Question

Help Save & Exit Submit When an automobile engine starts, the metal parts immediately absorb 6,450 kJ of heat released during the combustion of gasoline. What would the final temperature of a 165 kg iron engine block initially at 15.7'C? (The specific heat of iron is 0.489 J/g °C.) Write answer to three significant figures. 0-12-18 Numeric Response

Answer 1

9 - 64 Sok = 6.4ъ хог мом (м) = 16 га = 1-triв 8 S = 0.4%9 31° AT = Ta-15.7°C q=msat С. 49 хит - 1-6 гхио ако489 т/ 9° x Ca-15-ric) a-) S-5°. . . .44ги • 60х 10S КО-489 Ta-JS1 = 799, с Та = 7 48 4+/+ T, = 90+6° cs Scanned wifinal temperature cta) = 95.6°C