The point on a phase diagram where the solid state, the liquid state, and the gas vapor state can coexist is a) the triple point b) the pressure point c) the critical point d) the absolute zero point

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 ?

Uranium can supply energy for the worlds electricity without admitting harmful greenhouse gases which of these statements best describes an outcome of uranium mining

50 points! need answer asap. what type of organic compound contains the following functional group? (2 points)