An aluminium sphere with a mass of 4.2 kg and an initial temperature of 250°C is placed in a closed, thermally Isolated container with 30 kg water water - 4 185kg 1.c '). Determine the final/equilibrium temperature if the initial temperature of the water is 14 C.
A. 20.9°C
B. 132.0°C
C. 6.7°C
D. 26.3°C

Which type of reaction is shown in this energy diagram? energy products activation energy reactants time o a. endothermic, because energy is released to the surroundings o b. exothermic, because energy is absorbed from the surroundings o c. exothermic, because energy is released to the surroundings o d. endothermic, because energy is absorbed from the surroundings