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vodomira [7]
3 years ago
12

Adaptation: Question 1 Which best explains why a population of a certain species of moose , over five generations , developed fe

et that were two times wider than most moose population populations ?
1. The bogs the moose lived in became so soggy that only moose with the largest could successfully walk on the bog .
2 The bogs the moose lived in became so soggy that only moose with the smallest or the largest feet successfully walk on the bogs .
3.The bogs the moose lived in became so soggy that only moose with medium sized feet could successfully walk on the bogs
4. The bogs the moose lived in became so soggy that only moose with the smallest could successfully on the bogs .
Chemistry
1 answer:
slamgirl [31]3 years ago
4 0

Answer:

im doing this test lol

Explanation:

what is it?

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25 L of a gas is collected at 115 kPa. If the pressure increases to 300 kPa, what is the new volume?
Lina20 [59]

Answer:

V2 = 9.58 Litres.

Explanation:

Given the following data;

Initial volume = 25 L

Initial pressure = 115 kPa

Final pressure = 300 kPa

To find the new volume V2, we would use Boyles' law.

Boyles states that when the temperature of an ideal gas is kept constant, the pressure of the gas is inversely proportional to the volume occupied by the gas.

Mathematically, Boyles law is given by;

PV = K

P_{1}V_{1} = P_{2}V_{2}

Substituting into the equation, we have;

115 * 25 = 300*V_{2}

2875 = 300*V_{2}

V_{2} = \frac {2875}{300}

V_{2} = 9.58

V2 = 9.58 L

Therefore, the new volume is 9.58 litres.

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Is water going from liquid to solid a physical or chemical change and why
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