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RideAnS [48]
4 years ago
9

Which answer choice best explains why uranium-238 can be used in power plants to generate electricity?

Chemistry
1 answer:
Lemur [1.5K]4 years ago
8 0
Uranium is a fissionable material to which if you split it, it makes a lot of heat which is used in reactors for massive energy production.
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The answer is C. more better. Like I'm better everyday :D


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4 0
3 years ago
There are 6.022 x 10^23 atoms of Hg in 1 mole of Hg. The number of atoms in 4.5 moles of Hg can be found by multiplying 4.5 by 6
serious [3.7K]

Answer:

D. 27.099 x 10²³.

Explanation:

  • It is known that every 1.0 mole of an atom contains Avogadro's no. (6.022 x 10²³) atoms.

<em>So, 4.5 mol of Hg will contain:</em>

(4.5 mol)(6.022 x 10²³) = 27.099 x 10²³ atoms.

<em>So, the right choice is: D. 27.099 x 10²³.</em>

4 0
4 years ago
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ArbitrLikvidat [17]

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6 0
3 years ago
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How many atoms of hydrogen are in two moles of ch4?
ziro4ka [17]
There are four Hydrogen atoms in one molecule of Methane (CH₄).
And there are 6.022×10²³ molecules in 1 mole of CH₄.
So,
Number of Hydrogen atoms is 1 mole of CH₄ are,

                      =  6.022 × 10²³ × 4
                 
                      =  2.4 ×10²⁴ Hydrogen Atoms

Now calculating for 2 moles,

As,
                   1 mole of CH₄ contains  =  2.4 ×10²⁴ Hydrogen Atom
Then,
             2 moles of CH₄ will contain  =  X Hydrogen Atoms

Solving for X,
                          X  =  (2 moles × 2.4 ×10²⁴ Hydrogen Atom) ÷ 1 mole

                          X  =  4.8 × 10²⁴ Hydrogen Atoms
5 0
4 years ago
Use the drop-down menus to complete each sentence. is moving the fastest. is standing still. started at the same location.
nikklg [1K]

Answer:

car a

car c

cars a and b

on egdenuity i just did it

Explanation:

4 0
3 years ago
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