An electron is on a - 2.5 eV energy level. the electron is stuck by a 2.5 eV photon. What will most likely happen?

30. A. An organic compound - A (C4H80) forms phenyl hydrazone with phenyl hydrazine and reduces Fehling's mpt any two questions: solution. It has negative iodoform test. Identify the organic compound A.

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What trend does the first ionization energy follow, going down the periodic table? O A. The first ionization energy increases because there are more electrons in the atom. O B.

In the compound k[co (c2o4) 2 (h2o) 2] (where c2o42 - = oxalate) the oxidation number and coordination number of cobalt are, respectively

What is the oxidation number for S and the compound SO3

An industrial chemist studying bleaching and sterilizing prepares a hypochlorite buffer using 0.350 M HClO and 0.350 M NaClO. (Ka for HClO = 2.9 * 10-8) Find the pH of 1.00 L of the solution after 0.030 mol of NaOH has been added.

3) _C2H4O2 + _ 02 → _ CO2 + _ H2O

Choose the Brønsted-Lowry acids and bases in the following equation: HCN + OH=H2O + CNC A) acids HCN, CNº bases OH, H20 B) acids CN, OH bases HCN, H2O C) acids HCN, H20 bases OH", CN D) acids OH", H20 bases CN", HCN E) acids HCN, OH bases H20, CN

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Is moss a decomposer?