Calculate the enthalpy of combustion of butane for the formation of H2O and CO2. The enthalpy of formation of butane is -126 KJ/mol

Consider the balanced equation below. n2h4 + 2h2o2 n2 + 4h2o what are the mole ratios of hydrazine (n2h4) to hydrogen peroxide (h2o2) and hydrazine to water? 1: 2 and 1: 4 1: 3 and 1: 4 1: 2 and 3: 5 1: 3 and 3: 5

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table