Qué volumen de agua en mililitros se debe agregar a 7,5g de HCl a una beaker si se desea obtener una concentración molar de 1,3 n/L HCl

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)