Explanation:
1 ) Temperature of Venus in Kelvins = 757 Kelvins

Temperature of Venus in degrees Celsius =
2 ) Temperature on Mercury at night = 


Temperature on Mercury at night in degree Celsius = 167.22° C
Answer:
2C2H6 + 7O2 → 4CO2 + 6H2O
or
2 C2H6O2 + 5 O2 = 4 CO2 + 6 H2O
Answer:
The equation is already balanced. There's an equal number of materials on each side of the equation.