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Licemer1 [7]
3 years ago
15

Think critically explain how biotic change in an ecosystem that has flooded?

Chemistry
1 answer:
Scorpion4ik [409]3 years ago
8 0

Answer:

Organisms that do not live in water would either have to adapt, or they would die. Other water organisms might move into the ecosystem. Diseases that are waterborne might make a surge.

Explanation:

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What is the value for ∆Soreaction for the following reaction, given the standard entropy values? 2H2S(g) + SO2(g) 3Srhombic(s) +
Mademuasel [1]

Answer: \Delta S^{0} for the reaction is -186.75 J/K

Explanation:

Change in entropy (\Delta S^{0}) for the given reaction under standard condition is given by-

\Delta S^{0}= [3\times S_{rhombic}^{0}_{(s)}]+[2\times S_{H_{2}O}^{0}_{(g)}]-[2\times S_{H_{2}S}^{0}_{(g)}]-[1\times S_{SO_{2}}^{0}_{(g)}]

So \Delta S^{0} = [3\times 31.8 J/K.mol]+[2\times 188.825 J/K.mol]-[2\times 205.79 J/K.mol]-[1\times 248.22 J/K.mol] = -186.75 J/K

5 0
3 years ago
The poisonous gas hydrogen sulfide, H2S, can be neutralized with a base such as sodium hydroxide,
mariarad [96]

Answer:

It's not correct. For balancing, we need to put the coefficients in the molecule, not in the athom. Because if you do this, you're creating another molecule, instead of a balacing, for which the reaction may not happen - but anyway, it would be another reaction.

The correct balacing is:

2NaOH + 1H2S → 1Na2S + 2H2O

Explanation:

Look: Na2OH does not even exist. OH has only one free link, so he can't - in normal conditions - make another one with any athom. That's why we should write 2NaOH instead of Na2OH. The first means "2 mols of NaOH".

4 0
3 years ago
Please show all work chemistry thanks 2,3 and 4
nikitadnepr [17]

Answer: 2) 0.21 mole H2O

3) 0.50 mole K2O

4) 123 g Ca( NO3)2

Explanation: solution attached.

For number 2 to find the number of moles of H2O just divide the given in molecules with the Avogadro's number.

For 3 convert grams of K2O to moles by using 1 mole of K2O is equal to the molar mass of K2O

For number 4 moles to grams. Same process with number 3

3 0
3 years ago
Particle model to predict what will happen if a sharp object creates a hole in the soccer ball
malfutka [58]

Complete Question:

A soccer player pumps air into a soccer ball until no more air can be pushed inside.Use the particle model to predict what will happen if a sharp object creates a hole in the soccer ball.

Answer:

particles will rush out of the ball until the pressure is equal inside and outside the ball

Explanation:

We need to understand  when a ball is  pumped with air until no more air can be pushed inside, that  the particles inside the ball are closer together and bounce into each other more than the particles outside the ball  and this makes the pressure inside the ball greater than that outside.

Now when a sharp object creates a hole in the soccer ball the particle move from a place of high pressure to a place of lower pressure because the  force at the place of high pressure overpowers the force at the place of lower pressure.

3 0
3 years ago
Silver is composed of a single type of atom and cannot be broken down into different substances. Silver is an example of a(n)
Elan Coil [88]
I think it could be A. Element
8 0
3 years ago
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