Becca'n'Emily2

Chapter 2:  1. Iron- 94.9 kg  Carbon – 4.55kg Silicon- 0.25kg Manganese- 0.3kg  2. __ Oxidised: __ Iron-1.9kg Carbon-4.32kg Manganese-0.27kg  3. Total steel produced- 93 + 0.23 + 0.03 = 93.26Kg.  4. Total energy created- 4.3x1.898=8.1614mj- Iron 11.7x4.5=52.65mj- Carbon 33.9x0.25= 8.475mj- Silicon 7.4x0.2= 1.48mj – Manganese  5. Natural gas used per household- 2000 X 32MJ = 64000MJ  6. 64000/70.6= 906kg of hot metal  7. 4.5x11.7=52.65 0.55x52.65=28.96 28.96+18.11=47.07 47070000/690=68217.4  68217.4/93=733.5  1350+733.5= 2083.5 degrees Celsius.  8. 1650-20=1630  1630x690=1124700 1124700+271000=1395700 1395700/1000=1395.7Kj  9. 70.76-23.69=47.07  47.07-19.28=27.79  27.79/1.39=19.9kg  10. 93.2+19.9=113.1Kg  11. 320/113.1=2.829x93.2=263.7 Tons of Hot Metal 320/113.1=2.829x19.9=56.3 Tons of Scrap 263.7+56.3=320 Tons  12. 320/7=45.7 Metres Cubed  13. 3.1415x(4/2)Squared=3.1415x2Squared=3.1415x4=12.56cm Squared 45.71/12.56=3.69m Cubed 3.69+0.5=4.14 The height of the ladle is 4.14 Metres