A student places a strip of magnesium metal in a test tube containing hydrochloric acid. When the metal strip comes in contact with the acid, bubbles begin to form. The student holds a lit wooden splint over the mouth of the test tube. The flame ignites the gas exiting the test tube and produces a single high-pitched sound. What can the student determine from this burning splint test?

state the principle of separating two immiscible liquids by separating funnel. describe an activity with diagram to separate a mixture of water and kerosene oil. answer: immiscible layers separate out in layers depending on their densities in separating funne

catya your not at all which answer i've seen you do this on another question!

a). in this case, dh> 0 and sd> 0. if t becomes larger, the term "-tds" will become more negative. at some point, it is possible that -dts will be more negative than the dh is positive, and the reaction will become spontaneous. this is probably the correct answer, but you should look at all of the other possibilities and make sure of that.