The initial value of P*V = 0.100*150 atm-m³ <span> Each balloon has a volume of (4/3)*π*r³ and N balloons have a volume of N*(4/3)*π*r³ </span><span> When all the balloons are inflated, the pressure in the tank is the same as the pressure in the balloons, so the final value of P*V is </span><span> 1.20*[N*(4/3)*π*r³ + 0.100] </span><span> 0.100*150 = 1.20*[N*(4/3)*π*r³ + 0.100] solve for N: </span><span> 15/1.2 = N*(4/3)*π*r³ + 0.100 </span><span> 12.5 - 0.100 = N*(4/3)*π*0.150³ </span><span> 12.4 = N*0.01414 </span><span> N = 877</span>
The secondary structure arises from the hydrogen bonds formed between atoms of the polypeptide backbone. The hydrogen bonds form between the partially negative oxygen atom and the partially positive nitrogen atom
