A hot air balloon has a volume of 960L at 291 K. To what temperature (in °C) must it be heated to raise its volume to 1200L, assuming the pressure remains constant?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

How have the greenhouse gasses increased from the year 2000 to 2018

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom