обчисліть масу цукру та води необхідні для приготування 500 г розчину з масовою часткою розчиненої речовини 40 %

Why are people not able to skip a dive to the deepest part of the ocean

What is the percentage of hydrogen in c2h4

In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation: