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3 years ago

What part of a wind turbine provides motion to convert into electricity?

1 answer:

3 0

This is somewhat of a misleading question, because all of these elements are necessary to convert motion into electricity at some point, but the generator is the last in line.

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Number of Mg(OH)2 formula units in 7.40 moles of Mg(OH)2.

-Dominant- [34]

The answer is 4.45 × 10²⁴ units.

To calculate this, we will use Avogadro's number which is the number of units (atoms, molecules) in 1 mole of substance:
6.02 × 10²³ units per 1 mole

So, we need a proportion:
If 6.02 × 10²³ units are in 1 mole, how many units will be in 7.40 moles:
6.02 × 10²³ units : 1 mole = x : 7.40 moles

After crossing the products:
1 mole * x = 7.40 moles * 6.02 × 10²³ units
x = 7.40 * 6.02 × 10²³ units
x = 44.5 × 10²³ units = 4.45× 10²⁴ unit

5 0

2 years ago

Using GRIGNARDS REAGENT convert methane to ethanol

slamgirl [31]

Answer:

Explanation:

6 0

3 years ago

Which part of the earth system contains the air we breathe

Gnom [1K]

The atmosphere contains the air we breathe

4 0

3 years ago

How is motion involved in your lives?

PolarNik [594]

Answer:

By walking and stuff, duh.

Explanation:

We walk, motion.

We drive, motion.

We eat, motion.

We talk, motion.

8 0

3 years ago

Read 2 more answers

Which of the following species has the greatest

Licemer1 [7]

Answer: Option (3) is the correct answer.

Explanation:

When there is a negative charge on an atom then we add the charge with the number of electrons. Whereas when there is a positive charge on an atom then we subtract the charge from the number of electrons.

Atomic number of chlorine is 17. So, number of electrons present in $Cl^{-}$ is 17 + 1 = 18 electrons.

Atomic number of cobalt is 27. So, number of electrons present in $Co^{4+}$ is 27 - 4 = 23 electrons.

Atomic number of iron is 26. So, number of electrons present in $Fe^{2+}$ is 26 - 2 = 24 electrons.

Atomic number of vanadium is 23. So, number of electrons present in V is 23 electrons.

Atomic number of scandium is 21. So, number of electrons present in $Sc^{2-}$ is 21 + 2 = 23 electrons.

Thus, we can conclude that out of the given species, $Fe^{2+}$ has the greatest number of electrons.

4 0

3 years ago

Read 2 more answers