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Ksenya-84 [330]
3 years ago
11

Advances in medical technology and healthcare have increased the life expectancy of people around the world. What negative effec

t has this also influenced?
A. War
B. Pollution
C. Overpopulation
D. Crime
Chemistry
1 answer:
White raven [17]3 years ago
3 0
The answer is C. Overpopulation.
Because life expectancy has increased, the number of people that are alive on Earth at one time has also increased. In many regions of the world, more babies are being born than the number of people dying, causing the populations to grow, and as populations increase, the risk of overpopulation becomes feasible.

Hope this helps! :)
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What would the temperature of 0.734 moles of chlorine gas be at 1.83 atmospheres in a 10.2
lesya [120]

Answer: 310K

Explanation:

Given that:

Volume of Chlorine gas V = 10.2L

Temperature T = ?

Pressure P = 1.83 atm

Number of moles of chlorine gas N = 0.734 moles

Molar gas constant R is a constant with a value of 0.0821 atm L K-1 mol-1

Then, apply ideal gas equation

pV = nRT

1.83atm x 10.2L= 0.734 moles x 0.0821 atm L K-1 mol-1 x T

18.67atm L = 0.0603 atm L K-1 x T

T = (18.67atm L / 0.0603 atm L K-1)

T = 309.8K (Round up to 310K)

Thus, the temperature of the chlorine gas is 310 kelvin

5 0
4 years ago
32. Explain why carbon shows versatile nature why it forms so many organic compounds.​
anyanavicka [17]

Answer:

Carbon is a versatile element and is found in many different chemical compounds, including those found in space. Carbon is versatile because it can form single, double, and triple bonds. It can also form chains, branched chains, and rings when connected to other carbon atoms.

Explanation:

meaning of versatile: capable of or adapted for many different uses, skills, etc. 2 variable or changeable.

The versatile nature of carbon can be best understood with its features such as, tetravalency and catenation. In this section let us learn more about versatility of carbon.

Carbon is a versatile element and is found in many different chemical compounds, including those found in space. Carbon is versatile because it can form single, double, and triple bonds. It can also form chains, branched chains, and rings when connected to other carbon atoms.

The two characteristic features seen in carbon, that is, tetravalency and catenation, put together give rise to a large number of compounds. Many have the same non-carbon atom or group of atoms attached to different carbon chains.

Catenation: The property of forming long chains by self-linking with other carbon atoms to form long chains, rings, double or triple bonds is called catenation.

Isomerism: Compounds with same molecular formula but different structural formula are called isomers. An isomerism commonly seen is due to difference in the arrangement of atoms or groups of atoms & is called structural isomerism. The 4 types of structural isomerism are:

 Chain isomerism

 Position

 Functional

Metamerism

Tetravalency: Carbon has 4 electrons in its valence shell. Energy considerations do not allow it to gain or lose 4 electrons; therefore it forms covalent bonds with other elements to complete its octet. This accounts for its tetravalency and explains its ability to form a variety of compounds.

8 0
3 years ago
Main examples of proteins​
Nady [450]

Answer:

Explanation:

Examples of proteins include enzymes, antibodies and some hormones which help to speed up chemical reactions, defend against diseases and regulate the activity of cells.

5 0
3 years ago
The melting of ice cubes is an exothermic reaction.<br>true or false​
scoray [572]

Answer:

false

Explanation:

5 0
4 years ago
Read 2 more answers
During which phase change does the entropy of a sample of H2O increase?
Bezzdna [24]

Answer: 3. H2O(l) -> H2O(g)

Explanation: Entropy is a measure of the randomness or disorder a substance. Gasses have the greatest amount of entropy and solids have the least amount of entropy. The entropy of a sample of H2O increases as liquid water evaporates and changes to a gas.

3 0
3 years ago
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