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stellarik [79]
3 years ago
8

All can change the Earth suddenly and swiftly except

Chemistry
2 answers:
vichka [17]3 years ago
5 0

Answer:

A)erosion takes time and besides deposition will come soon after

Explanation:

Dovator [93]3 years ago
3 0

Answer:

Asteroid impact

Explanation:

:)))) jdiedhdueu

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A 3.0 L solution contains 73.5 g of H2SO4. Calculate the molar concentration of the solution.0.25 M0.44 M0.75 M4.0 M
notka56 [123]

The molecular mass of H_2SO_4 is:


2·1 + 1·32 + 4·16 = 98 g/mol


The amount of solute, expressed by mol, is:


73.5\ g\ H_2SO_4\cdot \frac{1\ mol}{98\ g} = 0.75\ mol\ H_2SO_4


The molar concentration definition is: M = \frac{mol\ solute}{volume (L)\ solution}


Doing the calculations:


M = \frac{0.75\ mol}{3\ L} = \bf 0.25\ M


(If you detect any mistakes in my English report me them, please).

6 0
3 years ago
Read 2 more answers
The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is
Rudik [331]

Answer:

1.  C. helium

2.  D. oxygen and acetylene

3.  B.  deliquescence

4.  C.  cutting very hard surfaces

5.  B.  3.5%

Explanation:

5 0
3 years ago
A substance changes from a solid to a liquid at its boiling point. True or false
svetoff [14.1K]
The answer is false
For an ex: an ice is a solid once it's melts cuz of the heat it's a liquid but if u boil the liquid then it's at it's boiling point

Idk I'm not that really good in science sorry......
4 0
3 years ago
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Which line of defense includes active immunity?<br><br> first<br> second<br> third<br> fourth
Tom [10]

Answer:

B second

Explanation:

4 0
3 years ago
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What happens when a student/ classmate gets Sulphuric in there eyes?
agasfer [191]

Answer:

don't try this in lab

Explanation:

  1. it can irritate eyes and cause burning
  2. swelling and tearing of eyes
  3. blurred vision and may cause blindness
4 0
2 years ago
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