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Vsevolod [243]
3 years ago
14

Which power source uses the earth’s internal heat?

Chemistry
1 answer:
Nataly_w [17]3 years ago
5 0

Answer:

Its geothermal energy.

Explanation:

hope this helps

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3 years ago
Predict the geometry around the central atom in SO2- A) trigonal pyramidal B) tetrahedral C) octahedral D) trigonal planar E) tr
liubo4ka [24]

<u>Answer:</u> The correct answer is Option D.

<u>Explanation:</u>

To calculate the hybridization of SO_2, we use the equation:

\text{Number of electron pair}=\frac{1}{2}[V+N-C+A]

where,

V = number of valence electrons present in central atom  (S) = 6

N = number of monovalent atoms bonded to central atom  = 0

C = charge of cation  = 0

A = charge of anion = 0

Putting values in above equation, we get:

\text{Number of electron pair}=\frac{1}{2}[6]=3

The number of electron pair around the central metal atom are 3. This means that the hybridization will be sp^2 and the electronic geometry of the molecule will be trigonal planar.

Hence, the correct answer is Option D.

3 0
3 years ago
Use the equation: 2Mg + O2→ 2MgO
ludmilkaskok [199]

Answer:

3 moles of O2 needed

Explanation:

2 moles of Mg   to one mole O2

   so 3 moles of O2 needed

6 0
2 years ago
The series of processes that slowly change rocks from one kind to another is referred to as the
katrin [286]
Crystallization metamorphism sedimentation and erosion
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What is the standard notation for 7.934 x 10-4 ?
maks197457 [2]

Answer:

It is

Explanation:

75.34 Im hopeing this correct.Very sorry if wrong.

4 0
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