Balance the following equation
K+ h20= KOH+ H2

Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

Acar travels in reverse. it covers 150 meters in 12 seconds what is the velocity of the car what is the speed of the car