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
KatRina [158]
3 years ago
13

In what situation can energy be created or destroyed?

Chemistry
1 answer:
bagirrra123 [75]3 years ago
4 0
3. Never is the answer
You might be interested in
*WILL GIVE BRAINLIEST TO CORRECT ANSWER *<br> *QUESTION IS ON PICTURE*
Ivahew [28]

Answer:

A

Explanation:

When a temperature increases particles tend to collide with each other often as they gain kinetic energy making them collide much more often and they'll collide with more energy due to the increase of kinetic energy

7 0
3 years ago
Read 2 more answers
What is the net ionic equation for 2Sb(OH)3 (s) + 3Na2S (aq) = Sb2S3 + 6NaOH
tatuchka [14]

Answer:

2Sb^(+3) (aq) + 3S^(-2) (aq) = Sb_2•S_3

Explanation:

First of all, let us balance the equation to give;

2Sb(OH)3 (s) + 3Na2S (aq) = Sb2S3 + 3NaOH

Now, we can observe the presence of positive Sodium ions (Na+) and negative hydroxyl ions (OH-) on both left and right sides of the equation.

Now, the two ions will cancel out. These ions are not really involved in the overall reaction and thus do not require being written in the overall equation. Hence, the overall net ionic reaction can now be written as:

2Sb^(+3) (aq) + 3S^(-2) (aq) = Sb_2•S_3

6 0
3 years ago
Calculate the equilibrium constant at 25 ∘C for the reaction Fe(s)+2Ag+(aq)→Fe2+(aq)+2Ag(s)
Murrr4er [49]

Answer:

1.7 × 10 ^42

Explanation:

Using Nernst equation

E°cell = RT/nF Inq

at equilibrium

Q=K

E°cell  = 0.0257 /n Ink= 0.0592/n log K

Fe2+(aq)+2e−→Fe(s)     E∘= −0.45 V

Ag+aq)+e−→Ag(s)         E∘= 0.80 V

Fe(s)+2Ag+(aq)→Fe2+(aq)+2Ag(s)

balance the reaction

Fe → Fe²⁺ + 2e⁻  reversing for oxidation E° = 0.45 v

2 Ag⁺ +2e⁻ → 2Ag

n = 2 moles  and K = equilibrium constant

E° cell = 0.80 + 0.45 = 1.25 V

E° cell = (0.0592 / n) log K  

substitute the value into the equations and solve for K

(1.25 × 2) / 0.0592  = log K

42.23 = log K

k = 10^ 42.23

K = 1.7 × 10 ^42

8 0
3 years ago
Of the groups below, which are the least chemically reactive?
seropon [69]

It is actually Group 3A elements. I just took the test.

8 0
3 years ago
Aspirin tablets contain the active ingredient (aspirin) and various inactive ingredients. Suggest what types of inactive ingredi
Debora [2.8K]
Binders ; fillers. They are inert substances to hold pill shape and preserve the medication, its ph / etc.

5 0
3 years ago
Other questions:
  • Which has the greater mass? 1 l copper or 1 l silver?
    15·1 answer
  • C) when two electrons occupy the bonding molecular orbital above, what type of bond results? explain.
    8·2 answers
  • What is the charge on the hydronium ion?
    15·2 answers
  • If 2.19 mol
    7·1 answer
  • What is a claim?
    11·1 answer
  • The galvanic cell illustrated above generates a potential of +1.10V. For the construction of a second galvanic cell (not shown),
    6·1 answer
  • A chemist mixed two substances together: a blue powder with no smell and a colorless liquid with a strong smell. Their repeating
    11·1 answer
  • find the weight of the same object on a planet where the gravitational attraction has been reduced to 1/10 of the earth pull sho
    11·1 answer
  • How much heat is released when heat is condensed to form 100g of water
    6·1 answer
  • Liquid hydrogen peroxide, an oxidizing agent in many rocket fuel mixtures, releases oxygen gas on decomposition:
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!