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PilotLPTM [1.2K]
4 years ago
8

Which choice tells how energy is transferred between the atmosphere and hydrosphere? runoff and condensation precipitation and e

vaporation condensation and evaporation evaporation and runoff
Chemistry
2 answers:
4vir4ik [10]4 years ago
8 0

Answer:

correct answer is  precipitation and evaporation

Explanation:

solution

correct answer is  precipitation and evaporation  because in the evaporation process of water cycle, the atmosphere is directly interact with the hydrosphere as water changes from liquid into vapor or  gas form

and Precipitation is the process when water that may be in the form of snow or hail or rain etc that is fall from the cloud into the open sky

so correct answer is  precipitation and evaporation

a_sh-v [17]4 years ago
8 0

Answer:

c

Explanation:

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A sealed 5.00L flask contains an unknown gas at 1.05 atm and 296 K. How many moles of the unknown gas are in the flask?
xeze [42]

Moles of the unknown gas in the flask : 0.216

<h3>Further explanation</h3>

The gas equation can be written  

\large {\boxed {\bold {PV = nRT}}}

where  

P = pressure, atm  

V = volume, liter  

n = number of moles  

R = gas constant = 0.08206 L.atm / mol K  

T = temperature, Kelvin  

V=5 L

P = 1.05 atm

T = 296 K

\tt n=\dfrac{PV}{RT}\\\\n=\dfrac{1.05\times 5}{0.082\times 296}\\\\n=0.216

8 0
3 years ago
How many sig figs are in 0.0003422
Ivenika [448]

Answer:

4

Explanation:

The zeros before a non zero digit do not count as significant figures so there are 4 sig figs in the number

5 0
4 years ago
The vapor pressure of ethanol is 54.68 mm Hg at 25°C. How many grams of estrogen (estradiol), C18H24O2, a nonvolatile, nonelectr
amm1812

Answer:

30.5 g of estrogen

Explanation:

Lowering vapor pressure formula → P° - P' = P° . Xm

P° → Vapor pressure of pure solvent → 54.68 mmHg

P' → Vapor pressure of solution → 53.46 mmHg

54.68 mmHg - 53.46 mmHg = 54.68 mmHg . Xm

0.0223 = Xm → This is the mole fraction for solute

Moles of solute / Total moles

Total moles = Moles of solute + Moles of solvent

Let's determine the moles of solvent → 228 g / 46.07 g/mol = 4.95 moles

Let's determine the moles of solute

Moles of solute / Moles of solute + 4.95 = 0.0223

Moles of solute = 0.0223 . Moles of solute + 0.110

0.9777 moles of solute = 0.110

Moles of solute = 0.110 / 0.9777 → 0.112

Now we can convert the moles to mass to finish the excersise:

0.112 mol . 272.4 g/mol = 30.5 g

3 0
3 years ago
31. The mass number of a nucleus is :
Advocard [28]

Answer:hello

I think b is correct.

Explanation:

4 0
4 years ago
Please help!!!
svet-max [94.6K]

Answer:

A. covalent bond

Explanation:

Hope this helps out!

4 0
3 years ago
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