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blsea [12.9K]
3 years ago
11

Which statement describes the most likely result of a field being cleared to build homes?

Chemistry
1 answer:
Anna35 [415]3 years ago
6 0

Answer:

Biodiversity will decrease.

Explanation:

The likely result of clearing the fields for building homes is that biodiversity will decrease.

Biodiversity is the variation in life forms within a particular area.

  • The balance of the ecosystem is easily tripped by the influence of human activities.
  • Some habitats are easily destroyed when new fields are cleared.
  • Habitat loss is huge problem, in the ecosystem as a result of human activities.
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qaws [65]

Answer:

a. 2NAOH + H2SO4 —> NA2SO4 + 2H2O

b. The concentration of the acid is 0.0638M

Explanation:Please see attachment for explanation

7 0
3 years ago
I need help can someone help me
Arisa [49]

Answer:

Option D. The number of oxygen atom is the same before and after the reaction.

Explanation:

From the question given above, the following were obtained:

Robin's equation:

H₂ + O₂ —> H₂O

Alex's equation

2H₂ + O₂ —> 2H₂O

To know which equation better represents the reaction, we shall determine which of the equation is balanced.

For Robin:

H₂ + O₂ —> H₂O

Element >>> Reactant >>> Product

H >>>>>>>>> 2 >>>>>>>>>> 2

O >>>>>>>>> 2 >>>>>>>>>> 1

Robin's equation is not balanced because the number of atoms of each element in the reactant and product are not equal.

For Alex:

2H₂ + O₂ —> 2H₂O

Element >>> Reactant >>> Product

H >>>>>>>>> 4 >>>>>>>>>> 4

O >>>>>>>>> 2 >>>>>>>>>> 2

Alex' equation is balanced because the number of atoms of each element in the reactant and product are equal.

Thus, option D gives the right answer to the question.

6 0
3 years ago
What is the potential energy of a rollercoaster if it weighs 1565 kg and sits on a 115 m tall ride?
AnnyKZ [126]

Answer:

Explanation:

Potential energy builds as the coaster is going up the loop-the-loop and converts to kinetic energy on the way down and out of the loop-the-loop. The potential energy of the coaster is at its lowest and the kinetic energy is at its highest as the coaster moves in the lowest point of the loop-the- loop.

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Consider the following reaction mechanism: Step 1: (CH3)3AuPH3 ↔ (CH3)3Au + PH3 (fast) Step 2: (CH3)3Au → C2H6 + (CH3)Au (slow)
netineya [11]

Answer: The balanced equation for overall reaction is:

(CH3)3AuPH3 ----> C2H6 + (CH3)AuPH3

Explanation:

The reaction mechanism is given as follows:

Step 1: (CH3)3AuPH3 ↔ (CH3)3Au + PH3 (fast)

Step 2: (CH3)3Au → C2H6 + (CH3)Au (slow)

Step 3: (CH3)Au + PH3 → (CH3)AuPH3 (fast)

To balance this equation, firstly, we conduct proper atom count for each steps of the reaction mechanism.

It is important to note that for a reaction that involves several steps, the rate law is normally derived from the slow step ( which is step2 from the above mechanism).

Therefore, the balanced chemical equation for the overall reaction is:

(CH3)3AuPH3 ----> C2H6 + (CH3)AuPH3

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I think they are called Faults.
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