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Reil [10]
3 years ago
8

I got a few questions

Chemistry
2 answers:
saveliy_v [14]3 years ago
7 0
1.) No we are not alone in the universe.
2.) We are the only species on this planet with the foresight capable of deliberately plotting a path toward a desirable long-term future. Plan it for the apes; because they can’t.
3.) the state of being awake and aware of one's surroundings.
4.) Dreams are basically stories and images our mind creates while we sleep. ... Dreams can occur anytime during sleep. But most vivid dreams occur during deep, REM (rapid eye movement) sleep, when the brain is most active.
5.) Definition of Solar Energy. When the sun's energy reaches the earth in the form of sunlight, it can be converted into other forms of energy. The sun is a huge ball of gas, mostly hydrogen with a little helium.
irinina [24]3 years ago
7 0

1. We don't know yet, but personally I think there are "aliens" in the universe

2. Humans communicate with a very complex language plus we're not crazy like animals

3. the state of being aware

4. I think we dream so the brain can sort out all of our memories throughout the day.

5. The sun gives us many different types of vitamins through our skin.

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The picture below shows a warm air mass caught between two cooler air masses. What is this type of front called? Plz, I really n
pentagon [3]

An occluded front forms when a warm air mass is caught between two cooler air masses.

6 0
3 years ago
If 60. liters of hydrogen gas at 546 K is cooled to 273 K at constant pressure, the new volume of the gas would be
Korvikt [17]

Answer:30 L

Explanation:

Initial Volume

=

V

1

=

60

l

i

t

e

r

Initial Temperature

=

T

1

=

546

K

Final Temperature

=

T

2

=

273

K

Final Vloume

=

V

2

=

?

?

Sol:-

Since the pressure is constant and the question is asking about temperature and volume, i.e,

V

1

T

1

=

V

2

T

2

⇒

V

2

=

V

1

⋅

T

2

T

1

=

60

⋅

273

546

=

60

2

=

30

l

i

t

e

r

⇒

V

2

=

30

l

i

t

e

r

Hence the new volume of the gas is

30

l

i

t

e

r

6 0
3 years ago
Which is an example of a non aqueous solution
damaskus [11]

Answer: gasoline

Explanation:

An aqueous solution is one which contains water as a solvent. A non- aqueous solution is the one in which the solvent of the solution is a liquid but it is not water.

Among the options given, gasoline is the correct option. This is because of the fact that gasoline is a crude oil which does not include water as an ingredient.

3 0
3 years ago
Read 2 more answers
How many significant figures are in 4.800x10-3?​
seraphim [82]
4 after solving =0.004800 where 4,800 is the significant number
5 0
2 years ago
How many atoms are in the peroxide H2O2 molecule? Explain.
Mrrafil [7]
There are two hydrogen and two oxygen molecules because the number next to the atomic number is how many there are.
5 0
4 years ago
Read 2 more answers
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