Find the resistance of a wire of length 0.65m, 0.2mm and resistivity 3X10^-6 ohm metre.​

Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.

If 2 moles of co_2 at 2l and 500k are expanded reversibly to 20l, more work can be obtained from an adiabatic process than from an isothermal process. is the above statement true or false?

How many atoms of nitrogen are in the chemical formula ni(w on