QUESTÃO 1 - A equação que representa corretamente a combustão total do eteno, C2H4, é * A) C2H4 + O2 = 2 CO2 + 2 H2O B) C2H4 = 2 CO2 + 2 H2O C) C2H4 + 2 O2 = 2 CO2 + 2 H2O D) C2H4 + 3 O2 = 2 CO2 + 2 H2O E) C2H4 + 4 O2 = 2 CO2 + 4 H2O

Which would freeze at a higher temperature: the great salt lake or lake tahoe? a. lake tahoe would freeze at a higher temperature. b. the great salt lake would freeze at a higher temperature. c. both lakes would freeze at the same temperature.