3 Al+ 3 NH4ClO4 --- Al2O3+AlCl3+3NO+6 H2O
The deflection of alpha particles in Rutherford's experiment proved THE ADDITION OF A SMALL, DENSE NUCLEUS TO THE CENTRE OF THE ATOM.
The answer to your question is electron
Nuclear energy is formed by the splitting of a heavy atom into lighter atom the result of which is the release of energy in the process – this energy is the nuclear energy that binds the nucleons together. With many atoms in a single fuel rod, the energy amounts to millions and billions of orders of magnitude. This energy is released and used to heat water that turns to steam and used to move turbine generators that produce electricity.
Answer:
Mass of Cr= 78 g
Explanation:
<em>Given data:</em>
Specific heat of Cr = 0.448 j/g.°C
Initial temperature of Cr lump = 89.5°C
Mass of water = 75.2 mL or 75.2 g
Initial temperature of water = 20.5°C
Final temperature of water = 27.4°C
Mass of Cr = ?
Solution:
when we placed the lump of Cr metal into water heat lost by limp is equal to the heat gain by water.
Specific heat capacity of water is 4.184 j/g.°C
Q = mcΔT
Q = 75.2 g× 4.184 j/g.°C × (27.4°C - 20.5°C)
Q = 2171 J
Heat lost by Cr lump is -2171 J. Now we will calculate the mass of Cr.
Q = mcΔT
-2171 J = m ×0.448 j/g.°C × ( 27.4°C- 89.5°C)
-2171 J = m × -27.821 j/g
m = -2171 J/-27.821 j/g
m = 78 g