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
jasenka [17]
3 years ago
8

What are is the pH range of phenolphthalein and methyl orange​

Chemistry
1 answer:
Ad libitum [116K]3 years ago
5 0

Answer:

The pH range of indicators

indicator pKind pH range

litmus 6.5 5 - 8

methyl orange 3.7 3.1 - 4.4

phenolphthalein 9.3 8.3 - 10.0

Explanation:

You might be interested in
When Niels Bohr refined the model of an atom,what new idea did he include?
pshichka [43]

Answer:

Niels Bohr, refined the model of an atom by proposing a quantized shell structure atomic model in order to describe how the electrons are able to maintain stable orbits around the nucleus

Based on the predictions of classical mechanics the electron motion of the Rutherford model was unstable as the electrons where expected to have lost some energy during motion and thus having to come rest in the nucleus

According to the modification by Neils Bohr in 1913, electrons move in  shells or orbits of fixed energy and emission of electromagnetic radiation takes place only when electrons changes the orbit in which they move

Explanation:

5 0
3 years ago
The Earth's diameter at the equators is _____ its diameter at the poles. A:greater than B:equal to C:less than
Svetlanka [38]
I think the answer is greater than
7 0
3 years ago
Which of the following is true of a heterogeneous mixture?
tia_tia [17]
A, a heterogeneous mixture is a mixture where all the particles are not made up of one uniform composition. you can distinguish the different particles
8 0
3 years ago
Read 2 more answers
Many protists are single-celled organisms. Which of the following characteristics is also common to organisms in Kingdom Protist
HACTEHA [7]

Protists belong to the group eukaryotes (having their DNA enclosed inside the nucleus). They are not plants, nimals or fungi but they act like one. They can be in general subgroups such as unicellular algae, protozoa and molds. They thrive in environments with little sunlight. The answer is letter B.

6 0
3 years ago
Read 2 more answers
Which is the most likely reason why an aerosol can explodes when it is thrown into a fire?a. Heat causes the gas particles in th
LenKa [72]

I believe the correct answer is A

8 0
3 years ago
Read 2 more answers
Other questions:
  • Earth's orbital speed around the Sun is closest to _____.
    14·1 answer
  • Which ion has the same electron configuration as an atom of He?
    5·2 answers
  • A gas mixture contains 1.25 g n2 and 0.85 g o2 in a 1.55 l c ontainer at 18 °c. calculate the mole fraction and partial pressure
    6·1 answer
  • A geologist is studying an area where stream erosion and deposition are the dominant surface processes. He notices that all of t
    5·1 answer
  • Calculate the volume of a cube having sides 3.0 cm in length
    9·1 answer
  • Which statements describe an element? Check all that apply.
    5·2 answers
  • Calculate the amount of heat required to convert 10.0 grams of ice at –20.°C to steam at 120.°C. (Sp. heat of H2O(s) = 2.09 J/g•
    8·1 answer
  • For each of the salts below, match the salts that can be compared directly, using Ksp values, to estimate solubilities.
    13·1 answer
  • Substance X is added to the mixture shown below to reduce the __________ __________ of the aluminium oxide in bauxite. What two
    5·1 answer
  • When menthol, CH3OH, is burned in the presence of oxygen gas, O2, a large amount of heat energy is released. For this reason, it
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!