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
Ivan
3 years ago
7

In a laboratory 178.8 g of water is separated into hydrogen gas and oxygen gas. the hydrogen gas has a mass of 20.0 g what is th

e mass of the oxygen gas produced?
Geography
1 answer:
Anni [7]3 years ago
8 0
Below is the solution:
n equation showing conservation of mass of reactants and products: 
<span>2H2O --> 2H2 & O2 </span>

<span>what is the mass of the oxygen gas produced, from 178.8 g H2O , (using molar masses: </span>
<span>178.8 g H2O @ (1mol O2)(@ 32.00 g/mol) / (2molH2O)(18.02g/mol) = </span>
<span>your answer (4 sigfigs): 158.8 g O2 </span>

<span>178.8 g H2O ---> 20.0 H2 & 158.8 O2</span>
You might be interested in
What are two of the processes that move tectonic plates over the surface of the earth
antiseptic1488 [7]
One reason is that the plates float on a hot boiling mentle. when the heat rises and the mentle expands the plates above it also moves. 
the other reason is that the plates themselves move.plates have warmer inner sides that tend to rise. and colder outer side that tends to sink. this tug of war between the hotter and colder sides of the plate also helps them move.
8 0
3 years ago
Cotopaxi is the ___
Alik [6]
Smallest city in South America
5 0
3 years ago
What is the energy source that drives the movenment of the earths plates
asambeis [7]
Convection<span> in the solid mantle drives the many processes of plate tectonics, including the formation and movements of the continents and oceanic crust.</span>
8 0
4 years ago
What are the narrow belts of fast-moving air at the higher levels of the troposphere called?
arsen [322]

<em>Jet Streams.</em>

<em />

<em>Hope it can help !!!</em>

4 0
3 years ago
The first element of weather that is measured and analyzed to make accurate weather forecasts is ________
solong [7]

Answer:

Explanation:

Yes Sri

8 0
3 years ago
Other questions:
  • Traditionally in the caste system, untouchables perform types of jobs such as _____.
    10·2 answers
  • Which causes a meander to form in a river?
    14·1 answer
  • What is the number of inhabited US territoies around the world
    12·2 answers
  • What is the driving force of evolution?
    5·1 answer
  • In which part of the world will one find an unevenly distributed population of over 66 percent hindu?
    13·1 answer
  • Which region is not one connected to or near the Balkans? Russia Turkey Serbia Portugal
    14·2 answers
  • What was one common way that members of the temperance movement attempted to stop people from drinking alcohol? by offering peop
    12·2 answers
  • Which blog statement is an example of a claim? Elbow Lake is home to freshwater fish such as sunfish, perch, and trout. Elbow La
    10·2 answers
  • Can insoluble rocks break from an increased force of water?​
    13·1 answer
  • How agriculture is affected by the saline soils?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!