What is responsible for the colors that are seen in the flame tests? Explain. Wr

Question

What is responsible for the colors that are seen in the flame tests? Explain. Write net ionic equations for positive tests for chloride and ammonium ions. Use the Internet to find the molecular equation for the reaction that represents the positive test between phosphate and ammonium molybdate. If a patient's urine contains elevated levels of glucose and protein, what likely condition(s) is the patient suffering from? Based on what you learned from this lab, what could be done to improve the diagnosis?

Explanation / Answer

Q1.

Colors are seen in the flame test due to electrons being excited to higher levels, and then, evnetually, dropping and releasing energy. This energy is associated to a wavelenght, if we see the light, it falled in the visible range of the spectrum

Q2.

net ionic equation for:

Chloride and ammonion ions

For Chloride ions:

Ag+(aq) + Cl-(aq) --> AgCl(s) (white precipitate)

For NH4+

NH4+ + OH- ---> H2O(l) + NH3(g) (gas formation, pungent odor)

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