There are 20n nutrons in the atom k-42.
A neutron has neither a negative or positive charge, it’s neutral
Answer:
Calcium chloride react with silver nitrate to produce calcium nitrate and silver(I) chloride.
The balanced equation for reaction of chlorine gas with fluorine gas is written as follows
Cl2(g) + 3 F2(g) = 2ClF3(g)
chlorine react with flourine to form CIF3 . The phases of reactant and product is the gas phase
When heat energy is supplied to a material it can raise the temperature of mass of the material.
Specific heat is the amount of energy required by 1 g of material to raise the temperature by 1 °C.
equation is
H = mcΔt
H - heat energy
m - mass of material
c - specific heat of the material
Δt - change in temperature
substituting the values in the equation
120 J = 10 g x c x 5 °C
c = 2.4 Jg⁻¹°C⁻¹