2. Balance the following equations: [14m] (a) 2 NO2(g) + _H2O() + O2(g) → HNO3(aq)
+
H2O(B)
(b) __C2H6(g) + O2(g) → _ CO2(8)
(c) _N2() + - H2(g) → __ NH3(8)
(d) __Na(s) +
Na(s) + _ 02(g) → __ Na2O(s)
(e) _Fe(s) +
Fe(s) + H2O(g) → _Fe3O4(s) +
H215)

2points what is the job of a scientist? a. to answer ethical questions. b. to write laws based on his or her knowledge. c. to ask and answer scientific questions. d. to ignore facts that do not support his or her theory.

What are the major types of a chemical compound

The table lists the lattice energies of some compounds.compoundlattice energy (kj/mol)lif            –1,036licl            –853naf            –923kf            –821nacl            –786which statement about crystal lattice energy is  best  supported by the information in the table? the lattice energy increases as cations get smaller, as shown by lif and kf.the lattice energy increases as the cations get larger, as shown by lif and licl.the lattice energy decreases as cations get smaller, as shown by nacl and naf.the lattice energy decreases as the cations get smaller, as shown by naf and kf.