I'm not positive but I believe you are talking about where sperm comes from, correct?
Answer:
yes
Explanation:
she loves me and i would die for her
Answer: Freezing point of a solution will be ![-1.16^0C](https://tex.z-dn.net/?f=-1.16%5E0C)
Explanation:
Depression in freezing point is given by:
![\Delta T_f=i\times K_f\times m](https://tex.z-dn.net/?f=%5CDelta%20T_f%3Di%5Ctimes%20K_f%5Ctimes%20m)
= Depression in freezing point
i= vant hoff factor = 1 (for non electrolyte)
= freezing point constant = ![5.12^0C/m](https://tex.z-dn.net/?f=5.12%5E0C%2Fm)
m= molality
![\Delta T_f=i\times K_f\times \frac{\text{mass of solute}}{\text{molar mass of solute}\times \text{weight of solvent in kg}}](https://tex.z-dn.net/?f=%5CDelta%20T_f%3Di%5Ctimes%20K_f%5Ctimes%20%5Cfrac%7B%5Ctext%7Bmass%20of%20solute%7D%7D%7B%5Ctext%7Bmolar%20mass%20of%20solute%7D%5Ctimes%20%5Ctext%7Bweight%20of%20solvent%20in%20kg%7D%7D)
Weight of solvent (benzene)= 1480 g =1.48 kg
Molar mass of solute (octane) = 114.0 g/mol
Mass of solute (octane) = 220 g
![(5.50-T_f)^0C=1\times 5.12\times \frac{220g}{114.0 g/mol\times 1.48kg}](https://tex.z-dn.net/?f=%285.50-T_f%29%5E0C%3D1%5Ctimes%205.12%5Ctimes%20%5Cfrac%7B220g%7D%7B114.0%20g%2Fmol%5Ctimes%201.48kg%7D)
![(5.50-T_f)^0C=6.68](https://tex.z-dn.net/?f=%285.50-T_f%29%5E0C%3D6.68)
![T_f=-1.16^0C](https://tex.z-dn.net/?f=T_f%3D-1.16%5E0C)
Thus the freezing point of a solution will be ![-1.16^0C](https://tex.z-dn.net/?f=-1.16%5E0C)
Answer:
Half life is the time taken by a radio active isotope to reduce by half of its original amount. Radium-226 has a half life of 1602 years meaning that it would take 1602 years for a mass of radium to reduce by half.
Number of half lives in 9612 years = 9612/1602 = 6 half lives
New mass = Original mass x (1/2)n where n is the number of half lives.
Therefore, New mass= 500 x (1/2)∧6
= 500 x 0.015625
= 7.8125 g
Hence the mass of radium after 9612 years will be 7.8125 grams.
Explanation: