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
tankabanditka [31]
3 years ago
6

Determine if the following two structures are

Chemistry
1 answer:
Finger [1]3 years ago
5 0

Answer:

its C

Explanation:

You might be interested in
How does the reaction of hydrogen and oxygen to produce energy in a fuel cell differ from their interaction during the direct co
Nikolay [14]
Need more information
7 0
3 years ago
Plzzz fastttt answerrr
Lady_Fox [76]

Answer:

Communication between scientists increased.

Technological advancements were made.

Explanation:

The options:

<em> Metalworkers began using new metals. </em>

<em>  Communication between scientists increased. </em>

<em>  The American Civil War started. </em>

<em>  Technological advancements were made.</em>

<u>The reasons the number of known elements more than double by 1861 would be because technological advancements have been made and communication between scientists increased.</u>

With the advancement in technology, more equipment become available and research became more sophisticated leading to new discoveries. The new discoveries would not have made much difference if they are not adequately communicated to other scientists.  

5 0
3 years ago
Twenty-seven milliliters of an acid with an unknown concentration are titrated with a base that has a concentration of 0.55 M. T
Svetllana [295]
It should be 0.25 M. Use the formula C1*V1=C2*V2, for those values, as it is right when it changed colour. Remember to change the if those are not the same (but in your case it is, so no need this time). 

C1*V1=C2*V2
C1*27ml=0.55M*12.5ml
C1=(0.55M*12.5ml)/27ml = 0.25M
4 0
3 years ago
Read 2 more answers
Which phrase is the best definition of matter?
Verdich [7]

The amount of physical material in an object

4 0
3 years ago
Read 2 more answers
If you have 100 ml of a 0.10 m tris buffer (pka 8.3) at ph 8.3 and you add 3.0 ml of 1.0 m hcl, what will be the new ph?
sukhopar [10]

The new pH is 7.69.

According to Hendersen Hasselbach equation;

The Henderson Hasselbalch equation is an approximate equation that shows the relationship between the pH or pOH of a solution and the pKa or pKb and the ratio of the concentrations of the dissociated chemical species. To calculate the pH of the buffer solution made by mixing salt and weak acid/base. It is used to calculate the pKa value. Prepare buffer solution of needed pH.

                       pH = pKa + log10 ([A–]/[HA])

Here, 100 mL  of  0.10 m TRIS buffer pH 8.3

                 pka = 8.3

         0.005 mol of TRIS.

∴  8.3 = 8.3 + log \frac{[0.005]}{[0.005]}

<em>    </em>inverse log 0 = \frac{[B]}{[A]}

   \frac{[B]}{[A]} = 1

Given; 3.0 ml of 1.0 m hcl.

           pka = 8.3

           0.003 mol of HCL.

pH = 8.3 + log \frac{[0.005-0.003]}{[0.005+0.003]}\\pH = 8.3 + log \frac{[0.002]}{[0.008]}\\\\pH = 8.3 + log {0.25}\\\\pH = 8.3 + (-0.62)\\pH = 7.69

Therefore, the new pH is 7.69.

Learn more about pH here:

brainly.com/question/24595796

#SPJ1

 

8 0
2 years ago
Other questions:
  • Earth's orbital speed around the Sun is closest to _____.
    14·1 answer
  • A 25.0 ml sample of an unknown monoprotic acid was titrated with 0.12 m naoh. the student added 31.6 ml of naoh and went past th
    5·1 answer
  • How many quarts are in a 11.7-gal cooler of fruit punch?
    10·2 answers
  • A substance that speeds up the rate of a chemical reaction is called
    13·2 answers
  • A mineral that helps in clotting of blood________.
    7·2 answers
  • When an isotope emits an alpha particle, its atomic number
    13·1 answer
  • In order to change the intensity of the light, you change the wavelength of the light.
    14·1 answer
  • True or False:Excessive thermal energy will result in the removal of salt from the oceans.
    12·1 answer
  • Who is single lol? I'm just curious (yes ik this is app is for school karens)​
    5·1 answer
  • A 55.0 g aluminum block initially at 27.5 ∘c absorbs 725 j of heat. what is the final temperature of the aluminum?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!