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Troyanec [42]
3 years ago
10

HELP PLZZZZ plz A PLZ plz

Chemistry
1 answer:
natta225 [31]3 years ago
3 0
It got its layer from over time from wind and dust and buildup of dirt
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I believe the mesosphere, asthenosphere,
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4 years ago
HELP!!!! A glass flask containing 100 milliliters of water is sealed with a rubber stopper and placed on a burner. After a while
kondor19780726 [428]

Answer: A closed system, because energy can enter or leave the container, but the water molecules cannot

Explanation:

Open system: In this system energy and matter both have access to their surroundings beyond the boundaries of system. .

Closed system :In this type system only energy has an access to its surroundings beyond the boundaries of system but not matter.

Isolated system:In this type system exchange of both energy and matter are restricted to move outside the boundaries of system.

According to question, the system given is a closed system because energy is transferred from the burner to glass flask and from the glass flask to the water (matter). But water molecules are only getting condensed on the inside surface of the flask that is exchange of matter beyond the boundaries of the system is restricted. Hence, closed system ,A closed system, because energy can enter or leave the container, but the water molecules cannot.

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3 years ago
ANSWER ASAP AND I WILL GIVE BRAINLYEST!!!!
inysia [295]

Ocean currents act much like a conveyor belt, transporting warm water and precipitation from the equator toward the poles and cold water from the poles back to the tropics. Thus, ocean currents regulate global climate, helping to counteract the uneven distribution of solar radiation reaching Earth's surface. I think its B

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4 years ago
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Please I need help with Chemistry ! Questions in attachment, I'LL GIVE THE BRAINLEST AND POINTS ! I need it soon !!
ludmilkaskok [199]

Answer:

1)

A) Bromine

B) Lithium

C) Calcium

D) Sodium

E) Actinium

2)

Carbon: 60

Magnesium 24 times

bromine is 14 times

3)

24 times

8/3 times

4)

Hydrogen

Helium

5)

Explanation:

7 0
3 years ago
A fat is composed, in part, of long chains of carbon and hydrogen. This fat as a molecular
IgorLugansk [536]

Answer:

C_{54}H_{102}O_6

Explanation:

Hello!

In this case, since the molar mass of the empirical formula is:

MM_{empircal}=9*12.01+17*1.01+16.00=141.26g/mol

Thus, the ratio of the molecular to the empirical formula is:

\frac{847g/mol}{141.26g/mol} =6.0

Thus, the molecular formula is six times the empirical formula:

C_{54}H_{102}O_6

Best regards!

8 0
3 years ago
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