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
Alex73 [517]
1 year ago
6

Calculate how many moles of water molecules were produced in the combustion of ethanol in oxygen.

Chemistry
1 answer:
nadya68 [22]1 year ago
8 0

There  are 3 moles of water formed in the complete combustion of ethane.

<h3>What is Combustion Reaction? </h3>

Combustion is a chemical reaction between substances , usually including oxygen and usually accompanied by the generation of heat and light in form of flame.

For example , the wood burning in a fireplace. The wood is a fuel which continuously react with oxygen in the air in a combustion reaction.

When ethane goes for combustion

reaction ,

C2H6+7/2 O2→2CO2+ 3H2O

As you can see on the above reaction 3 moles of water molecules are produced .

to learn More about Combustion Reaction click here brainly.com/question/15117038

#SPJ9

You might be interested in
What type of energy is stored for use at a later time? Bond energy Free energy Kinetic energy Potential energy
Nataly [62]
Potential energy
_____________
5 0
3 years ago
Read 2 more answers
Mass , volume, and density are all properties of what
Vladimir [108]

Answer: Physical properties

Explanation: Can be measured without changing a substance's chemical identity.

4 0
3 years ago
The first-order decay of radon has a half-life of 3.823 days. How many grams of radon remain after 7.22 days if the sample initi
Nesterboy [21]

substitute: <span><span>t<span>1/2</span></span>=<span><span>ln(2)</span>k</span>→k=<span><span>ln(2)</span><span>t<span>1/2</span></span></span></span> Into the appropriate equation: <span>[A<span>]t</span>=[A<span>]0</span>∗<span>e<span>−kt</span></span></span> <span>[A<span>]t</span>=[A<span>]0</span>∗<span>e<span>−<span><span>ln(2)</span><span>t<span>1/2</span></span></span>t</span></span></span> <span>[A<span>]t</span>=(250.0 g)∗<span>e<span>−<span><span>ln(2)</span><span>3.823 days</span></span>(7.22 days)</span></span>=67.52 g</span>

6 0
3 years ago
This is the term for the weather patterns that an area experiences over a long period of time? A) climate. B) weather. C) availa
Rufina [12.5K]
The correct option is A.
Climate refers to the long time pattern of weather condition in a particular area. Climate is measured by assessing the patterns of variation in temperature, relative humidity, wind, atmospheric pressure, precipitation and other meteorological variables in a given area over a long period of time.<span />
7 0
3 years ago
Which best describes how a pH test strip works?
NISA [10]
Molecules in the paper react differently with Hydronium and Hydroxide.

pH paper deals with acidity and basicity of something.  You are correct in thinking that A is the answer. Always go with your gut. don't be like me when I was in college who always second guessed my answers. Good luck with chemistry.
4 0
3 years ago
Read 2 more answers
Other questions:
  • Need asap! Step-by-step pls: Determine the empirical formula: 32.37% Na, 22.58% S, 45.05% O​
    5·1 answer
  • Would a precipitate form if a solution contained 8.0 x 10-4 m silver nitrate and 1.8 x 10-4 m potassium chromate? you will have
    14·1 answer
  • Calculate the standard enthalpy change for the reaction at 25 ∘ 25 ∘ C. Standard enthalpy of formation values can be found in th
    10·1 answer
  • The _____ law of thermodynamics states that the tendency of the universe is to increase entropy.
    8·2 answers
  • Las disoluciones comerciales de HCl (PF = 36.5 g/mol) típicamente son 39.0% P/P de este ácido en agua. Determine la molalidad de
    9·1 answer
  • Help pls anyone asap
    5·2 answers
  • Which objects could you stand near to feel the heat​
    12·1 answer
  • How much heat is required to change 56.0 g of ice (H2O) at 263 K to vapor (steam) at 400 K?
    6·1 answer
  • Consider two different solutions of the same UV-absorbing compound. Upon UV-analysis, Solution B gave an absorbance of 1.0 and S
    13·1 answer
  • Name the phase change in each of these events: (a) A diamond film forms on a surface from gaseous carbon atoms in a vacuum.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!