<span>SNO2 is reduced, C is oxidised</span>
I believe that what is meant here to be particle unit is
the elementary charge of the compound SO4^2-. In this case, the whole compound
is raised to the power of 2-, therefore the elementary charge is 2-, this is
the total electrons that the compound is carrying or sharing. These 2 electrons
are being shared with 2 hydrogen atoms to form H2SO4.
Answer:
<span>2-</span>
One molecule is made up of two or more atoms bonded together.
A component that many space agencies use is liquid hydrogen, which can be abbreviated as LH2.
And another fuel very used in rockets is kerosene which is a hydrocarbons mixture of other compounds that fuel.
Q=mc(delta T)
= (100 g)(1 cal/g(K))(60-40)
=100(20)
=2000 calories
letter C