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
vladimir1956 [14]
3 years ago
8

Graphing helps scientists to

Chemistry
1 answer:
Alja [10]3 years ago
6 0
The answer is produce future trend.
You might be interested in
What are diseases or disorders that effect the skeletal system
UkoKoshka [18]
Osteoporosis, Leukemia, Osteopenia, osteitis deformans, and <span>osteomalacia are all diseases that effect the skeletal system. I hope I helped!</span>
8 0
4 years ago
Read 2 more answers
A body of knowledge must be _____ in order to be considered science.
Law Incorporation [45]
The correct answer is realistic and reliable
5 0
3 years ago
What is the smallest particle of an element that still retains properties of that element?
AnnyKZ [126]
It's an atom. It's known as the smallest particle of an element!
5 0
4 years ago
Read 2 more answers
Collision thoery: if you drop calcium into water do you get an endothermic or exothermic reaction?
IgorLugansk [536]
That would result in an exothermic reaction.

Hope this helps :)
8 0
3 years ago
Enough of a monoprotic weak acid is dissolved in water to produce a 0.0129 M solution. The pH of the resulting solution is 2.65
Nadusha1986 [10]

Answer:

Ka = 4.70x10⁻⁴M

Explanation:

The general dissociation of a weak acid, HX, is:

HX(aq) ⇄ H⁺(aq) + X⁻(aq)

And Ka is written as:

Ka = [H⁺] [X⁻] / [HX]

<em>Where [] represents the molar concentration in equilibrium of each specie.</em>

<em />

The equilibrium is reached when X of HX is dissociate in X H⁺ and X X⁻, that is:

[HX] = 0.0129M - X

[H⁺] = X

[X⁻] = X

As pH = -log [H⁺]:

10^-pH = [H⁺] = X  = 2.239x10⁻³M

Solving:

[HX] = 0.0129M - 2.239x10⁻³M = 0.01066M

[H⁺] = 2.239x10⁻³M

[X⁻] = 2.239x10⁻³M

Ka = [H⁺] [X⁻] / [HX]

Ka = [2.239x10⁻³M] [2.239x10⁻³M] / [0.01066M]

<h3>Ka = 4.70x10⁻⁴M</h3>

<em />

7 0
4 years ago
Other questions:
  • An experiment with high validity is
    6·1 answer
  • The function gx=(x-2)2. The function fx=gx+3
    10·1 answer
  • Calculate the mass of a liquid with density of 3.20 g/mL and volume of 15.0 mL.
    7·1 answer
  • Please help me!!!!!!​
    9·1 answer
  • Will iron fillings and lead oxide powder react
    15·1 answer
  • Nitric oxide, an important pollutant in air, is formed from the elements nitrogen and oxygen at high temperatures, such as those
    7·1 answer
  • Is #5 right ?? I don’t understand net charge.
    15·2 answers
  • What is Kinetic energy related to?​
    9·2 answers
  • Liam observed that the pyrite looks like metal. what property did the student investigate?
    10·1 answer
  • Please help me with this.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!