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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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Which block contains 5 orbitals?
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D sublevel because the s sublevel has one orbital, the p sublevel has three orbitals, the d sublevel has five orbitals, and the f sublevel has seven orbitals. In the first period, only the 1s sublevel is being filled.
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Balance this equation. Not all spots have to have a number.
Lisa [10]

2Na+2H2O----2NaOH+H2

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Let’s assume that you put a balloon into the freezer. Initially,the balloon had 3.0liters of gas at a pressure of 400kPa and was
EastWind [94]
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3 years ago
Which process is a chemical change? burning a match boiling water melting ice breaking glass
Nina [5.8K]

Answer:

Burning a match

Explanation:

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Hope this helps!!! PLZ MARK BRAINLIEST!!!

5 0
3 years ago
Read 2 more answers
he heat of fusion of tetrahydrofuran is . Calculate the change in entropy when of tetrahydrofuran melts at . Be sure your answer
lana [24]

Answer:

\Delta S=1.8x10^{-3}\frac{kJ}{K}=1.8\frac{J}{K}

Explanation:

Hello.

In this case, given the heat of fusion of THF to be 8.5 kJ/mol and freezing at -108.5 °C, for the required mass of 5.9 g, we can compute the entropy as:

\Delta S=\frac{n*\Delta H}{T}

Whereas n accounts for the moles which are computed below:

n=5.9g*\frac{1mol}{72g} =0.082mol

Thus, the entropy turns out:

\Delta S=\frac{0.0819mol*8.5 kJ/mol}{(-108.5+273.15)K}\\\\\Delta S=1.8x10^{-3}\frac{kJ}{K}=1.8\frac{J}{K}

Best regards.

3 0
3 years ago
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