When Mixing Alka Seltzer and Water
When mixing Alka seltzer and Water, it does the following...
When mixing Alka Seltzer and water the temperature slightly decreased. This is an endothermic reaction because energy was absorbed because it was decreased even though it was small. The high was 32 degrees, the low was 30.
(NaHCO3 + H3 C6 H5 O7-----Na3 C6 H5 O7 + H2O + CO2)