How would you describe the following chemical reaction? 2CO(g)+O2(g) --> 2CO2(g) + energy

(a)exothermic
(b) endothermic

How do you lengthen a pattern piece? (family and consumer science, sewing)

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

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.