A sample of a compound of iron is analysed. the sample contains 0.547g of potassium, 0.195g of iron, 0.252g of carbon and 0.294g nitrogen

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

Draw metallic bonding if two copper

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?