к 64,8 г сплава магния и меди добавили избыток соляной кислоты при этом выделилось 6,72 л газа. Определите химичекое количиство меди, которое приходиться на 1 моль магния в сплаве

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)

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .

What is the body’s main processing system? it uses input from various parts to control voluntary and involutiontary movement. it’s composed of two main parts-the brain and spinal cord. a. nbs b. cns c. ans d. pns