Copper+Reaction+Cycle-Sonja&Thomas

After that we poured about ... nitric acid onto the copper metal. Then we placed it in the machine, so we don't breathe in the NO2, one of the products after the reaction. After the reaction and after all the NO2 escaped, we were left with a greenish blue liquid, which is Cu(NO3)2 dissolved in H20. ||  ||   || NaOH into the beaker, we needed to stir and place it in a bucket with cold water, so it can cool down, because heat was produced, when it reacted. After this reacted, we had two products, Cu(OH)2 and NaNO3. We were left with Cu(OH)2, a solid, swimming in NaNO3. While that reacted, the NaOH also reacted with HNO3, which we used in the first reaction, but because not everything was used in the first reaction, the remain reacted with the Sodium Hydroxide. This turned into H20 and NaNO3. ||  || This looked like a blue opaque liquid, but it actually was a precipitate, the Cu(OH)2 || a precipitate placed in H2O, because of the heat that was produced in the second reaction. The NaNO3 was dissolved in the water. To get rid of the NaNO3 we rinsed our solution 3 times, so we were only left with CuO <span style="font-family: 'Times New Roman',Times,serif;">and H2O. ||  ||   ||
 * <span style="font-family: 'Times New Roman',Times,serif;">Step || <span style="font-family: 'Times New Roman',Times,serif;">Description || <span style="font-family: 'Times New Roman',Times,serif;">Pictures || <span style="font-family: 'Times New Roman',Times,serif;">Analysis ||
 * 1 || <span style="font-family: 'Times New Roman',Times,serif;">In the very beginning we got a piece of copper metal and placed it in a beaker.
 * 2 || <span style="font-family: 'Times New Roman',Times,serif;">In the next step, we added NaOH to the aqueous Cu(NO3)2. While we were pouring the
 * 3 || <span style="font-family: 'Times New Roman',Times,serif;">After we let the Cu(OH)2 sit in NaNO3, which is dissolved in water, it turned into CuO,
 * 4 || <span style="font-family: 'Times New Roman',Times,serif;">In this step, CuO + H2SO4 --> CuSO4 + H2O ... ||  ||   ||
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