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
Sveta_85 [38]
4 years ago
15

Hydrogen fuel cells combine hydrogen and oxygen to produce water and energy. Assume 1 kg of fuel is used, and the mass of the wa

ter produced is 1.10 x 10-11 kg. How much energy is produced by this fuel cell?
Chemistry
1 answer:
ArbitrLikvidat [17]4 years ago
4 0
E=mc²
E= 999999999989 (3×108)∧2
   =89,875,517,872,693 J
You might be interested in
Glucose molecules are made up of carbon, hydrogen, and oxygen atoms. where do these atoms come from
suter [353]
Where do the hydrogen and oxygen atoms come from that become part of the glucose molecule made during photosynthesis? The oxygen molecules come from carbon dioxide and water. The hydrogen atoms come from water.

Hope this helps.
5 0
3 years ago
You arrive at science class in 45.0 seconds after running 90 m from math what is your speed
Yuliya22 [10]

Answer:

1/2 a second per meter

Explanation:

Hope this helps!

5 0
3 years ago
Convert 15,000 seconds into minutes
Vlad [161]

Answer:

250 minutes

Explanation:

60 seconds = 1 minute

15000 secods = 15000 / 60

1500 secons = 250 minutes

7 0
3 years ago
Two Characteristics of Gas state​
yulyashka [42]

Answer:

has no volume and very low density relative to liquids and solids

has high kinetic energy between particles

3 0
3 years ago
1) ____ NaCl + ____ KOH  ____ NaOH + ____ KCl
GalinKa [24]

Answer:

hope it's helpful to you .

your 9th question is wrong but I did it correctly

it's not BaS2 it's BaS

8 0
4 years ago
Other questions:
  • Which of the following will ammonium ion form an insoluble salt? 4/16 a. chloride b. sulfate c. sulfate and carbonate d. carbona
    11·1 answer
  • Rain puddle drying up, chemical or physical change
    9·1 answer
  • ///////////////////////////
    10·1 answer
  • What is the maening of separation methods
    6·1 answer
  • You probably already know the names of some molecules. Identify which compound (water, salt, carbon dioxide, or methane) corresp
    7·2 answers
  • How do the particles in s waves move
    10·1 answer
  • Give an example of two other body systems that work together and explain how they support each other.
    9·1 answer
  • If ionization energy of hydrogen atom is 13.6 eV then its ionization potential will be
    6·1 answer
  • I need help on this
    9·1 answer
  • I can't leave till I answer please help!!<br><br>Please!​
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!