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goldfiish [28.3K]
2 years ago
15

What do wind turbines do to moving air? ​

Chemistry
2 answers:
KIM [24]2 years ago
7 0
The giant fans you sometimes see (mostly in the countryside) are wind turbines. Although they look like fans, spinning around in place, functionally, they’re the opposite of fans. Instead of using electricity to generate wind, as fans do, wind turbines use wind to generate electricity. Sound interesting? Let’s find out how.
ohaa [14]2 years ago
3 0
They transform kinetic (mechanical/moving) energy into electrical energy that is used to run homes and such.
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How many grams of sulfur are needed to react completely with 246 g of mercury to form hgs?
iren [92.7K]

The reaction between mercury (Hg) and sulfur (S) to form HgS is:

Hg + S ------------- HgS

Therefore: 1 mole of Hg reacts with 1 mole of S to form 1 mole of HgS

The given mass of Hg = 246 g

Atomic mass of Hg = 200.59 g/mol

# moles of Hg = 246 g/ 200.59 gmol-1 = 1.226 moles

Based on the reaction stoichiometry,

# moles of S that would react = 1.226 moles

Atomic mass of S = 32 g/mol

Therefore, mass of S = 1.226 moles*32 g/mole = 39.23 g

39.2 g of sulfur would be needed to react completely with 246 g of Hg to produce HgS

5 0
2 years ago
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Calculate the force applied to a car with mass of 1200 kg that has an acceleration of 2 m/s/s.
bearhunter [10]

Answer:

2,400

Explanation:

F = m × a

F = 1200 × 2

F = 2,400

6 0
3 years ago
Is a covalent bond the same as an atomic compound? Please explain why and if not, please explain the difference.
dezoksy [38]
In an ionic bond, one atom essentially donate an electron to stabilize the other atom. A molecule bond is made when two or more atoms form a chemical bond, linking them together. The two types of bonds are ionic bonds and covalent bonds.
6 0
3 years ago
I just need help with question 10.??? Please ASAP
Alex

Answer:

4 hydrogen / 1 Carbon

Just look at the diagram

4 0
2 years ago
Which of the following is an example of a distance force?
elixir [45]
C. A magnet causing a metal object to move
4 0
3 years ago
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