Scenario A - At noon, a female body was found in a room with a temperature of 71°F. The body was dry, and no breeze flowed in the room. The body was clothed in pants and a light but long-sleeve shirt. The body weighed 144 lbs., and its core temperature was 90°F. Rigor mortis was absent, and livor mortis is visible. 1. What is your best estimate of the time of death? Explain your rationale in at least a couple of sentences.

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

Initially, the balloon had 3.0 liters of gas at a pressure of 400 kpa and was at a temperature of 294 k. if the balloon is cooled to 277 k and its volume decreased to 1 l, what will the new pressure in the balloon be?

What is the molar mass of potassium nitrate, kno3