Un compuesto está formado por un 80% de carbono (C) y un 20% de hidrógeno. (masas atómicas; C=12; H=1). La fórmula empírica de este compuesto será

Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?