Which of the following is an example of a decomposition reaction? A. Zn + 2HCl → ZnCl2 + H2
B. CaCl2 + Na2CO3 → CaCO3 + 2Naci
C. 2NaCl → 2Na+ Cl2
D. H2 + Cl2 + 2HCI

Bohr's model could only explain the spectra of which type of atoms? single atoms with one electron single atoms with more than one electron bonded atoms with one electron bonded atoms with more than one electron

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?