A mixture of hydrocarbons contains 36.0% hexane, C6H14, 13.4% octane, C8H18, and 50.6% heptane, C7H16. The mixture is combusted in an excess of oxygen. What mass of CO2 is generated from the combustion of 11.0 kg of the mixture?
mass of CO2:

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.

How many moles are in 123.0 grams of kclo4?