How many joules of heat energy would be needed to raise the temperature of 248 grams of water from 25.0 degrees celsius to 55.0 degrees celsius? the specific heat capacity of liquid water is 4.18j/(c x g)

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