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n200080 [17]
2 years ago
5

Which of the following is NOT an example of how watersheds can change over time?

Chemistry
1 answer:
kow [346]2 years ago
8 0

Answer:

D. Flooding occurs when too much rain falls upstream.

Explanation:

Flooding is not a change in a watershed.

A, B, and C are wrong. They all represent changes in a watershed.

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Consider the equilibrium: HCOOH(aq) + F-(aq) <----> HCOO-(aq) + HF (aq) Given that the Ka of HCOOH = 1.8 x 10-4 and the Ka
Aleks [24]

Hey there!:

K = Ka * Kb / Kw

Ka = 1.8*10⁻⁴

Kb = 10⁻¹⁴ / 6.8*10⁻⁴

K =  1.8*10⁻⁴ * ( 10⁻¹⁴/ 6.8*10⁻⁴ ) * ( 1 / 10⁻¹⁴ )

K =  = 1.8 / 6.8

K = 0.265

Answer A

Therefore:

K is less than on the forward reaction is not favorable .


Hope That helps!

8 0
3 years ago
The model shown in the diagram describes how the tongue works. When a red block is placed into a the correctly shaped hole, the
rosijanka [135]

Answer:

d and d

Explanation:

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3 years ago
You are given a cube of pure copper when you calculate the density using
lara [203]

Answer:

2.01% to the nearest hundredth.

Explanation:

Percent error =[ (8.96-8.78) / 8.96]* 100

= 0.020089 * 100

= 2.0089 %

5 0
3 years ago
Why is asexual reproduction simpler in prokaryotes?
Paha777 [63]

Answer:

In asexual reproduction, a single parent produces genetically identical offspring. As prokaryotes do not have a nucleus, and have only one circular chromosome, they do not need to reproduce by the same mechanism as eukaryotic cells; mitosis does not exist in prokaryotic cells.

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8 0
3 years ago
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Earthquakes are caused by a sudden release of stress when pieces of the Earth's crust shift past each other along a fault.
nikklg [1K]
D all of the above because a tsunami is caused by disturbance in the water, the building collapsing is because of the tension in the ground, and of course the landslide was triggered because of the friction and tearing.
6 0
2 years ago
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