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Anettt [7]
3 years ago
12

Why does it seem that the sun is rising and setting in the sky?

Chemistry
2 answers:
SVEN [57.7K]3 years ago
5 0

Answer:

Because of the earths rotation

Explanation:

But it appears to rise and set because of the Earth's rotation on its axis. It makes one complete turn every 24 hours. ... As the Earth rotates toward the east, it looks like the sun is moving west. As the Earth rotates, different locations on Earth pass through the sun's light.

Pachacha [2.7K]3 years ago
4 0

Answer:

When the earth is rotating, it is rotating away and towards the sun which is why we have day and night

Explanation:

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What is the coefficient in the expression 5v2+3 ?k​
natta225 [31]
What is the coefficient in the expression 5v2+3 ?k

The coefficient is 5. The number before the variable(s) is the coefficient.
8 0
4 years ago
the molecule structure of water contains two atoms of hydrogen and one of oxygen,water turns to vapor what happens to molecule s
sattari [20]

<em>Nothing happens</em>; water is still H₂O, even if it turns into ice, or vapor. Although, the molecules still move around faster, just like a normal gas would.

4 0
4 years ago
Please Help!
eduard
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4 0
4 years ago
Read 2 more answers
How many grams of aluminum phosphate is produced from 7.5 g of lithium phosphate in this balanced equation? 2Li3PO4 + Al2(SO4)3
iren [92.7K]

7.8049856 g of aluminium phosphate is produced from 7.5 g of lithium phosphate in this balanced equation.

<h3>What are moles?</h3>

A mole is defined as 6.02214076 × 10^{23} of some chemical unit, be it atoms, molecules, ions, or others. The mole is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.

Given data:

2Li_3PO_4 + Al_2(SO_4)_3→ 3Li_2SO_4 + 2AlPO_4

Moles of 7.5 g of lithium phosphate.

The molar mass of lithium phosphate is 115.79 g/mol.

Moles = \frac{mass}{molar \;mass}

Moles =\frac{7.5 g}{115.79 g/mol}

Moles = \frac{7.5 g}{115.79 g/mol}

Moles = 0.06477243285

Now we will compare the moles of AlPO_4 with Li_3PO_4.

               Li_3PO_4               :     AlPO_4

                   2            :               2

                0.385       :              2÷2× 0.064 = 0.064 mol

Mass of AlPO_4 :

Mass of AlPO_4 = moles × molar mass

Mass of AlPO_4 =0.064  mol × 121.9529 g/mol

Mass of AlPO_4 =  7.8049856 g

Hence, 7.8049856 g of aluminium phosphate is produced from 7.5 g of lithium phosphate in this balanced equation.

Learn more about moles here:

brainly.com/question/8455949

#SPJ1

4 0
2 years ago
If you pump air into cycle tyre a slight warming effect is noticed at valve stem why
SSSSS [86.1K]
Probably the kinetic energy of rubbing the pump against the valve, combined with the increase in gas pressure in the tire itself.
8 0
3 years ago
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