If a student requires 6.5 hours to read a 350 page novel, determine the time he would need to read a 500 page novel

Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct

Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.