¿Cuántos gramos de helio (4.003 g/mol) hay en un globo que contiene 8.50 L del gas a una temperatura de 20 °C y a una presión de 800 torr? (8
puntos; 1 punto datos, 1 punto fórmula, 4 puntos procedimiento, 1 punto
resultado, 1 punto unidades) *

Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.

Why is carbon ideal for making different compounds?

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)