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WITCHER [35]
3 years ago
6

How do hurricanes form? How do hurricanes form?

Chemistry
2 answers:
densk [106]3 years ago
6 0

Answer:

D. Hurricanes form as a result of rising warm air and circulating winds​

Explanation:

12345 [234]3 years ago
4 0
I think the answer is D
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The molarity of a solution prepared by dissolving 4.11 g of NaI in enough water to prepare 312 mL of solution is
Dimas [21]

Answer:

The correct answer is 8.79 × 10⁻² M.

Explanation:

Based on the given information, the mass of NaI given is 4.11 grams. The molecular mass of NaI is 149.89 gram per mole. The moles of NaI can be determined by using the formula,

No. of moles of NaI = Weight of NaI/ Molecular mass

= 4.11 / 149.89

= 0.027420

The vol. of the solution given is 312 ml or 0.312 L

The molarity can be determined by using the formula,

Molarity = No. of moles/ Volume of the solution in L

= 0.027420/0.312

= 0.0879 M or 8.79 × 10⁻² M

6 0
2 years ago
These celestial bodies are thought to originate from two different sources. Some are called long-period and originate from the O
Alexus [3.1K]
It’s c I believe because it says 209 years to complete an orbit so hint yourself ?.....
6 0
3 years ago
Read 2 more answers
The Hawaiian islands are a unique chain of islands because they are not
____ [38]

Answer:

yes its the correct one like bruhh find out ur self nah jk have a good day

Explanation:

5 0
2 years ago
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4. What is the volume of a box that has a length of 50cm, a width of 20cm,<br> and a height of 5 cm?
EastWind [94]

5,000 cm3 (cubic centimeters)

4 0
2 years ago
If a balloon is filled with a mixture of helium and oxygen, which gas will escape faster? Why?
Serjik [45]

Answer:

The rate of leakage will be higher for helium; its molecules move about 3 times faster than oxygen’s

Explanation:

Step 1: Data given

Molar mass helium = 4.0 g/mol

Molar mass O2 = 32 g/mol

Step 2: Graham's law

Graham's Law of Effusion states that the rate of effusion of a gas is inversely proportional to the square root of the molecular mass : 1/(Mr)^0.5

Rate of escape for He = 1/(4.0)^0.5 = 0.5

Rate of escape for O2 = 1/(32)^0.5 = 0.177

The rate of leakage will be higher for helium; its molecules move about 3 times faster than oxygen’s

4 0
3 years ago
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