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mihalych1998 [28]
3 years ago
5

Which source of energy causes most of the water evaporation on Earth’s surface?

Chemistry
2 answers:
coldgirl [10]3 years ago
3 0
Which adds the most energy to the earth?  Solar.  So Solar will cause the most evaporation (B)
olga_2 [115]3 years ago
3 0

Answer:

The answer is "B. Solar".

Explanation:

"Evaporation happens when a liquid substance becomes a gas. ... Heat from the sun, or solar energy, powers the evaporation process. The water level will decrease as it is exposed to the heat of the sun."

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We dissolve 93 grams of sodium sulfate (Na2SO4) in 20 grams of water. What is the percent by mass of sodium sulfate in this solu
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A fog over a lake. what two changes of state must occur to produce the fog? do the water molecules absorb or release energy duri
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3 0
3 years ago
Read 2 more answers
How many sodium ions are in 1.4 kg of sodium chloride, NaCl?
Whitepunk [10]

Answer:

1.44 x 10²⁵ ions of Na⁺

Explanation:

Given parameters:

Mass of NaCl  = 1.4kg  = 1400g

Unknown:

Number of ions of sodium  = ?

Solution:

The compound NaCl in ionic form can be written as;

      NaCl →  Na⁺ + Cl⁻

In 1 mole of NaCl we have 1 mole of sodium ions

 Now, let us find the number of moles in NaCl;

  Number of moles  = \frac{mass}{molar mass}  

    Molar mass of NaCl  = 23 + 35.5 = 58.5g/mol

Number of moles  =  \frac{1400}{58.5}     = 23.93mol

 So;

   Since 1 mole of NaCl gives 1 mole of Na⁺  

    In 23.93 mole of NaCl will give 23.93 mole of Na⁺

1 mole of a substance  = 6.02 x 10²³ ions of a substance

  23.93 mole of a substance  =  6.02 x 10²³ x  23.93

                                                   = 1.44 x 10²⁵ ions of Na⁺

7 0
3 years ago
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