When a 215 g sample of aluminum (Al) absorbs 8610 J of energy, its temperature increases from 35∘C to 115∘C. Find the specific heat of aluminum.

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:

The volume of an unknown substance in a sealed glass jar is 50 milliliters. the volume of the jar is 200 milliliters. which state of matter could the substance be?

The independent variable in an experiment will be the variable that you o a) change ob) hold constant ng c) observe for changes