If a penny is 19.5 mm in diameter, how many pennies are needed to stretch from the earth to the sun? It takes 8.00 minutes and 30.0 seconds for light to travel from the sun to the earth at a speed of 186,282 miles per second.
How many grams of Cu and what volume of O2 gas will be obtained if 18.4 ampere electric current is passed through the electrolytic cell of CuSO4for 1 hour and 42 minutes between graphite electrodes at 208 K temperature and 1 bar pressure?
(Cu=63.5u O=16u) How to calculate?