An exothermic reaction . 1. releases oxygen
2. absorbs light
3. releases heat
4.absorbs heat

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?

Chemistry worksheet - i am not sure what they are asking for exactly?

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