Ascientist combines oxygen and iron in a 1: 1 ratio, the result is iron (ii) oxide, feo. how does this support the law of definite proportions?

two compounds can be made from iron and oxygen. the first compound, these two elements are found to be in a 1: 1 ratio, whereas the second compound there is two iron atoms for every three oxygen atoms. how does this support the law of multiple proportions?

Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.

Which of these features are formed when hot groundwater is forced out through cracks in the earth's surface?

Find the missing probability in the table below a.0.10 b.40 c.0.80 d. 0.20