 150°c. the rate of appearance
    9·1 answer
  • Help on identifying the solute and solvent
    5·1 answer
  • Explain the general increasing trend in the first
    12·1 answer
  • On Greg's last visit to his doctor, he complained of feeling tired. Sandra, the registered nurse, withdrew 6.5 mL of blood, whic
    11·1 answer
  • How many grams of dextrose are needed to make 725 mL of a 26.0% (w/v) dextrose solution? Note that mass is not technically the s
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!