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What is the aplha decay of Pa-231?
Alpha decay of Protactinium-231 (Pa-231) involves the emission of an alpha particle, which is composed of two protons and two neutrons. When Pa-231 undergoes alpha decay, it transforms into Uranium-227 (U-227), releasing an alpha particle in the process. This decay process decreases the atomic number by 2 and the mass number by 4, resulting in the new isotope U-227. The half-life of Pa-231 is about 32,760 years.
What two whole numbers can be multiplied to get 231?
Pairs of positive integer factors of 231 are: 1 x 231 = 231 3 x 77 = 231 7 x 33 = 231 11 x 21 = 231 And their reverses.
What is y squared if y equals 231?
y2 = 231*231 = 53361
What is the LCM of 7 and 231?
Least Common Multiple (LCM) for 7 231 is 231.
What is 231 percent as a decimal?
231% = 2.31
What is the population density of Sangis?
The population density of Sangis is 231 people per square kilometer.
The average mass of 3 men is 77kg The average mass of 2 of the men is 72.5kg What is the mass of the 3rd man?
The everage mass of three men is: (a + b) / 3 = 77, where a is mass of two first men combined and b is a mass of third man. The everage mass of two men is: a / 2 = 72.5, therefore a = 145, and (145 + b) / 3 = 77 145 + b = 231 b = 231 - 145 = 86 Answer: Mass of the third man is 86 kg.
What is a factorization for 231?
Factorizations for 231 are: 1) 231 = 1x231 2) 231 = 3x7x11 3) 231 = 21x11 4) 231 = 3x77 5) 231 = 33x7
What forms when uranium 235 undergoes alpha decay?
Alpha decay is basically a helium atom, so 235-4= 231. And 92-2=90 (Uranium's atomic number minus helium's). The element with atomic number 90 is Thorium. The mass is 231, so you should have Th-231 (Thorium-231).
What two whole numbers can be multiplied to get 231?
Pairs of positive integer factors of 231 are: 1 x 231 = 231 3 x 77 = 231 7 x 33 = 231 11 x 21 = 231 And their reverses.
What can you divide 231 by?
You can divide 231 by 1, 3, 7, 11, 21, 33, 77, and 231. These are the factors of 231.
What is one seventh of 231?
1/7 * 231;= 231/7= 33
What is y squared if y equals 231?
y2 = 231*231 = 53361
What is the LCM of 3 11 and 7?
231231
What is the LCM of 77 and 21?
The LCM is 231.
What is the LCM of 7 and 231?
Least Common Multiple (LCM) for 7 231 is 231.
What is 55 percent of 231?
55 Percent of 231 = 55/100 * 231 = 127.05.
