Physical
When something is cooling it isn’t changing it’s chemical composition so it’s physical
The Malcontents' major complaints were that the Trustees had placed too many limitations on the ownership of land, the right to make and to buy alcohol, and the right to own slaves.
FeBr3(aq) + NaOH(aq) = FeOH(s) + NaBr3(aq)
Answer:
Ratio is 1:1 ; they have same number of molecules.
Explanation:
One mole of any compound have same number of molecules, irrespective of their chemistry and composition, i.e. 6.022x10^23 . This number is known as Avogadro's Number.
So the beaker with one mole of water contains = 6.022x10^23 molecules ;
and beaker with one mole of Hydrogen chloride = 6.022x10^23 molecules.
The comparative ratio is 1:1.
Explanation:
non zeores digits always significant any zero between two significant digits are significant a final zeros in the decimal portion only are significant