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
OlgaM077 [116]
3 years ago
8

HELP ME ASAP PLEASE IDK THIS

Chemistry
2 answers:
ziro4ka [17]3 years ago
6 0

Answer:

<h2>c</h2>

Explanation:

Arisa [49]3 years ago
4 0

Answer:

C

Explanation:

seen it

You might be interested in
What reaction would be the chemical equation 2H2O-&gt;2H2+O2 represent? A.decomposition of water b. Formation of water c. Combus
vodka [1.7K]
It's decomposition
A combustion reaction involves carbon dioxide so it can't be that
The water is not being formed
The water is not replaced by the other molecules
So it is decomposition, not just from process of elimination, but also because decomposing water means heating it.
4 0
4 years ago
Read 2 more answers
For a particular reaction, the change in enthalpy is â9kJmole and the activation energy is 13kJmole. The enthalpy change (ÎH) an
Svetllana [295]

Answer:

The answer is Option a, that is "−9kJmole,5kJmole".

Explanation:

Please find the complete question in the attached file.

In the question, it uses the catalyst inside a process, which does not modify the process eigenvalues, however, it decreases the active energy with an enthalpy of -9kJmole, and also the power for activating decreases around 13 to 5 kJ mole, that's why the choice a is correct.

4 0
3 years ago
What are the units of measurement for molarity?
love history [14]

Answer:

Moles per liter.

6 0
3 years ago
Read 2 more answers
Calculate the hydrogen-ion concentration [H+] for the aqueous solution in which [OH–] is 1 x 10–11 mol/L. Is this solution acidi
Pepsi [2]
POH = -log [OH-]
pOH = - log (1 x 10^-11)
pOH = -(-11) = 11

pH + pOH = 14
pH + 11 = 14
pH = 14 - 11 = 3
6 0
3 years ago
Read 2 more answers
3. Joseph took some sodium hydroxide solution in a petri dish and dipped a red litmus paper into it. The red litmus paper turned
olasank [31]

Answer:

Blue Litmus will change into red if it is added in sodium hydroxide

Explanation:

7 0
3 years ago
Other questions:
  • Blank! An organism whose presence or absence reveals the environmental condition?​
    6·1 answer
  • How many atoms are in 766.3 grams of Li?
    13·1 answer
  • Help plz already know 1&amp;2
    5·1 answer
  • What are 3 objects you must have in order to create a circuit
    10·1 answer
  • The following substituents are listed in random order. Using the Cahn–Ingold–Prelog convention, rank the groups below from highe
    6·1 answer
  • What is true about: Na+1?
    9·1 answer
  • The phase of matter where particles at extremely high temperatures become ionized.
    10·2 answers
  • Which of the following correctly describes what happens to the kinetic energy of water when it changes from steam to a liquid? T
    13·2 answers
  • Any one know the answer for any questions of these ??
    15·1 answer
  • Please help pick more then one answer!!!
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!