A 50g block of aluminum at -100degree c is submerged in 30g of water at 20 degree c. C water=4.184 j/g cC Al= 0.89 j/g ch fus water= 334 j/gWhat is the final temperature of both substances?

6) (a) calculate the absorbance of the solution if its concentration is 0.0278 m and its molar extinction coefficient is 35.9 l/(mol cm). the depth of the cell is 5 mm. (b) what is the %t? (7) calculate the absorbance of the solution if the transmitted light intensity is 70% of the initial light beam intensity