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mariarad [96]
3 years ago
6

you are studying an animal that produces only one offspring every three or four years. Is it likely to use external or internal

fertilization?
Chemistry
1 answer:
Igoryamba3 years ago
6 0

Answer:

internal fertilization

Explanation:

Internal fertilization enhances the fertilization of eggs by a specific male. Fewer offspring are produced through this method, but their survival rate is higher than that for external fertilization.

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In comparison to an atom of F-19 in the ground state, an atom of C-12 in the ground state has(1) three fewer neutrons
mel-nik [20]
(2) three fewer valence electrons is your answer.
6 0
3 years ago
A sample of gold has a mass of 15.7 g and displaces 0.81 cm3 of eater in a graduated cylinder. What is the density of gold?
Ostrovityanka [42]

Answer: 19.4 g/cm3

Explanation: density is the relationship between mass over volume.

So density of gold is 15.7g/0.81cm3 = 19.4 g/cm3

3 0
3 years ago
Type the correct answer in each box. Spell all words correctly.
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What is a watt, which is a unit of power,equal to?
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3 years ago
How many moles are 7.25 x 1023 formula units of Mgo ?
romanna [79]

Answer:

<h2>The answer is option D</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L}  \\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

n =  \frac{7.25 \times  {10}^{23} }{6.02 \times  {10}^{23} }  =  \frac{7.25}{6.02}  \\  = 1.2043189368...

We have the final answer as

<h3>1.20 moles</h3>

Hope this helps you

6 0
3 years ago
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