What is the mole ratio between AgNO3 and Ag2SO4 in the following reaction?
AgNO3 (ag) + Li2SO4 (ag) → Ag2SO4 (s) + LINO3 (ag)
Give your answer as a ratio of AgNO3:Ag2SO4, (i. e. 4:7)

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

Which statement best describes what happens when molecular compounds melt

Isopropyl alcohol, (ch3)2choh, is a common solvent. determine the percent by mass of hydrogen in isopropyl alcohol. a) 6.71% h b) 13.4% h c) 25.0% h d) 53.3% h