Discover Questions

6g of Mg in 16g of O2 are burnt. Calculate mass of MgO formed.? Help me to solve the following question!
Find integers x and y such that 57x+79y=17, and 400 ~ x + y + z = 3, x² + y² + z² = 5, x³ + y³ + z³ = 7 ➪ x⁴ + y⁴ + z⁴ = ? What town is this prefix number for 869 ? I'm trying to find a compound that contains an alkaline earth metal and a polytomic ion and then finding its molar mass.?