To the solid remaining in (i) after heating, excess dilute HNO, is added. This mixture is boiled, then filtered and the filtrate divided into two equal portions. Can someone please tell me the observation and inference for this^^​

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

Jose and eric were given four samples in lab. the results of their analysis are shown in the table. based on the data they collected, which sample is most likely a metal?

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: