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3 years ago

What is the total amount of matter in an ecosystem doing? always changing always increasing always decreasing remaining the same

Chemistry

1 answer:

Ilya [14]3 years ago

5 0

Answer:

Remaining the same

Explanation:

By the Lavoisier's principle the matter can't be created nor destroyed, but always transformed.

It means that in an ecosystem, the matter, and also the energy, is not increasing and not decreasing, the total amount remains the same, but in different forms.

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A sample of gas at 10.0 ATM and 5.0 °C increases in tempature of 35 °C. If the volume is unchanged, what is the new pressure?

agasfer [191]

Answer:

11.08 atm

Explanation:

From the question given above, the following data were obtained:

Initial pressure (P₁) = 10 atm

Initial temperature (T₁) = 5 °C

Final temperature (T₂) = 35 °C

Final pressure (P₂) =?

Volume = constant

Next, we shall convert celsius temperature to Kelvin temperature. This can be obtained as follow:

T(K) = T(°C) + 273

Initial temperature (T₁) = 5 °C

Initial temperature (T₁) = 5 °C + 273

Initial temperature (T₁) = 278 K

Final temperature (T₂) = 35 °C

Final temperature (T₂) = 35 °C + 273

Final temperature (T₂) = 308 K

Finally, we shall determine the final pressure of the gas as follow:

Initial pressure (P₁) = 10 atm

Initial temperature (T₁) = 278 K

Final temperature (T₂) = 308 K

Final pressure (P₂) =?

P₁/T₁ = P₂/T₂

10/278 = P₂/308

Cross multiply

278 × P₂ = 10 × 308

278 × P₂ = 3080

Divide both side by 278

P₂ = 3080 / 278

P₂ = 11.08 atm

Therefore, the final pressure of the gas is 11.08 atm

3 0

3 years ago

What are the main functions of the human skeletal system?

laiz [17]

Answer:

The answer is A.........

3 0

3 years ago

Read 2 more answers

The correct IUPAC name for the following molecule is: _________

andrew-mc [135]

Answer:

A.) trans-2,3-dichloro-5-methyl-2-hexene

Explanation:

The proposed question and structure has been attached to this answer.

The cis- and trans- isomers are used to denote the alignment of the functional groups to the carbon chain side. From the diagram, we see that:

the two chloro groups on the main compound are in opposite directions (-trans), and not the same sides (-cis)
The bottom extended methyl group is on the 5th carbon as we count from left to right
there's a total of 6 carbon atoms with 1 double bond on the second to third carbon.

Hence the name trans-2,3-dichloro-5-methyl-2-hexene

8 0

3 years ago

How many moles of hydrogen are in 1.1 mol of quinine?

koban [17]

To know the answer to this problem, you can search online or in any textbooks for the chemical formula of quinine. This is essential because you can detect from the chemical formula the number of hydrogen atoms.

Quinine has the chemical formula C₂₀H₂₄N₂O₂. So, the ratio of hydrogen to quinine is 24/1.

Moles of hydrogen = 1.1 mol quinine * 24/1 = 26.4 mol

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3 years ago

If we were to continue to add more and more naoh from our original stock solution, what is the highest ph that could be reached?

Novay_Z [31]

If its a acid it will be 3 or if its a alkali then 14 or neutral then 7

7 0

4 years ago