What type of bond is this combination likely to form?

Iron (3) oxide will decompose in the presence of hydrogen gas and heater to produced iron and digydrogen monoxide white a balanced chemical equation

The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n

The volume of an unknown substance in a sealed glass jar is 50 milliliters. the volume of the jar is 200 milliliters. which state of matter could the substance be?