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
Tatiana [17]
3 years ago
9

The indicator methyl red has different molecular structures at high and low pH.

Chemistry
1 answer:
Novosadov [1.4K]3 years ago
6 0

Answer:

a. True

Explanation:

Methyl red is an indicator widely used in quality control of oxides as Zinc oxide in the titration with sulfuric acid.

As is used in titrations of acid-base reactions the indicator change in colour. Is red when the pH < 4.4 (Acidic Solutions) and is yellow when pH > 6.2 (Neutral-Basic solutions).

A change in colour means the structure of the indicator is changing with pH. Thus, the answer is:

<h3>a. True </h3>

You might be interested in
Temperature is inversely related to the average kinetic energy of a gas.
Temka [501]
Incorrect, temperature is directly proportional to the avg. KE of a gas.
6 0
3 years ago
How many atoms would fit across a human hair? *
kow [346]

A typical human hair is about 1 million carbon-12 atoms JUST IN WIDTH.

4 0
3 years ago
Read 2 more answers
While working near a radioactive mine, workers usually wear heavy plastic suits. These suits protect them from all but
Vaselesa [24]
The appropriate response is gamma radiation. Alpha particles can be halted via air. UV radiation can be halted by a typical layer of clothing.Beta particles can be ceased by the thick plastic suit. Just gamma radiation can enter the substantial suit. It must be halted by thick dividers of lead or cement.
4 0
3 years ago
Read 2 more answers
Newtons second law of motion states that
insens350 [35]

Answer:

The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force,

Explanation:

3 0
3 years ago
Which structure regulates water loss and gas exchange
Xelga [282]
If you're referring to plants, your answer is the Epidermis.

Hope this helps! :)


8 0
3 years ago
Other questions:
  • For the vaporization reaction Br2(l) → Br2(
    9·1 answer
  • g A molecule with 6 areas of electrons (6 electrons domains) consisting of 4 bonding domains and 2 non-bonding domains will have
    15·1 answer
  • When paper turns yellow-brown upon exposure to sunlight, what type of change is likely taking place?
    9·1 answer
  • What is heterogenous mixture
    10·1 answer
  • At equilibrium, Keq for the following reaction is equal to 3.5: SO2 + NO20 È SO3 + NO a) Is a beaker containing 2.5 M SO2, 2.0 M
    7·1 answer
  • What do you know about magnets?
    15·1 answer
  • Which pair will for an ionic compound
    6·1 answer
  • I need help explaining what are the differences between Solids, Liquids, and Gases.
    9·1 answer
  • A flask at room temperature contains exactly equal amounts (in moles) of nitrogen and xenon.
    5·1 answer
  • How many milliliters are in a 30 gallon drum?
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!