-2. This is because it is gaining electrons. Electrons are negative. Therefore it is a negative charge.
Answer:
a physical change
Explanation:
after the water turns to ice, it will melt and became water again making which means it's reversible this being. a physical change
Answer:
what is the action and reaction ?
Explanation:
6.022*10^23 atoms/mole of reactant
(this is chemistry not physics)
Answer:
Explanation:
Let the resistance of resistor be R .
Power of resistor V² / R , where V is potential applied .
V² / R = 100
120² / R = 100
R = 120² / 100
= 144 ohm .
Now potential diff applied = 220 V
current = potential diff / resistance
= 220 / 144
= 1.53 A approx .
