Una piedra caliza tiene una pureza en CaCO3 del 88%. ¿Cuántos gramos de cal viva (CaO) se obtendrán por descomposición térmica de 150 g de la misma? CaCO3 s→CaOs+CO2 (g)

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false

Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory

27 drag each label to the correct location on the image. a particular exosolar system has five planets in total: a, b, c, d, and e. the table lists the orbital periods of these planets in days. planet orbital period (days) a 600 b 80 c 1,000 d 500 e 100 move each planet to its orbit in the system.