Answer Happy

Please help to calculate these problems.
Initial Temp Final temp Time Heat Energy of water in solution Heat Energy of Chemical in solution Total Heat Energy Reaction Rate 100 mL of H₂0 20 °C 42 °C 5 min ? ? ? ? 95 mL H₂0 plus 5 g NaCO3 18.5 °C 53 °C 6 min ? ? ? ? 50 mL H₂0 20 °C 67 °C 7 min ? ? ? ? 40 mL H₂0 plus 10 g NaCl 19 °C 72 °C 5 min ? ? ? סיי