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lions [1.4K]
3 years ago
6

What is the source of almost all energy on earth

Chemistry
2 answers:
AnnyKZ [126]3 years ago
5 0

Answer:

Sun

Explanation:

I just took the quiz

Sergeeva-Olga [200]3 years ago
3 0

Answer:

maybe sun is the answer

Explanation:

because it is the source of almost every energy of eaeth becoz even we human and other every living organisms cant leave without sun

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The escape of molecules from the surface of a liquid is known as _____.
RUDIKE [14]
Its c. evaporation :)

8 0
3 years ago
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What are the molecular formula of 20 elements​
baherus [9]

Explanation:

Hydrogen (H)

Helium (He)

Lithium (Li)

Beryllium (Be)

Boron (B)

Carbon (C)

Nitrogen (N)

Oxygen (O)

Fluorine (F)

Neon (Ne)

Sodium (Na)

Magnesium (Mg)

Aluminum (Al)

Silicon (Si)

Phosphorus (P)

Sulfur (S)

Chlorine (Cl)

Argon (Ar)

Potassium (K)

Calcium (Ca)

Hope this is correct and helpful

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3 0
3 years ago
On the electromagnetic spectrum what two types of waves are microwaves between?
boyakko [2]

Microwaves are defined as electromagnetic radiations with a frequency ranging between 300 MHz to 300 GHz while the wavelength ranges from 1 mm to around 30 cm. The microwave radiation is commonly referred to as microwaves. They fall between the infrared radiation and radio waves in the electromagnetic spectrum. radio waves in the electromagnetic spectrum.

4 0
3 years ago
Which of the following is a true statement about erosion?
ziro4ka [17]

Answer:

I would say A, Gravity can help erosion to occur.

Explanation:

While B,C,D do help cause erosion, that isn't the only way erosion can occur.

6 0
3 years ago
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A compound is found to contain 50. 05% sulfur and 49. 95% oxygen by mass. What is the empirical formula for this compound? SO S2
jekas [21]

The empirical formula for the given compound has been \rm SO_2. Thus, option C is correct.

The empirical formula has been the whole unit ratio of the elements in the formula unit.

<h3>Computation for the Empirical formula</h3>

The given mass of Sulfur has been, 50.05 g

The given mass of oxygen has been 49.95 g.

The moles of elements in the sample has been given by:

\rm Moles=\dfrac{Mass}{Molar\;mass}

  • Moles of Sulfur:

\rm Moles\;S=\dfrac{50.05}{32}\\&#10; Moles\;S=1.56\;mol

The moles of sulfur in the unit has been 1.56 mol.

  • Moles of Oxygen:

\rm Moles\;O=\dfrac{49.95}{16} \\&#10;Moles\;O=3.12\;mol

The moles of oxygen in the unit has been 3.12 mol.

The empirical formula unit has been given as:

\rm S_{1.56}O_{3.12}=SO_2

Thus, the empirical formula for the given compound has been \rm SO_2. Thus, option C is correct.

Learn more about empirical formula, here:

brainly.com/question/11588623

8 0
2 years ago
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