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
creativ13 [48]
3 years ago
14

(WILL GIVE BRAINLIEST IF YOU ANSWER ALL 4) Chemistry

Chemistry
1 answer:
Kitty [74]3 years ago
5 0

Answer:

See explanations

Explanation:

a. Molarity = moles/Volume in Liters = 5moles/2Liters = 2.5M in NaCl

b. Freezing Pt Depression

     1. Sprinkling salt on icy surfaces

    2. Using antifreeze in automobile cooling systems

    3. <em>Not an application </em>

    4. Using salt to make ice cream

c. pOH = -log[OHˉ] = -log(1x10ˉ¹⁰) = -(-10) = 10 => pH = 14 – pOH = 14 – 10 = 4

d. H₂O + NH₃ => NH₄⁺ + OHˉ => Bronsted Acid is H₂O  (proton donor)

You might be interested in
Which element in Group 18 of the Periodic Table has the highest lonization energy?
Kruka [31]

all the elements in group 18 are Nobel gases or inert gases . all the elements such as neon , helium, argon etc. ,their outermost shell is completely filled . The noble gases have the largest ionization energies, reflecting their chemical inertness

4 0
3 years ago
Consider the incorrectly balanced combustion equation:
Ulleksa [173]
Oxygen is balanced incorrectly.
The correct balanced equation: 2C6H6+15O2=12CO2+6H2O
6 0
2 years ago
Which characteristics is ALWAYS true for all members of the plant kingdom
fgiga [73]

Answer:

it is heterotrophic. it is unicellular. it does not have a nucleus.

Explanation:

6 0
3 years ago
What type of molecule is acetylacetone?
Vlada [557]

Answer:

c. ketone

Explanation:

the answer is ketone

6 0
2 years ago
MARK BRAINLIEST AND 14 POINTS
LekaFEV [45]

Answer:

She could prove that it is a combination of substances by looking for a change in color, or the formation of bubbles. She could also try to pull the combination apart by physical means alone.

Explanation:

4 0
3 years ago
Read 2 more answers
Other questions:
  • Why were iron tools more difficult to obtain than copper ones?
    15·1 answer
  • The rules of engagement (roe) working group is often used to _____. (select all that apply.)
    11·1 answer
  • A farmer uses water to irrigate his potato crops. Which roles of water does this examplify
    6·1 answer
  • Compare Boyle's law, Charles's law, and Avogadro's law. a. What remains constant in each law? b. What are the variables in each
    5·1 answer
  • The pyruvic acid from glycolysis can be converted to acetic acid, which can enter the citric acid cycle. Because this process is
    5·1 answer
  • WHAT IS THE DEFINITION FOR ISOTOPES, WHAT ARE EXAMPLES OF ISOTOPES, WHAT ARE NON EXAMPLES OF ISOTOPES AND WHAT ARE EXAMPLES OF I
    10·2 answers
  • What is activation energy
    7·2 answers
  • Marcy is running in a race. Her body is changing into .
    6·1 answer
  • En un atomo polielectronico el sbnivel difuso esta constituido de 5 orbitas degenerdos?
    14·2 answers
  • A force of 3000N is applied on a 20kg ball. Find the acceleration of the ball
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!