<p>Nuclear fission reaction summary:<br />235     1<br />92 U + 0 n →unknown nucleus A (Equation 1)<br /><br />unknown nucleus A →90 38 Sr + unknown nucleus B + 3 1 n (Equation 2)<br />                                                                                        0<br />(i)<br />Find the mass number and atomic number for the unknown nuclei A and B and identify them. Comprehensive explaination needed<br />(ii)<br />Under certain circumstances this process may generate a self-sustaining chain reaction. fully describe what 3 conditions need to be satisfied for this to occur. <br /><br />(b) 225.9771 g of 226 86Rn decays to form 221.9703 g of 222 86 Rn and 4.0015 g<br />of 42He .<br />(i)<br />How much energy is released in this reaction?<br />(ii)<br />For how many years would the energy released power a 12 W light bulb?<br />Any help would be greatly appreciated.</p>
<p>Nuclear fission reaction summary:<br />235     1<br />92 U + 0 n →unknown nucleus A (Equation 1)<br /><br />unknown nucleus A →90 38 Sr + unknown nucleus B + 3 1 n (Equation 2)<br />                                                                                        0<br />(i)<br />Find the mass number and atomic number for the unknown nuclei A and B and identify them. Comprehensive explaination needed<br />(ii)<br />Under certain circumstances this process may generate a self-sustaining chain reaction. fully describe what 3 conditions need to be satisfied for this to occur. <br /><br />(b) 225.9771 g of 226 86Rn decays to form 221.9703 g of 222 86 Rn and 4.0015 g<br />of 42He .<br />(i)<br />How much energy is released in this reaction?<br />(ii)<br />For how many years would the energy released power a 12 W light bulb?<br />Any help would be greatly appreciated.</p>
