Which of the following statements describes a physical property?
the substance has a higher density than water.

a. the substance forms a solid when reacted with silver nitrate.

b. the substance is highly reactive.

c. the substance produces an acid when dissolved in water.

What neutral atom is isoelectronic to mn+4

Explain what happens at the saturation point when adding salt to water at room temperature.

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: