How many moles are equal to 13.2 L of NFCI3 gas at STP? Need the equation

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

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid

Which suspect most likely committed the robbery and how do you know