Modeling nuclear changes Please do it or post a picture or send it to my insta obey_pheonix please.

Which mathematical relationship should you us to convert moles of a substance into grams

Two friends at different locations want to communicate with each other by sending low energy signals. which of the following methods can they use to communicate? a) produce x-rays using colliding electrons and send them to radios, which capture sound b) send messages using infrared radiation, which travel in the form of waves c) send radio waves through intervening media like radio and television d) produce sound waves using microwaves from heated objects

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.