Answer:
Fe is just the shortened version of Iron whereas Fe2+ is a positive ion,cation to be more specific
a) the kinetic energy decreases as in a gas, the particles are widespread and move freely but in a liquid, their movement is more limited
Answer:
120 V usually but its not given in the option so 110 V
The properties of nonmetals- nonductile(cannot be turned into wire), dull color, high solubility, poor conductors, brittle(difficult to break) and have a wide range of colors. Compared to the properties of a metal- polished color, conducters of heat and electricity, cannot be dissolved, malleable(can bend). Would you like me to use certain elements to show this?
Because copper sulphate is not an ionic substance, no bonds are changed when it is dissolved. Thus it has to be a physical change