Avoltaic cell spontaneously converts chemical energy to
(1) electrical energy (3) mechanical energy
(2) geothermal energy (4) nuclear energy

Which statement accurately represents the arrangement of electrons in bohr’s atomic model?

Which of the following describes the entropy change as a solution is made from a liquid and solid

Which one of the following is an oxidation-reduction reaction? naoh + hno3 --> h2o + kno3 naoh + hno3 --> h2o + kno3 so3 + h2o --> h2so4 cacl2 + na2co3 --> caco3 + 2 nacl ch4 + 2 o2 --> co2 + 2 h2o al2(so4)3 + 6 koh --> 2 al(oh)3 + 3 k2so4