Answer:
450 it's 450 cuz 250 + 200 = 450
Answer:
1 kPa = 760/101.325 = 7.5 mmHg; atm = atmosphere; kPa = kilo Pascal; mmHg = millimetres of mercury.
Answer:
atom is the smallest unit of matter that has the characteristic properties of a chemical element.
To balance a chemical equation it should be remembered that the number of atoms of an element should be equal in the reactants and the products side. The balanced chemical equation would be written as follows:
<span>2H3PO4(aq) + 3Sr(OH)2(aq) ---------> 6H2O(l) + Sr3PO4(aq)
Hope this answers the question. Have a nice day.</span>