Convert 50 m to mm
using the method of dimensional analysis

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

Write the complete balanced equation for the reaction between lead (iv) oxide (pbo2) and water (h2o).

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-