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Vesna [10]
3 years ago
12

What did the scientists have to consider before releasing the dragonflies into the wild? Why?

Chemistry
2 answers:
pentagon [3]3 years ago
3 0
Maybe they had to consider the habitat to make sure the habitat they were releasing the dragonflies into would be appropriate for the dragonflies.
Natali [406]3 years ago
3 0
What that person said ^
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If the pOH of a solution is 9.1, what is the concentration of OH- ions in that solution?
Amiraneli [1.4K]

Answer:

7.9432*10^-10 or 10^-9.1

Explanation:

pOH=-log[OH]

4 0
2 years ago
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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2 years ago
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Answer:

Here's your label diagram!

Explanation:

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3 years ago
During the recharge of the lead storage battery, the chemical reaction that occurs is A.)nonspontaneous.
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NaClO3 &gt; NaCl + O2 <br> Balance
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Answer:

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