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Elena L [17]
4 years ago
12

Please help I will reward brainly !!

Chemistry
1 answer:
Reil [10]4 years ago
8 0
What happens to the water in the clouds is that he cloud gets heavy and let’s the rainfall out, aka rain
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8. How does the arctic fox survive the harsh winters in the tundra?
Ket [755]

Answer:

the answer is d

Explanation:

It migrates to coastal areas during the winter months to catch fish.

4 0
3 years ago
Aldehydes may oxidize to form:
Arlecino [84]
Aldehydes may oxidize to form carboxylic acid <span>exception to oxidizing formaldehyde  with strong oxidizing agent.

HCHO + 3[O] = CO</span>₂ + H₂O
5 0
4 years ago
Read 2 more answers
Another chemistry question i’m not good at this at all:( has me stressed
adoni [48]

Answer:

Average atomic mass = 15.86 amu.

Explanation:

Given data:

Number of atoms of Z-16.000 amu = 205

Number of atoms of Z-14.000 amu = 15

Average atomic mass  = ?

Solution:

Total number of atoms = 205 + 15 = 220

Percentage of Z-16.000 = 205/220 ×100 = 93.18%

Percentage of Z-14.000 = 15/220 ×100 = 6.82 %

Average atomic mass  = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass)  / 100

Average atomic mass  = (93.18×16.000)+(6.82×14.000) /100

Average atomic mass =  1490.88 + 95.48 / 100

Average atomic mass =  1586.36 / 100

Average atomic mass = 15.86 amu.

5 0
3 years ago
Write a balanced chemical equation for each of the following
stellarik [79]
1.) MgO + Fe --> FeO + Mg
2.) H + I --> HI
3.) Na + I --> NaI
4.) NaO + H2O --> NaOH + H
4 0
4 years ago
How is the Sun related to day and night and the change of seasons?
atroni [7]

Explanation:

As the Earth moves around the sun during a year, the northern half of the Earth is tilted towards the sun in the summer, making daytime longer than night. In winter, this reverses; the earth tilts away from the sun and nighttime becomes longer

4 0
3 years ago
Read 2 more answers
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