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weqwewe [10]
3 years ago
11

PLEASE HELP ME ASAP!! I WILL MARK BRAINLIEST!!!

Chemistry
2 answers:
Mazyrski [523]3 years ago
6 0

Answer:

D

Explanation:

The greenhouse effect is caused by the atmospheric accumulation of gases such as carbon dioxide and methane, which contain some of the heat emitted from Earth's surface. This radiation, unlike visible light, tends to be absorbed by the greenhouse gases in the atmosphere, raising its temperature.

neonofarm [45]3 years ago
3 0

Answer:

D

Explanation:

I did this assignment.

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The entropy change for a real, irreversible process is equal to:______.
taurus [48]

Answer:

The entropy change for a real, irreversible process is equal to <u>zero.</u>

The correct option is<u> 'c'.</u>

Explanation:

<u>Lets look around all the given options -:</u>

(a)  the entropy change for a theoretical reversible process with the same initial and final states , since the entropy change is equal and opposite in reversible process , thus this option in not correct.

(b) equal to the entropy change for the same process performed reversibly ONLY if the process can be reversed at all. Since , the change is same as well as opposite too . Therefore , this statement is also not true .

(c) zero. This option is true because We generate more entropy in an irreversible process. Because no heat moves into or out of the surroundings during the procedure, the entropy change of the surroundings is zero.

(d) impossible to tell. This option is invalid , thus incorrect .

<u>Hence , the correct option is 'c' that is zero.</u>

8 0
3 years ago
Use the periodic table or graphic in lesson. what is the atomic number of carbon?
DochEvi [55]
Carbon's atomic number is 6
4 0
2 years ago
Read 2 more answers
In Part A, you found the amount of product (1.80 mol P2O5 ) formed from the given amount of phosphorus and excess oxygen. In Par
Finger [1]

First step is to balance the reaction equation. Hence we get P4 + 5 O2 => 2 P2O5

Second, we calculate the amounts we start with

P4: 112 g = 112 g/ 124 g/mol – 0.903 mol

O2: 112 g = 112 g / 32 g/mol = 3.5 mol

Lastly, we calculate the amount of P2O5 produced.

2.5 mol of O2 will react with 0.7 mol of P2O5 to produce 1.4 mol of P2O5.

This is 1.4 * (31*2 + 16*5) = 198.8 g

3 0
3 years ago
How is a telephone an example of both science and technology?
shtirl [24]
It is a part of science because it was an invention that was made and inventions are because of science and it’s a technology because it is electrical
6 0
1 year ago
For metals like aluminum and iron, which are found naturally in nature as oxides, the refining process requires that the metals
Romashka-Z-Leto [24]

Answer:

reduced

Explanation:

To win the metallic product from the oxide, it demands that the metal be reduced.

During reduction a metal will:

  • gain electrons.
  • there would be removal of oxygen from the specie
  • there would be decrease in oxidation number of the atom
  • decrease in the number of electronegative atom surrounding the element.

The specie that is reduced will become the oxidant and reducing agent in the chemical reaction.

3 0
2 years ago
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