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-Dominant- [34]
3 years ago
14

2. Sa epikong binasa, sinusuong at nilalabanan ni Indarapatra ang mga halimaw ,

Chemistry
1 answer:
lutik1710 [3]3 years ago
5 0

Answer:

hindi sila magkapareho

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Strontium (Sr) has the FCC crystal structure, an atomic radius of 0.215 nm, and an atomic weight of 87.62 g/mol. What is its the
Valentin [98]

Answer:Theoretical density =2.576g/cm³

Explanation:

Theoretical density p= (A×n)/Vc ×Av

A= molecular weight

n= effective number of atoms per unit cell

Vc=Volume of unit cell = a³

Av = Avogadro's constant = 6.02×10²³

Given that A= 87.2g/mol

n= 4 (For FCC crystal structure)

Vc= a³

Where a = 2R√2 and R is the atomic radius

R=0.215

a= 2 × 0.215×√2

a= 0.608nm = 0.608×10^-7 cm

Vc= (0.608×10^-7 cm)³

Vc=2.25×10^-22 cm³

P= (87.2 × 4)/

(2.25×10^-22) × (6.02×10²³)

P= 2.576g/cm³

Therefore the theoretical density of strontium is 2.576g/cm³

3 0
3 years ago
What is the answer to this ?
dybincka [34]
Answer:
D

Explanation:
Because the number of protons is the same as the atomic number, we know what the number of protons has to be 26. The mass number, 55, is the same as the number of protons plus neutrons. Lastly, because there is no charge on this atom, the number of electrons would have to be the same as the number of protons, which is 26.
5 0
1 year ago
What is the value of life
Murrr4er [49]

The Value of a Human Life: $129,000. In theory, a year of human life is priceless. In reality, it's worth $50,000. That's the international standard most private and government-run health insurance plans worldwide use to determine whether to cover a new medical procedure.

8 0
3 years ago
Which of the following definitions best describes a parallel of latitude?
Alexxandr [17]
I think the answer is A: a line that is drawn horizontally around the earth and is parallel to the Prime Meridian

Hope this helps:)
8 0
3 years ago
Read 2 more answers
Cual es la definición de las propiedades generales? ayudaaaa plis​
Fantom [35]

Answer:

Son aquellas características que comparte absolutamente toda la materia, sin distinción de su composición, forma, presentación o elementos constitutivos. Las propiedades generales no permiten diferenciar una sustancia de otra. Algunas propiedades extrínsecas son la masa, el volumen, el peso y la temperatura

Explanation:

espero que esto ayude

3 0
3 years ago
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