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ohaa [14]
3 years ago
7

Which environmental changes occur Fastest

Chemistry
2 answers:
aleksklad [387]3 years ago
7 0
Assuming you have multiple choices... According to the internet, this question is a multiple choice question.

Here are following answers.

"The environmental change that occurs faster is definitely volcanic eruption. It may happen in an instant and destroy everything in its way, whereas the process of regrowth of forest after volcanic eruption is a slow one."

Oil spills may also have the fastest occurring changes in the environment.

Quoted answers are NOT Mine! All credits reserved to the owners:

@WorldlyGlass49 and @<span>Avery123</span>  


DENIUS [597]3 years ago
3 0
Volcanic eruption I assume that's one of your answers (please mark brainliest!)
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Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO (s) + H 2O (l) → Ca(OH) 2 (s) In a p
Tomtit [17]

Answer:

The answer to your question is:  81%

Explanation:

Data

CaO = 2 g

Ca(OH)₂ = 2.14 g

Reaction balanced

                     CaO  +  H₂O   ⇒   Ca(OH)₂

                     

Molecular mass

Calcium oxyde = 40 + 16 = 56 g

Calcium hydroxide = 40 + 2 + 32 = 74 g

Process

Rule of three

                               56 g of CaO --------------   74 g of Ca(OH)₂

                                 2 g  of CaO -------------   x

                                 x = (2 x 74) / 56

                                x = 2.64 g of Ca(OH)₂

Percent yield

                         % Yield = \frac{2.14}{2.64}  x 100

                         % yield = 81                            

8 0
3 years ago
If helium does not obey the octet rule, then why do it<br> atomsnot react?
Vikentia [17]

Answer:

The dialysis machine takes the blood in your veins. Then it takes it through a series of tubes which undergoes filtration by use of reverse osmosis. The clean blood is returned to the body.

Explanation:The dialyzer, or filter, has two parts, one for your blood and one for a washing fluid called dialysate. A thin membrane separates these two parts. Blood cells, protein and other important things remain in your blood because they are too big to pass through the membrane. Smaller waste products in the blood, such as urea, creatinine, potassium and extra fluid pass through the membrane and are washed away.

6 0
3 years ago
A beaker cost 8.40$and Harry drops 3 dozen beakers. How much will Harry's chemistry teacher charge
tatyana61 [14]

Answer:

302.40

Explanation:

i had the same question on a test

4 0
4 years ago
What are the characteristics of binding energy
FrozenT [24]
Binding energy, amount of energy required to separate a particle from a system of particles or to disperse all the particles of the system.
5 0
2 years ago
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If you use up renewable resources faster than you can reproduce them, then they're really non-renewable. For example, if you're cutting down trees faster than they're growing, then you'll eventually run out of trees, even though they're "renewable". Technically, oil is renewable, but it takes millions of years to create, so it's non-renewable.
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