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
Novay_Z [31]
4 years ago
14

Making anyone branliest who answers correct and super fast

Chemistry
1 answer:
Tpy6a [65]4 years ago
3 0
F is mitochondria and i think D is cytoplasm
You might be interested in
The three common states of matter are solid,liquid, and gas. how are they the same? how are they different?
Alina [70]
They are different beacause of the stages some you can see and not. And the cells move at different paces
8 0
4 years ago
An electrochemical cell is constructed using electrodes with the following half-cell reactions.
marshall27 [118]

Answer:

E cell = +1.95 V

Explanation:

At Anode : Oxidation reaction takes place

At Cathode : Reduction reaction takes place

The reaction with lower value of reduction potential will undergo Oxidation

Mn^{2+}(aq)+2e^{-}\rightarrow Mn(s)   E = -1.18 V

This equation undergo oxidation reaction and become:

Anode(Oxidation-Half) :

Mn(s)\rightarrow Mn^{2+}(aq)+2e^{-}      E = +1.18 V

Cathode(Reduction-Half) :

Fe^{3+}(aq)+e^{-}\rightarrow Fe^{2+}    E =+0.77 V

To balance the reaction multiply reduction-Half with 2.We get :

Fe^{3+} +2Mn(s)+\rightarrow Fe^{2+} + 2Mn^{2+}

Note that E is intensive property , do not multiply E  of oxidation-half with 2

Ecell =  0.77 -(-1.18)

E = +1.95 V

3 0
3 years ago
The acidic ingredient in vinegar is acetic acid. The pH of vinegar is around 2.4, and the molar concentration of acetic acid in
IrinaK [193]

Answer: The value of acid ionization constant K_a for acetic acid is 1.87\times 10^{-5}

Explanation:

CH_3COOH\rightarrow H^+CH_3COO^-

 cM              0             0

c-c\alpha        c\alpha          c\alpha  

So dissociation constant will be:

K_a=\frac{(c\alpha)^{2}}{c-c\alpha}

Give c= 0.85 M and pH = 2.4

pH=-log[H^+]

[H^=}=c\times \alpha=10^{-2.4}=3.98\times 10^{-3}

K_a=?

Putting in the values we get:

K_a=\frac{(3.98\times 10^{-3})^2}{(0.85-3.98\times 10^{-3})}=1.87\times 10^{-5}

Thus the value of acid ionization constant K_a for acetic acid is 1.87\times 10^{-5}

5 0
3 years ago
Which atoms in the table are the same element and with what reasoning?
fenix001 [56]

The atoms that are the same element are atoms 1 and 2, because they have the same number of protons (option D).

<h3>What is an element?</h3>

Element is one of the simplest chemical substances that cannot be decomposed in a chemical reaction or by any chemical means and made up of atoms all having the same number of protons.

The atoms of an element have the same number of protons, which is the atomic number.

According to the table given above, three atoms and their respective proton, electron and neutron number are given.

It can be said that atoms 1 and 2 are of the same element, because they have the same number of protons.

Learn more about elements at:

#SPJ1

5 0
1 year ago
What did you learn in chemistry?​
snow_tiger [21]
How to handle stress
4 0
3 years ago
Other questions:
  • Balance the following equation. <br> use “1” when needed __Ga2o3-&gt;__Ga +__02
    15·1 answer
  • What does e=mc2 mean
    14·2 answers
  • Wind in the atmosphere and currents in the ocean are caused by uneven heating that produces _____.
    10·2 answers
  • The reaction below demonstrates which characteristic of a base?
    14·2 answers
  • How did the concentration of iodide ions change in these two trials, how did the rate change accordingly?
    9·1 answer
  • Joe’s cells can’t convert food energy effectively into energy they can use. As a result, he gets extremely tired, has weak legs,
    13·2 answers
  • An oxide and carbonate containing oxygen​
    5·1 answer
  • Graphite and diamond are both solid forms of the element carbon. Which statement explains
    14·1 answer
  • Brainliest for best answer
    15·1 answer
  • Two physical properties of oxygen gas​
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!