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
photoshop1234 [79]
2 years ago
13

+++TO BE ANSWERED ASAP (WILL PUT BRAINLIEST!!!)+++

Chemistry
1 answer:
goldfiish [28.3K]2 years ago
5 0

Answer:

Phenolphthalein is an acid indicator, which means when we add water (pH 7) to it, it ionizes giving a pink color. We all know acid gives in solution. When we add phenolphthalein to acid due to the common ion effect concentration increases. turned the solution pink.

Explanation:

You might be interested in
The question is in the photo
nadya68 [22]

The required moles of AgBr precipitate produced by given moles of silver nitrate is 0.0123.

<h3>How do we calculate moles from molarity?</h3>

Molarity of any solution is define as the moles of solute present in per liter of the solution and it will be represented as:
M = n/V

Given that, molarity of AgNO₃ = 0.250M

Volume of AgNO₃ = 49.5mL = 0.0495L

Moles of AgNO₃ = (0.25)(0.0495) = 0.0123mol

Given chemical reaction is:

2AgNO₃(aq) + CaBr(aq) → 2AgBr(s) + Ca(NO₃)₂(aq)

As it is mention that CaBr is present in excess quantity and AgNO₃ is the limiting reagent so the formation of precipitate will depend on the AgNO₃.

From the stoichiometry of the reaction, it is clear that:

2 moles of AgNO₃ = produces 2 moles of AgBr

0.0123 moles of AgNO₃ = produces 2/2×0.0123=0.0123 moles of AgBr

Hence 0.0123 is the required moles of precipitate.

To know more about moles, visit the below link:

brainly.com/question/19099163

#SPJ1

4 0
2 years ago
Which of the following lists includes only molecules?
siniylev [52]
We are unable to see any list? Can you provide one?
5 0
3 years ago
The atria beat prior to the ventricles. What purpose does this serve?
Zarrin [17]

Answer:

The atria and ventricles work together, alternately contracting and relaxing to pump blood through your heart. The electrical system of your heart is the power source that makes this possible.

Your heartbeat is triggered by electrical impulses that travel down a special pathway through your heart:

Explanation:

Hope this helps

4 0
3 years ago
A functional group introduces heteroatoms into a carbon chain to increase
ivanzaharov [21]

Answer:

reactivaty

Explanation:

here you go for the answer

5 0
3 years ago
Volcanic activity during Earth’s formation is responsible for contributing a significant portion of CO2 and H2O to the atmospher
Valentin [98]
The answer is A i think if it’s wrong someone correct me
6 0
2 years ago
Other questions:
  • What is the difference between a chemical process and a physical process in chemistry?
    12·1 answer
  • Lesson 04.01: Chemical vs. Physical Changes and Properties Define and identify chemical and physical properties and changes. Giv
    12·1 answer
  • As AgNO3 dissolves how does the temperature of the solution change
    11·1 answer
  • The boiling point of methanol is much higher than that of ethane. this is primarily due to a the significant molecular size diff
    10·1 answer
  • How many atoms are in carbon 12
    8·2 answers
  • All cells need energy to perform various processes and to make molecules that are necessary to sustain their lives. From where d
    13·2 answers
  • You go out to dinner and the bill comes to $ 26.37. How much should you tip if you want the tip to be 19.0 % of the bill?
    11·1 answer
  • Explain one way the water cycle affects climate. Use complete sentences.
    12·1 answer
  • Can someone PLEASE help me with this im struggling bad
    14·1 answer
  • 3. In a neutral atom, this element has an atomic mass of 23 AMU and has 11 protons.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!