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maks197457 [2]
3 years ago
15

Which of the following actions describes nuclear fusion

Chemistry
2 answers:
djverab [1.8K]3 years ago
5 0
C it is combining the nuclei to become bigger
alex41 [277]3 years ago
4 0

Answer:

c) joining of small nuclei to produce bigger nuclei

Explanation:

Hi, the combination of to elements with small nucleus to create a new one with a bigger nucleous is the definition of nuclear fusion.

Also, <u>options A and D are descriptions of chemical</u> reactions: the sharing of electrons and bonds.

The splitting of a big nucleous to generate smaller ones is called nuclear fision

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Answer: Volume of the gas at STP is 22.53 L.

Explanation:

Given : Volume = 125 mL   (as 1 mL = 0.001 L) = 0.125 L

Temperature = 70^{o}C = (70 + 273) K = 343 K

Pressure = 125 kPa = 125 kPa \times \frac{0.01 atm}{1 kPa} = 1.25 atm

According to the ideal gas equation, the volume of given nitrogen gas is calculated as follows.

PV = nRT

where,

P = pressure

V = volume

n = number of moles

R = gas constant = 0.0821 L atm/mol K

T = temperature

Substitute the values into above formula as follows.

1.25 atm \times V = 1 mol \times 0.0821 L atm/mol K \times 343 K\\V = \frac{1 mol \times 0.0821 L atm/mol K \times 343 K}{1.25 atm}\\= \frac{28.1603}{1.25} L\\= 22.53 L

Hence, volume of the gas at STP is 22.53 L.

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