HELP W THIS CLASSWORK! CHEMISTRY!

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon

40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume