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
SpyIntel [72]
3 years ago
6

I just need the answers!!!

Chemistry
1 answer:
Marianna [84]3 years ago
3 0

Answer:

16:A

17:C

18:A

19B

Explanation:

You might be interested in
What is the molarity of a solution prepared by adding enough water to 2 g of acetone to make a total volume of 1.60 l?
serg [7]

Explanation:

answer is in photo above

8 0
3 years ago
What is the concentration of h+ ions in a 2.20 m solution of hno3?
kvv77 [185]

The question is improperly formatted.

What is the concentration of H+ ions in a 2.2 M solution of HNO3.

Answer:-

2.2 moles of H+ per litre

Explanation:-

M stands for molarity. 2.2 M means 2.2 moles of HNO3 is present per litre of the solution.

Now HNO3 has just 1 H in it's formula. HNO3 would give H+. So 2.2 moles of HNO3 would mean 2.2 moles of H+ per litre.

7 0
4 years ago
Explain vapour pressure and surface tension What is plasma
worty [1.4K]

Vapor Pressure: Measures how a substance is likey to evaporate

Surface Tension: is the attraction between liquid molecules.

Plasma: is an organic and inorganic substance that is typically found in blood

5 0
4 years ago
What term describes a carbon atom that has four different groups bonded to it?
oee [108]
A carbon which is attached to four different atoms or group of atoms with different environment is called as Chiral Carbon or Asymmetric Carbon.

Non-<span>superimposable:
</span>                                     The mirror image (molecule) of chiral carbon cotaining compounds are Non.Superimposable on each other. They are called enantiomers of each other.

Polarized Light and Chiral Carbon:
                                                       When a polarized light is allowed to fall on either enantiomer of chiral compound, it is rotated other clockwise or anti-clockwise.

Examples:
                Below are three axamples of compounds containing chiral carbon.

8 0
3 years ago
Select 2-possible ointment bases. Select one or more:
fredd [130]

Answer:

The correct option is: c. petroleum jelly, d. Polyethylene glycol 4000/600 mixture                

Explanation:

Topical medications are used for the treatment of ailments and include ointments, gels, lotions creams etc. that can applied directly on the surface of the body i.e. skin.

An ointment base medication gets rapidly absorbed into the skin. Some of the examples of <u>ointment bases</u> include water-soluble bases: <u>polyethylene glycol</u>, hydrocarbon bases: <u>petroleum jelly</u>, paraffin wax.

7 0
3 years ago
Other questions:
  • What is the difference of particle motion solids,liquids,and gas
    11·1 answer
  • Given the equation representing a chemical reaction at equilibrium in a sealed, rigid container:when the concentration of h2(g)
    7·1 answer
  • A tire at 21°C has a pressure of 0.82 atm. Its temperature decreases to –3.5°C. If there is no volume change in the tire, what i
    6·1 answer
  • The safety air bags in automobiles are inflated by nitrogen gas generated by rapid decomposition of sodium azide (NaN 3).
    13·1 answer
  • Wind happens when
    10·2 answers
  • (04.02 MC)
    5·1 answer
  • A 13.00 g sample of citric acid reacts with an excess of baking soda as shown in the equation. What is the theoretical yield of
    13·2 answers
  • If a ball rolling down a hill is half way between the top and bottom, how much potential energy does the ball have compared to k
    14·1 answer
  • What type of system is best used to observe conservation of matter because all of the mass stays in one place?
    13·1 answer
  • Rank the following glassware used in lab from least accurate (1) to most accurate (3).
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!