What type of energy do ethanol propane and butane all have? Which one gives off the most thermal energy as it burns what variable needs to be kept unchanged to make sure this comparison is fair? 100 POINTS AND BRAINLIEST FOR PERSON WHO ANSWERS FIRST! ASAP

Explanation for basic character?

Indicate whether the specified alkyl halides will form primarily substitution products, only elimination products, both substitution and elimination products, or no products when they react with sodium methoxide. 1-bromobutane 1-bromo-2-methylpropane 2-bromobutane 2-bromo-2-methylpropane

Why are people not able to skip a dive to the deepest part of the ocean