An LP gas tank in a home barbecue contains 11.8 x 10^3 g of propane(C3H8). Calculate the heat (in kJ) associated with the complete combustion of all of the propane in the tank.

What are transitions between a liquid and gas called? identify which way they are transitioning

From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor

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 ?