1. Heat can initiate reaction as well as be a product of chemical reactions. Cite the specific sample from the experiment that show heat acting in the manner. (this is for recycling a copper using a copper nitrate, sodium hydroxide and HCL)
To determine if heat is involved in the reaction during the recycling of copper using copper nitrate, sodium hydroxide, and HCl, we need to refer to the specific experimental conditions and observations. Here, I'll explain the steps and observations of the experiment, including any heat effects:
1. Preparation: Start by dissolving copper nitrate (Cu(NO3)2) in water to obtain a copper nitrate solution.
2. Reaction 1: Add sodium hydroxide (NaOH) to the copper nitrate solution. A chemical reaction takes place:
Cu(NO3)2 + 2NaOH → Cu(OH)2 + 2NaNO3
The reaction produces a precipitate of copper(II) hydroxide (Cu(OH)2) and soluble sodium nitrate (NaNO3).
Observation: During this reaction, heat is released. This can be observed as the solution becoming warm or hot to the touch.
The heat released in Reaction 1 is an indication that the reaction is exothermic, meaning it releases energy in the form of heat. This heat generation indicates that the reaction is favorable and can proceed.
Note: The given experimental procedure involves recycling copper, which suggests that the copper hydroxide precipitate obtained in Reaction 1 can undergo further processing steps, like decomposition or reduction, to obtain metallic copper.
Remember, specific experimental conditions and observations may vary, so always refer to the experimental procedure for accurate information regarding the heat effects in the reaction.