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
skelet666 [1.2K]
2 years ago
6

Calculate the mass of water formed when 4g of methane is burnt in excess oxygen​

Geography
1 answer:
uysha [10]2 years ago
8 0

CH4 + 02 → H20 + CO2

balance equation

CH4 + 2O2 → 2H2O + CO2

4 ÷ ( 12 + 4 ) = 0.25 mol

1 : 2

no mole of H2O = 0.25 × 2 = 0.5 mol

mass of H2O = 0.5 × ( 2 + 16 ) = 9g

You might be interested in
Help plssssssssssssssssss
Rudik [331]

Answer:

The hawk and snake, 6 prarie dogs, 3 coyotes

Explanation:

Good Job!

5 0
2 years ago
Read 2 more answers
3-In groundwater replenishment system in Orange County, CA, treated domestic sewer is injected into underlying aquifers using in
lina2011 [118]

Answer:

In groundwater replenishment system in Orange County, CA, treated domestic sewer is injected into underlying aquifers using injection wells.

False

Explanation:

In the orange country's water treatment system techniques like micro filtration  , and ultraviolet ( UV ) , reverse osmosis (RO)  disinfection with hydrogen peroxide are used for purification . Generally at the source polluted water is first micro - filtered for the removal of small suspended particles bacteria , protozoa ,  and harmful virus from water . The water is then filtered via RO , which removes salts , pesticides , viruses  and most organic compounds are passed in the presence of the forced water via thin plastic membrane , and in the final stage , the water is treated with hydrogen peroxide and UV light as a precautionary measure.

8 0
2 years ago
Which characteristics do Jupiter and Saturn share
Sindrei [870]

They both orbit around the sun. They both have moons, rings, and colored bands. They both have gas giants.

5 0
3 years ago
Read 2 more answers
The __ phrase “answers” the antecedent with a similar rhythm and harmony
Andru [333]
The answer is consequent
I hope that helped
5 0
3 years ago
Read 2 more answers
Seasonal changes occur when the Earth moves so that the Northern Hemisphere and the Southern Hemisphere are tilted more toward o
bija089 [108]

The southern hemisphere is tilted away from the sun and it is winter in the Southern Hemisphere

3 0
3 years ago
Read 2 more answers
Other questions:
  • The Cascadia subduction zone is 1,100 kilometers long, and its characteristics of youthful oceanic plate and strong coupling wit
    8·2 answers
  • The islands located at number 1 on the map above are the __________ Islands, and the islands located at number 5 are the _______
    10·2 answers
  • True of False: The US population is the most mobile in the world.<br> O<br> True<br> O<br> False
    5·1 answer
  • Each of the following diagrams shows a spaceship somewhere along the way between Earth and the Moon (not to scale); the midpoint
    7·1 answer
  • plz hurry who awnsers this qustion in 3 mins I'll mark the brainlest . Read this excerpt from "The Masque of the Red Death" by E
    12·2 answers
  • Which human geographer developed the theory of cultural landscapes?
    12·2 answers
  • Which kind of map would be used to show population density in the countries of the world?
    13·1 answer
  • Do you agree with the "one couple, one child" policy? Why or why not?
    15·2 answers
  • four students collected four different sedimentary rock samples and created the chart shown. which student recorded correct info
    14·2 answers
  • How does the image of Buddha tend to vary from statue to statue?
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!