Which chart comes closest to the relationship between kinetic energy and potential energy at point 6?

When balancing a chemical equation:

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?