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
irinina [24]
3 years ago
14

Hydrogen gas is a non polluting fuel hydrogen gas may be prepared by electrolysis of water. 2 H20 (l) --> 2H2(g) +O2(g) Predi

ct the signs of delta H and Delta S for the production of hydrogen gas by electrolysis of water
a. delta h > 0 and delta S >0
b.delta h <0 and delta S >0
c.delta H >0 and delta S <0
d. delta h <0 and delta s <0
e. delta H=0 and delta s <0
Chemistry
1 answer:
goldfiish [28.3K]3 years ago
6 0
I think the correct answer from the choices listed above is option B. The correct signs for <span>delta H and Delta S for the production of hydrogen gas by electrolysis of water would be that </span><span>delta h <0 and delta S >0. Hope this answers the question.</span>
You might be interested in
Why did it require two sodium atoms to complete the Na2O formula unit? Na has +2 charge and O has -1 charge. Na has +1 charge an
Artyom0805 [142]
Na₂O is an ionic compound. Na is in group 1 which means it has one electron in the outer shell. O is in group 6 so it has 6 electrons in the outer shell.
To become stable atoms need to either lose the electrons in the outer shell or gain electrons to gain a complete outer shell configuration. 
To become stable Na loses its outer electron and becomes positively charged. It only loses one electron, so net charge is +1. O to become stable gains 2 electrons to complete its outer shell and becomes negatively charged. since it gains 2 electrons, the net charge is -2. 
cation - Na⁺
anion - O²⁻
O gains 2 electrons but Na can give only one electron, therefore 2 Na⁺ ions are required. 
the compound can be written by exchanging the charges
  ions         Na⁺       O²⁻
charge       +1       -2
exchange   Na₂O
Correct answer is <span>Na has +1 charge and O has -2 charge</span>
5 0
3 years ago
Read 2 more answers
Balancing chemical equation ]
olga_2 [115]

There no equation to balance.

Anyway

To be a balance equation the atom on the both side need to equal.

8 0
3 years ago
How does publishing in scientific journals help ensure that science leads to
Scrat [10]

Answer:

A. it allows results to be reviewed and reproduced by other scientists.

6 0
3 years ago
PLEASE HELP!!! I am taking a college chem class as a junior and have no idea how to do this!
kondaur [170]
Where’s the questions hun? I don’t even see the questions you need answered
4 0
3 years ago
The reactants in the above reaction are hydrogen and nitrogen. The product is ammonia. What is a balanced equation for that
Elanso [62]
N2 + 3H2 (arrow) 2NH3
4 0
3 years ago
Other questions:
  • What describes the change in Gibbs free energy (∆G) of a spontaneous reaction?
    8·1 answer
  • 2) Provide names for the following compounds:<br> a. n3o4<br> b. if7<br> c. cl2o
    8·1 answer
  • An empty 3.00 l bottle weighs 1.70 kg. filled with a certain wine, it weighs 4.72 kg. the wine contains 11.5% ethyl alcohol, c2h
    12·1 answer
  • Elemental analysis of caffeine yields the following results: 49.49% C, 5.15% H, 28.87% N, and the remainder is O. What is the mo
    14·1 answer
  • What are is the pH range of phenolphthalein and methyl orange​
    8·1 answer
  • In an electrically neutral atom of any element, there are equal numbers of
    7·2 answers
  • Label the samples based on their pH levels​
    7·1 answer
  • What is the expected freezing-point depression for a solution that contains 2.0 mol of KCI
    9·1 answer
  • Where is a tornado most likey from
    10·2 answers
  • What is the F-Xe angle in the molecule - F; Xe * F_{2} (Xe has three lone pairs of electrons )?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!