how old is a piece of cotton cloth if the half-life and the carbon-14 composition of the 22 percent that living plants

The ph of carrots are 5.0 how it is classified a.acidic b.basic c.indicator d.neutral

How can one make a supersaturated solution? (apex)

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: