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
mario62 [17]
3 years ago
5

_____H2 + _____O2  _____H2O How many grams of water will you make from 7 moles of H2?

Chemistry
1 answer:
Delvig [45]3 years ago
5 0

Answer:

126 g of H₂O

Explanation:

Firstly, we complete the equation:

2H₂  +  O₂  →  2H₂O

If we have 7 moles of hydrogen, we assume, the oxygen is in excess.

Ratio is 2:2.

2 moles of hydrogen can produce 2 moles of water

Then, 7 moles of H₂ must produce 7 moles of water.

We convert moles to mass → 7 mol . 18 g/mol = 126 g

You might be interested in
Which of the following is an example of a decomposition reaction?
Flura [38]

Answer:

A simple example of decomposition reaction is hydrolysis of water where a water molecule is broken down into hydrogen and oxygen gas.

8 0
2 years ago
What kind of molecule is glucose
Scrat [10]
Organic molecule. In particular,  a carbohydrate.
6 0
3 years ago
Which of the following will result in a chemical change?
Zarrin [17]
The answer would be C. because if you burn coal can you get the same piece of coal back?

5 0
3 years ago
Based on the data provided, do the Super Snail Snacks work? Explain your answer​
natka813 [3]

Answer: No

Explanation:  The snacks did not work because the result of the snails either stayed the same, or decreased.

6 0
3 years ago
What is seafood empanada? Explain?
Lyrx [107]
It’s an empanada but instead of one with chicken or cheese or beef or whatever you usually eat empanadas of, it has seafood usually they have shrimp or crab, I hope this helps!
3 0
2 years ago
Other questions:
  • If the equilibrium constant of the reaction is 0.85, then which statement is true if the mass of A is 10.5 grams; the density of
    7·1 answer
  • Is ok2 gas a element compound or homogeneous or heterogeneous mixture?
    10·1 answer
  • 9-11 is best? for new york
    6·1 answer
  • 65.39<br>Atomic # =<br>Atomic Mass =<br># of Protons =<br># of Neutrons =<br># of Electrons =​
    8·1 answer
  • What kind of change is sodium hydroxide dissolving in water
    12·1 answer
  • What is the concentration of H+ ions at a pH = 2?
    11·1 answer
  • Prior to hosting an international soccer match, the local soccer club needs to replace the artifical turf on their field with gr
    10·1 answer
  • An unknown material has a mass of 5.75 g and a volume of 7.5 cm3.
    5·1 answer
  • In the formula C = 2r, C stands for
    7·1 answer
  • Which of the following is an essential condition for a combustion reaction ?
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!