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Bumek [7]
3 years ago
11

2. Which sentence explains how air pollution is harmful? *

Chemistry
1 answer:
marysya [2.9K]3 years ago
4 0

Answer:Air Pollution is when gas and fuel is released into the air and damages the environment. The Answer out of your answers would be C.

Explanation:

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Misha Larkins [42]
<span>density is defined as mass per volume.. so 94 mL makes no sense.</span>
7 0
3 years ago
Use tabulated half-cell potentials to calculate ΔG∘rxn for each of the following reactions at 25 ∘C.
Ilya [14]

Answer:- \Delta G^0 for the reaction is -58 kJ/mol.

Solution:- Oxidation half reaction taking place at the anode is--

3Sn(s)\rightarrow 3Sn^2^+(aq) + 6e^- E^0 = 0.14 V

Reduction half equation taking place at the cathode is---

2Fe^3^+(aq) + 6e^-\rightarrow 2Fe(s) E^0 = -0.04V

E^0 for the cell = E_(reduction) + E_(oxidation)

E^0 for the cell = -0.04V + 0.14V = 0.10V

Now we could easily calculate \Delta G^0 by using the below formula--

\Delta G^0 = -nFE^0

where n is the number of electrons transferred in the over all reaction. Looking at two half equations the value of n is 6.

F is Farady constant and it's value is 96500 C/mol.

Plugging in the values in the formula...

\Delta G^0 = -(6)(96500)(0.10)

\Delta G^0 = -57900 J

Since, 1000 J = 1 kJ

So, \Delta G^0 = -58 kJ/mol

7 0
3 years ago
A. First: Two central carbons are bonded to C H subscript 3 above left and right, and to H below left and right. Second: Two ce
vladimir1956 [14]

If I am correct I just got this question?

Its A

5 0
3 years ago
Read 2 more answers
Several balls and sticks glued together to represent a molecule
rewona [7]

Answer:

The different elements are represented by their symbols one line shows a single bond and two lines show a double bond. This written representation is called a structural diagram

4 0
3 years ago
The size of the gas particles compared to the overall volume of the gas is 22.4 L
jeka57 [31]
Well. Yeah. Basically.

1 mole of any gas is 22.4 L. 

Not really sure if that answers your question but that's what i know. 
Anyway if we are talking about the size then usually gases are filled with empty space.
4 0
4 years ago
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